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added parts of Keepassdroid for loading a kdb file.

Browse Source 
Merged PwDatabase+PwDatabaseV3 (PwGroup, PwEntry likewise) to simplify creation of bindings to Mono for Android
This commit is contained in:
Philipp Crocoll 2014-01-25 19:36:22 -08:00
parent 926e74d95a
commit ee4d40eb32
294 changed files with 42308 additions and 19 deletions
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48
src/KP2AKdbLibraryBinding/Additions/AboutAdditions.txt Normal file
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@ -0,0 +1,48 @@
Additions allow you to add arbitrary C# to the generated classes
before they are compiled. This can be helpful for providing convenience
methods or adding pure C# classes.
== Adding Methods to Generated Classes ==
Let's say the library being bound has a Rectangle class with a constructor
that takes an x and y position, and a width and length size. It will look like
this:
public partial class Rectangle
{
public Rectangle (int x, int y, int width, int height)
{
// JNI bindings
}
}
Imagine we want to add a constructor to this class that takes a Point and
Size structure instead of 4 ints. We can add a new file called Rectangle.cs
with a partial class containing our new method:
public partial class Rectangle
{
public Rectangle (Point location, Size size) :
this (location.X, location.Y, size.Width, size.Height)
{
}
}
At compile time, the additions class will be added to the generated class
and the final assembly will a Rectangle class with both constructors.
== Adding C# Classes ==
Another thing that can be done is adding fully C# managed classes to the
generated library. In the above example, let's assume that there isn't a
Point class available in Java or our library. The one we create doesn't need
to interact with Java, so we'll create it like a normal class in C#.
By adding a Point.cs file with this class, it will end up in the binding library:
public class Point
{
public int X { get; set; }
public int Y { get; set; }
}

24
src/KP2AKdbLibraryBinding/Jars/AboutJars.txt Normal file
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@ -0,0 +1,24 @@
This directory is for Android .jars.
There are 2 types of jars that are supported:
== Input Jar ==
This is the jar that bindings should be generated for.
For example, if you were binding the Google Maps library, this would
be Google's "maps.jar".
Set the build action for these jars in the properties page to "InputJar".
== Reference Jars ==
These are jars that are referenced by the input jar. C# bindings will
not be created for these jars. These jars will be used to resolve
types used by the input jar.
NOTE: Do not add "android.jar" as a reference jar. It will be added automatically
based on the Target Framework selected.
Set the build action for these jars in the properties page to "ReferenceJar".

69
src/KP2AKdbLibraryBinding/KP2AKdbLibraryBinding.csproj Normal file
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@ -0,0 +1,69 @@
<?xml version="1.0" encoding="utf-8"?>
<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
<ProductVersion>8.0.30703</ProductVersion>
<SchemaVersion>2.0</SchemaVersion>
<ProjectGuid>{70D3844A-D9FA-4A64-B205-A84C6A822196}</ProjectGuid>
<ProjectTypeGuids>{10368E6C-D01B-4462-8E8B-01FC667A7035};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
<OutputType>Library</OutputType>
<AppDesignerFolder>Properties</AppDesignerFolder>
<RootNamespace>KP2AKdbLibraryBinding</RootNamespace>
<AssemblyName>KP2AKdbLibraryBinding</AssemblyName>
<FileAlignment>512</FileAlignment>
<TargetFrameworkVersion>v2.2</TargetFrameworkVersion>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<DebugSymbols>true</DebugSymbols>
<DebugType>full</DebugType>
<Optimize>false</Optimize>
<OutputPath>bin\Debug\</OutputPath>
<DefineConstants>DEBUG;TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
<DebugType>pdbonly</DebugType>
<Optimize>true</Optimize>
<OutputPath>bin\Release\</OutputPath>
<DefineConstants>TRACE</DefineConstants>
<ErrorReport>prompt</ErrorReport>
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="Mono.Android" />
<Reference Include="System" />
<Reference Include="System.Core" />
</ItemGroup>
<ItemGroup>
<Compile Include="Properties\AssemblyInfo.cs" />
</ItemGroup>
<ItemGroup>
<None Include="Jars\AboutJars.txt" />
<None Include="Additions\AboutAdditions.txt" />
<None Include="libs\armeabi-v7a\libfinal-key.so" />
<None Include="libs\armeabi\libfinal-key.so" />
<None Include="libs\mips\libfinal-key.so" />
</ItemGroup>
<ItemGroup>
<TransformFile Include="Transforms\Metadata.xml">
<SubType>Designer</SubType>
</TransformFile>
<TransformFile Include="Transforms\EnumFields.xml" />
<TransformFile Include="Transforms\EnumMethods.xml" />
</ItemGroup>
<ItemGroup>
<EmbeddedJar Include="..\java\KP2AKdbLibrary\bin\kp2akdblibrary.jar">
<Link>Jars\kp2akdblibrary.jar</Link>
</EmbeddedJar>
</ItemGroup>
<Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.Bindings.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
<Target Name="BeforeBuild">
</Target>
<Target Name="AfterBuild">
</Target>
-->
</Project>

34
src/KP2AKdbLibraryBinding/Properties/AssemblyInfo.cs Normal file
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@ -0,0 +1,34 @@
using System.Reflection;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Android.App;
// General Information about an assembly is controlled through the following
// set of attributes. Change these attribute values to modify the information
// associated with an assembly.
[assembly: AssemblyTitle("KP2AKdbLibraryBinding")]
[assembly: AssemblyDescription("")]
[assembly: AssemblyConfiguration("")]
[assembly: AssemblyCompany("")]
[assembly: AssemblyProduct("KP2AKdbLibraryBinding")]
[assembly: AssemblyCopyright("Copyright © 2014")]
[assembly: AssemblyTrademark("")]
[assembly: AssemblyCulture("")]
[assembly: ComVisible(false)]
// Version information for an assembly consists of the following four values:
//
// Major Version
// Minor Version
// Build Number
// Revision
//
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion("1.0.0.0")]
[assembly: AssemblyFileVersion("1.0.0.0")]
// Add some common permissions, these can be removed if not needed
[assembly: UsesPermission(Android.Manifest.Permission.Internet)]
[assembly: UsesPermission(Android.Manifest.Permission.WriteExternalStorage)]

14
src/KP2AKdbLibraryBinding/Transforms/EnumFields.xml Normal file
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@ -0,0 +1,14 @@
<enum-field-mappings>
<!--
This example converts the constants Fragment_id, Fragment_name,
and Fragment_tag from android.support.v4.app.FragmentActivity.FragmentTag
to an enum called Android.Support.V4.App.FragmentTagType with values
Id, Name, and Tag.
<mapping jni-class="android/support/v4/app/FragmentActivity$FragmentTag" clr-enum-type="Android.Support.V4.App.FragmentTagType">
<field jni-name="Fragment_name" clr-name="Name" value="0" />
<field jni-name="Fragment_id" clr-name="Id" value="1" />
<field jni-name="Fragment_tag" clr-name="Tag" value="2" />
</mapping>
-->
</enum-field-mappings>

13
src/KP2AKdbLibraryBinding/Transforms/EnumMethods.xml Normal file
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@ -0,0 +1,13 @@
<enum-method-mappings>
<!--
This example changes the Java method:
android.support.v4.app.Fragment.SavedState.writeToParcel (int flags)
to be:
android.support.v4.app.Fragment.SavedState.writeToParcel (Android.OS.ParcelableWriteFlags flags)
when bound in C#.
<mapping jni-class="android/support/v4/app/Fragment.SavedState">
<method jni-name="writeToParcel" parameter="flags" clr-enum-type="Android.OS.ParcelableWriteFlags" />
</mapping>
-->
</enum-method-mappings>

32
src/KP2AKdbLibraryBinding/Transforms/Metadata.xml Normal file
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@ -0,0 +1,32 @@
<metadata>
<!--
This sample removes the class: android.support.v4.content.AsyncTaskLoader.LoadTask:
<remove-node path="/api/package[@name='android.support.v4.content']/class[@name='AsyncTaskLoader.LoadTask']" />
This sample removes the method: android.support.v4.content.CursorLoader.loadInBackground:
<remove-node path="/api/package[@name='android.support.v4.content']/class[@name='CursorLoader']/method[@name='loadInBackground']" />
-->
<remove-node path="/api/package[@name='org.apache.commons.collections']" />
<remove-node path="/api/package[@name='org.apache.commons.collections.iterators']" />
<remove-node path="/api/package[@name='org.apache.commons.collections.keyvalue']" />
<remove-node path="/api/package[@name='org.apache.commons.collections.map']" />
<remove-node path="/api/package[@name='org.bouncycastle.asn1']" />
<remove-node path="/api/package[@name='org.bouncycastle.asn1.oiw']" />
<remove-node path="/api/package[@name='org.bouncycastle.asn1.pkcs']" />
<remove-node path="/api/package[@name='org.bouncycastle.asn1.util']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.digests']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.engines']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.generators']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.macs']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.modes']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.paddings']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.params']" />
<remove-node path="/api/package[@name='org.bouncycastle.crypto.util']" />
<remove-node path="/api/package[@name='org.bouncycastle.jce.interfaces']" />
<remove-node path="/api/package[@name='org.bouncycastle.jce.provider']" />
<remove-node path="/api/package[@name='org.bouncycastle.util']" />
<remove-node path="/api/package[@name='org.bouncycastle.util.encoders']" />
<remove-node path="/api/package[@name='org.bouncycastle.util.io']" />
</metadata>

BIN
src/KP2AKdbLibraryBinding/libs/armeabi-v7a/libfinal-key.so Normal file
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src/KP2AKdbLibraryBinding/libs/armeabi/libfinal-key.so Normal file
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BIN
src/KP2AKdbLibraryBinding/libs/mips/libfinal-key.so Normal file
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28
src/KeePass.sln
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@ -23,6 +23,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AppCompatV7Binding", "AppCo
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AndroidFileChooserBinding", "AndroidFileChooserBinding\AndroidFileChooserBinding.csproj", "{3C0F7FE5-639F-4422-A087-8B26CF862D1B}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "KP2AKdbLibraryBinding", "KP2AKdbLibraryBinding\KP2AKdbLibraryBinding.csproj", "{70D3844A-D9FA-4A64-B205-A84C6A822196}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -160,12 +162,12 @@ Global
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.Release|Mixed Platforms.Build.0 = Release|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.Release|Win32.ActiveCfg = Release|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.Release|x64.ActiveCfg = Release|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Any CPU.ActiveCfg = Release|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Any CPU.Build.0 = Release|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Any CPU.ActiveCfg = ReleaseNoNet|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Any CPU.Build.0 = ReleaseNoNet|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Mixed Platforms.ActiveCfg = ReleaseNoNet|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Mixed Platforms.Build.0 = ReleaseNoNet|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Win32.ActiveCfg = Release|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|x64.ActiveCfg = Release|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|Win32.ActiveCfg = ReleaseNoNet|Any CPU
{A5F8FB02-00E0-4335-91EF-AEAA2C2F3C48}.ReleaseNoNet|x64.ActiveCfg = ReleaseNoNet|Any CPU
{46B769B8-2C58-4138-9CC0-70E3AE3C9A3A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{46B769B8-2C58-4138-9CC0-70E3AE3C9A3A}.Debug|Any CPU.Build.0 = Debug|Any CPU
{46B769B8-2C58-4138-9CC0-70E3AE3C9A3A}.Debug|Any CPU.Deploy.0 = Debug|Any CPU
@ -262,6 +264,24 @@ Global
{3C0F7FE5-639F-4422-A087-8B26CF862D1B}.ReleaseNoNet|Mixed Platforms.Build.0 = ReleaseNoNet|Any CPU
{3C0F7FE5-639F-4422-A087-8B26CF862D1B}.ReleaseNoNet|Win32.ActiveCfg = Release|Any CPU
{3C0F7FE5-639F-4422-A087-8B26CF862D1B}.ReleaseNoNet|x64.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Debug|Any CPU.Build.0 = Debug|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Debug|Mixed Platforms.ActiveCfg = Debug|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Debug|Mixed Platforms.Build.0 = Debug|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Debug|Win32.ActiveCfg = Debug|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Debug|x64.ActiveCfg = Debug|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Release|Any CPU.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Release|Any CPU.Build.0 = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Release|Mixed Platforms.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Release|Mixed Platforms.Build.0 = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Release|Win32.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.Release|x64.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.ReleaseNoNet|Any CPU.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.ReleaseNoNet|Any CPU.Build.0 = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.ReleaseNoNet|Mixed Platforms.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.ReleaseNoNet|Mixed Platforms.Build.0 = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.ReleaseNoNet|Win32.ActiveCfg = Release|Any CPU
{70D3844A-D9FA-4A64-B205-A84C6A822196}.ReleaseNoNet|x64.ActiveCfg = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

22
src/KeePassLib2Android/PwDatabase.cs
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@ -564,22 +564,20 @@ namespace KeePassLib
/// <param name="ioSource">IO connection to load the database from.</param>
/// s<param name="pwKey">Key used to open the specified database.</param>
/// <param name="slLogger">Logger, which gets all status messages.</param>
/// <param name="loader"></param>
public void Open(IOConnectionInfo ioSource, CompositeKey pwKey,
IStatusLogger slLogger)
IStatusLogger slLogger, IDatabaseLoader loader)
{
Open(IOConnection.OpenRead(ioSource), UrlUtil.StripExtension(
UrlUtil.GetFileName(ioSource.Path)), ioSource, pwKey, slLogger );
UrlUtil.GetFileName(ioSource.Path)), ioSource, pwKey, slLogger , loader);
}
/// <summary>
/// Open a database. The URL may point to any supported data source.
/// Open a database provided as Stream.
/// </summary>
/// <param name="ioSource">IO connection to load the database from.</param>
/// <param name="pwKey">Key used to open the specified database.</param>
/// <param name="slLogger">Logger, which gets all status messages.</param>
public void Open(Stream s, string fileNameWithoutPathAndExt, IOConnectionInfo ioSource, CompositeKey pwKey,
IStatusLogger slLogger)
IStatusLogger slLogger, IDatabaseLoader loader)
{
Debug.Assert(s != null);
if (s == null) throw new ArgumentNullException("s");
@ -602,14 +600,10 @@ namespace KeePassLib
m_bModified = false;
KdbxFile kdbx = new KdbxFile(this);
kdbx.DetachBinaries = m_strDetachBins;
loader.PopulateDatabaseFromStream(this, pwKey, s, slLogger);
kdbx.Load(s, KdbpFile.GetFormatToUse(ioSource), slLogger);
s.Close();
m_pbHashOfLastIO = kdbx.HashOfFileOnDisk;
m_pbHashOfFileOnDisk = kdbx.HashOfFileOnDisk;
m_pbHashOfLastIO = loader.HashOfLastStream;
m_pbHashOfFileOnDisk = loader.HashOfLastStream;
Debug.Assert(m_pbHashOfFileOnDisk != null);
m_bDatabaseOpened = true;

9
src/java/KP2AKdbLibrary/.classpath Normal file
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@ -0,0 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.DEPENDENCIES"/>
<classpathentry kind="src" path="src"/>
<classpathentry kind="src" path="gen"/>
<classpathentry kind="output" path="bin/classes"/>
</classpath>

5
src/java/KP2AKdbLibrary/.gitignore vendored Normal file
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@ -0,0 +1,5 @@
build.properties
local.properties
bin
gen
obj

33
src/java/KP2AKdbLibrary/.project Normal file
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@ -0,0 +1,33 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>KP2AKdbLibrary</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>com.android.ide.eclipse.adt.ApkBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

4
src/java/KP2AKdbLibrary/.settings/org.eclipse.jdt.core.prefs Normal file
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@ -0,0 +1,4 @@
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
org.eclipse.jdt.core.compiler.compliance=1.6
org.eclipse.jdt.core.compiler.source=1.6

14
src/java/KP2AKdbLibrary/AndroidManifest.xml Normal file
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@ -0,0 +1,14 @@
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="keepass2android.kp2akeytransform"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="17" />
<application
android:allowBackup="true">
</application>
</manifest>

339
src/java/KP2AKdbLibrary/COPYING.gpl-2.0 Normal file
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@ -0,0 +1,339 @@
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by
the GNU Lesser General Public License instead.) You can apply it to
your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
this service if you wish), that you receive source code or can get it
if you want it, that you can change the software or use pieces of it
in new free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid
anyone to deny you these rights or to ask you to surrender the rights.
These restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must give the recipients all the rights that
you have. You must make sure that they, too, receive or can get the
source code. And you must show them these terms so they know their
rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
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want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
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Finally, any free program is threatened constantly by software
patents. We wish to avoid the danger that redistributors of a free
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program proprietary. To prevent this, we have made it clear that any
patent must be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
GNU GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains
a notice placed by the copyright holder saying it may be distributed
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Activities other than copying, distribution and modification are not
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Whether that is true depends on what the Program does.
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You may charge a fee for the physical act of transferring a copy, and
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above, provided that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any
part thereof, to be licensed as a whole at no charge to all third
parties under the terms of this License.
c) If the modified program normally reads commands interactively
when run, you must cause it, when started running for such
interactive use in the most ordinary way, to print or display an
announcement including an appropriate copyright notice and a
notice that there is no warranty (or else, saying that you provide
a warranty) and that users may redistribute the program under
these conditions, and telling the user how to view a copy of this
License. (Exception: if the Program itself is interactive but
does not normally print such an announcement, your work based on
the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program,
and can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based
on the Program, the distribution of the whole must be on the terms of
this License, whose permissions for other licensees extend to the
entire whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of
a storage or distribution medium does not bring the other work under
the scope of this License.
3. You may copy and distribute the Program (or a work based on it,
under Section 2) in object code or executable form under the terms of
Sections 1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections
1 and 2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three
years, to give any third party, for a charge no more than your
cost of physically performing source distribution, a complete
machine-readable copy of the corresponding source code, to be
distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c) Accompany it with the information you received as to the offer
to distribute corresponding source code. (This alternative is
allowed only for noncommercial distribution and only if you
received the program in object code or executable form with such
an offer, in accord with Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source
code means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to
control compilation and installation of the executable. However, as a
special exception, the source code distributed need not include
anything that is normally distributed (in either source or binary
form) with the major components (compiler, kernel, and so on) of the
operating system on which the executable runs, unless that component
itself accompanies the executable.
If distribution of executable or object code is made by offering
access to copy from a designated place, then offering equivalent
access to copy the source code from the same place counts as
distribution of the source code, even though third parties are not
compelled to copy the source along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense or distribute the Program is
void, and will automatically terminate your rights under this License.
However, parties who have received copies, or rights, from you under
this License will not have their licenses terminated so long as such
parties remain in full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the
Program), you indicate your acceptance of this License to do so, and
all its terms and conditions for copying, distributing or modifying
the Program or works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties to
this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot
distribute so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you
may not distribute the Program at all. For example, if a patent
license would not permit royalty-free redistribution of the Program by
all those who receive copies directly or indirectly through you, then
the only way you could satisfy both it and this License would be to
refrain entirely from distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License.

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---
The KeePass icon was created by Francis Jacquerye and is licensed under the terms of the GPLv2 or GPLv3.
---
Files under src/org/apache/*
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
---
Files under src/org/bouncycaste1x/*:
Copyright (c) 2000 - 2008 The Legion Of The Bouncy Castle
(http://www.bouncycastle.org)
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.
---
Files under src/org/phoneid/*:
KeePass for J2ME
Copyright 2007 Naomaru Itoi <nao@phoneid.org>
This file was derived from
Java clone of KeePass - A KeePass file viewer for Java
Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
---
Files under src/com/android/keepass/* :
Copyright 2009 Brian Pellin <bpellin@gmail.com>.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
---
Files under jni/openssl-0.98l/*:
/* ====================================================================
* Copyright (c) 1998-2008 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
---
Files under biz.source_code.base64Coder
// Copyright 2003-2010 Christian d'Heureuse, Inventec Informatik AG, Zurich, Switzerland
// www.source-code.biz, www.inventec.ch/chdh
//
// This module is multi-licensed and may be used under the terms
// of any of the following licenses:
//
// EPL, Eclipse Public License, http://www.eclipse.org/legal
// LGPL, GNU Lesser General Public License, http://www.gnu.org/licenses/lgpl.html
// AL, Apache License, http://www.apache.org/licenses
// BSD, BSD License, http://www.opensource.org/licenses/bsd-license.php
//
// Please contact the author if you need another license.
// This module is provided "as is", without warranties of any kind.
---
Files ic00.png to ic61.png under res/drawable, res/drawable-hdpi and res/drawable-ldpi
TITLE: NUVOLA ICON THEME for KDE 3.x
AUTHOR: David Vignoni | ICON KING
SITE: http://www.icon-king.com
MAILING LIST: http://mail.icon-king.com/mailman/listinfo/nuvola_icon-king.com
Copyright (c) 2003-2004 David Vignoni.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation,
version 2.1 of the License.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library (see the the license.txt file); if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#######**** NOTE THIS ADD-ON ****#######
The GNU Lesser General Public License or LGPL is written for software libraries
in the first place. The LGPL has to be considered valid for this artwork
library too.
Nuvola icon theme for KDE 3.x is a special kind of software library, it is an
artwork library, it's elements can be used in a Graphical User Interface, or
GUI.
Source code, for this library means:
- raster png image* .
The LGPL in some sections obliges you to make the files carry
notices. With images this is in some cases impossible or hardly usefull.
With this library a notice is placed at a prominent place in the directory
containing the elements. You may follow this practice.
The exception in section 6 of the GNU Lesser General Public License covers
the use of elements of this art library in a GUI.
dave [at] icon-king.com
Date: 15 october 2004
Version: 1.0
DESCRIPTION:
Icon theme for KDE 3.x.
Icons where designed using Adobe Illustrator, and then exported to PNG format.
Icons shadows and minor corrections were done using Adobe Photoshop.
Kiconedit was used to correct some 16x16 and 22x22 icons.
LICENSE
Released under GNU Lesser General Public License (LGPL)
Look at the license.txt file.
CONTACT
David Vignoni
e-mail : david [at] icon-king.com
ICQ : 117761009
http: http://www.icon-king.com
---
Files ic62.png under res/drawable, res/drawable-hdpi and res/drawable-ldpi
Based on http://de.wikipedia.org/w/index.php?title=Datei:Tux.svg&filetimestamp=20090927073505
The copyright holder of this file allows anyone to use it for any purpose,
provided that the copyright holders Larry Ewing, Simon Budig and
Anja Gerwinski are mentioned.
---
Files ic63.png under res/drawable, res/drawable-hdpi and res/drawable-ldpi
Based on http://en.wikipedia.org/wiki/File:ASF-logo.svg
Apache logo
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License. You may
obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0.
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
License for the specific language governing permissions and limitations under
the License.
---
Files ic64.png under res/drawable, res/drawable-hdpi and res/drawable-ldpi
!!! Not included yet !!!
---
Files ic65.png, ic67.png and ic68.png under res/drawable, res/drawable-hdpi and res/drawable-ldpi
Created by Tobias Selig and licensed under the terms of the GPLv2 or GPLv3.
---
File ic66.png under under res/drawable, res/drawable-hdpi and res/drawable-ldpi
Based on http://commons.wikimedia.org/wiki/File:Dollar_symbol_gold.svg
Author: Rugby471
Permission is granted to copy, distribute and/or modify this document under
the terms of the GNU Free Documentation License, Version 1.2 or any later
version published by the Free Software Foundation; with no Invariant Sections,
no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is
included in the section entitled "GNU Free Documentation License".
---
Many files under jni/final_key/ are coverage by the following license:
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.

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Created by extracting parts of Keepassdroid

3
src/java/KP2AKdbLibrary/jni/.gitignore vendored Normal file
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@ -0,0 +1,3 @@
openssl-0.9.8l
aes-src-29-04-09.zip
sha2-07-01-07.zip

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src/java/KP2AKdbLibrary/jni/Android.mk Normal file
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# Recursively sources all Android.mk files in subdirs:
include $(call all-subdir-makefiles)

3
src/java/KP2AKdbLibrary/jni/Application.mk Normal file
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APP_MODULES := aes sha final-key
APP_OPTIM := release
APP_ABI := armeabi armeabi-v7a x86 mips

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src/java/KP2AKdbLibrary/jni/aes/Android.mk Normal file
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@ -0,0 +1,13 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := aes
LOCAL_SRC_FILES := \
aescrypt.c \
aeskey.c \
aes_modes.c \
aestab.c
include $(BUILD_STATIC_LIBRARY)

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src/java/KP2AKdbLibrary/jni/aes/aes.h Normal file
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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
This file contains the definitions required to use AES in C. See aesopt.h
for optimisation details.
*/
#ifndef _AES_H
#define _AES_H
#include <stdlib.h>
/* This include is used to find 8 & 32 bit unsigned integer types */
#include "brg_types.h"
#if defined(__cplusplus)
extern "C"
{
#endif
#define AES_128 /* if a fast 128 bit key scheduler is needed */
#define AES_192 /* if a fast 192 bit key scheduler is needed */
#define AES_256 /* if a fast 256 bit key scheduler is needed */
#define AES_VAR /* if variable key size scheduler is needed */
#define AES_MODES /* if support is needed for modes */
/* The following must also be set in assembler files if being used */
#define AES_ENCRYPT /* if support for encryption is needed */
#define AES_DECRYPT /* if support for decryption is needed */
#define AES_REV_DKS /* define to reverse decryption key schedule */
#define AES_BLOCK_SIZE 16 /* the AES block size in bytes */
#define N_COLS 4 /* the number of columns in the state */
/* The key schedule length is 11, 13 or 15 16-byte blocks for 128, */
/* 192 or 256-bit keys respectively. That is 176, 208 or 240 bytes */
/* or 44, 52 or 60 32-bit words. */
#if defined( AES_VAR ) || defined( AES_256 )
#define KS_LENGTH 60
#elif defined( AES_192 )
#define KS_LENGTH 52
#else
#define KS_LENGTH 44
#endif
#define AES_RETURN INT_RETURN
/* the character array 'inf' in the following structures is used */
/* to hold AES context information. This AES code uses cx->inf.b[0] */
/* to hold the number of rounds multiplied by 16. The other three */
/* elements can be used by code that implements additional modes */
typedef union
{ uint_32t l;
uint_8t b[4];
} aes_inf;
typedef struct
{ uint_32t ks[KS_LENGTH];
aes_inf inf;
} aes_encrypt_ctx;
typedef struct
{ uint_32t ks[KS_LENGTH];
aes_inf inf;
} aes_decrypt_ctx;
/* This routine must be called before first use if non-static */
/* tables are being used */
AES_RETURN aes_init(void);
/* Key lengths in the range 16 <= key_len <= 32 are given in bytes, */
/* those in the range 128 <= key_len <= 256 are given in bits */
#if defined( AES_ENCRYPT )
#if defined( AES_128 ) || defined( AES_VAR)
AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1]);
#endif
#if defined( AES_192 ) || defined( AES_VAR)
AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1]);
#endif
#if defined( AES_256 ) || defined( AES_VAR)
AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1]);
#endif
#if defined( AES_VAR )
AES_RETURN aes_encrypt_key(const unsigned char *key, int key_len, aes_encrypt_ctx cx[1]);
#endif
AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out, const aes_encrypt_ctx cx[1]);
#endif
#if defined( AES_DECRYPT )
#if defined( AES_128 ) || defined( AES_VAR)
AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1]);
#endif
#if defined( AES_192 ) || defined( AES_VAR)
AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1]);
#endif
#if defined( AES_256 ) || defined( AES_VAR)
AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1]);
#endif
#if defined( AES_VAR )
AES_RETURN aes_decrypt_key(const unsigned char *key, int key_len, aes_decrypt_ctx cx[1]);
#endif
AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out, const aes_decrypt_ctx cx[1]);
#endif
#if defined( AES_MODES )
/* Multiple calls to the following subroutines for multiple block */
/* ECB, CBC, CFB, OFB and CTR mode encryption can be used to handle */
/* long messages incremantally provided that the context AND the iv */
/* are preserved between all such calls. For the ECB and CBC modes */
/* each individual call within a series of incremental calls must */
/* process only full blocks (i.e. len must be a multiple of 16) but */
/* the CFB, OFB and CTR mode calls can handle multiple incremental */
/* calls of any length. Each mode is reset when a new AES key is */
/* set but ECB and CBC operations can be reset without setting a */
/* new key by setting a new IV value. To reset CFB, OFB and CTR */
/* without setting the key, aes_mode_reset() must be called and the */
/* IV must be set. NOTE: All these calls update the IV on exit so */
/* this has to be reset if a new operation with the same IV as the */
/* previous one is required (or decryption follows encryption with */
/* the same IV array). */
AES_RETURN aes_test_alignment_detection(unsigned int n);
AES_RETURN aes_ecb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_encrypt_ctx cx[1]);
AES_RETURN aes_ecb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_decrypt_ctx cx[1]);
AES_RETURN aes_cbc_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_encrypt_ctx cx[1]);
AES_RETURN aes_cbc_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_decrypt_ctx cx[1]);
AES_RETURN aes_mode_reset(aes_encrypt_ctx cx[1]);
AES_RETURN aes_cfb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
AES_RETURN aes_cfb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
#define aes_ofb_encrypt aes_ofb_crypt
#define aes_ofb_decrypt aes_ofb_crypt
AES_RETURN aes_ofb_crypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
typedef void cbuf_inc(unsigned char *cbuf);
#define aes_ctr_encrypt aes_ctr_crypt
#define aes_ctr_decrypt aes_ctr_crypt
AES_RETURN aes_ctr_crypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *cbuf, cbuf_inc ctr_inc, aes_encrypt_ctx cx[1]);
#endif
#if defined(__cplusplus)
}
#endif
#endif

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An AES (Rijndael) Implementation in C/C++ (as specified in FIPS-197)
====================================================================
Changes in this Version (16/04/2007)
====================================
These changes remove errors in the VC++ build files and add some
improvements in file naming consitency and portability. There are
no changes to overcome reported bugs in the code.
1. gen_tabs() has been renamed to aes_init() to better decribe its
function to those not familiar with AES internals.
2. via_ace.h has been renamed to aes_via_ace.h.
3. Minor changes have been made to aestab.h and aestab.c to enable
all the code to be compiled in either C or C++.
4. The code for detecting memory alignment in aesmdoes.c has been
simplified and a new routine has been added:
aes_test_alignment_detection()
to check that the aligment test is likely to be correct.
5. The addition of support for Structured Exception Handling (SEH)
to YASM (well done Peter and Michael!) has allowed the AMD64
x64 assembler code to be changed to comply with SEH requriements.
6. Corrections to build files (for win32 debug build).
Overview
========
This code implements AES for both 32 and 64 bit systems with optional
assembler support for x86 and AMD64/EM64T (but optimised for AMD64).
The basic AES source code files are as follows:
aes.h the header file needed to use AES in C
aescpp.h the header file required with to use AES in C++
aesopt.h the header file for setting options (and some common code)
aestab.h the header file for the AES table declaration
aescrypt.c the main C source code file for encryption and decryption
aeskey.c the main C source code file for the key schedule
aestab.c the main file for the AES tables
brg_types.h a header defining some standard types and DLL defines
brg_endian.h a header containing code to detect or define endianness
aes_x86_v1.asm x86 assembler (YASM) alternative to aescrypt.c using
large tables
aes_x86_v2.asm x86 assembler (YASM) alternative to aescrypt.c using
compressed tables
aes_amd64.asm AMD64 assembler (YASM) alternative to aescrypt.c using
compressed tables
In addition AES modes are implemented in the files:
aes_modes.c AES modes with optional support for VIA ACE detection and use
aes_via_ace.h the header file for VIA ACE support
Other associated files for testing and support are:
aesaux.h header for auxilliary routines for testsing
aesaux.c auxilliary routines for testsingt
aestst.h header file for setting the testing environment
rdtsc.h a header file that provides access to the Time Stamp Counter
aestst.c a simple test program for quick tests of the AES code
aesgav.c a program to generate and verify the test vector files
aesrav.c a program to verify output against the test vector files
aestmr.c a program to time the code on x86 systems
modetest.c a program to test the AES modes support
vbxam.doc a demonstration of AES DLL use from Visual Basic in Microsoft Word
vb.txt Visual Basic code from the above example (win32 only)
aesxam.c an example of AES use
tablegen.c a program to generate a simplified 'aestab.c' file for
use with compilers that find aestab.c too complex
yasm.rules the YASM build rules file for Microsoft Visual Studio 2005
via_ace.txt describes support for the VIA ACE cryptography engine
aes.txt this file
Building The AES Libraries
--------------------------
A. Versions
-----------
The code can be used to build static and dynamic libraries, each in five
versions:
C uses C source code only
ASM_X86_V1C large table x86 assembler code for encrypt/decrypt
ASM_X86_V2 compressed table x86 assembler for encrypt/decrypt and keying
ASM_X86_V2C compressed table x86 assembler code for encrypt/decrypt
ASM_AMD64 compressed table x86 assembler code for encrypt/decrypt
The C version can be compiled for Win32 or x64, the x86 assembler versions
are for Win32 only and the AMD64 version for x64 only.
B. Types
--------
The code makes use of types defined as uint_<nn>t where <nn> is the length
of the type, for example, the unsigned 32-bit type is 'uint_32t'. These are
NOT the same as the fixed width integer types in C99, inttypes.h and stdint.h
since several attempts to use these types have shown that support for them is
still highly variable. But a regular expression search and replace in VC++
with search on 'uint_{:z}t' and a replace with 'uint\1_t' will convert these
types to C99 types (there should be similar search/replace facilities on other
systems).
C. YASM
-------
If you wish to use the x86 assembler files you will also need the YASM open
source x86 assembler (r1331 or later) for Windows which can be obtained from:
http://www.tortall.net/projects/yasm/
This assembler should be placed in the bin directory used by VC++, which, for
Visual Stduio 2005, is typically:
C:\Program Files (x86)\Microsoft Visual Studio 8\VC\bin
You will also need to move the yasm.rules file from this distribution into
the directory where Visual Studio 2005 expects to find it, which is typically:
C:\Program Files (x86)\Microsoft Visual Studio 8\VC\VCProjectDefaults
Alternatively you can configure the path for rules files within Visual Studio.
D. Configuration
----------------
The following configurations are available as projects for Visual Studio 2005
but the following descriptions should allow them to be built in other x86
environments:
lib_generic_c Win32 and x64
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aescrypt.c, aeskey.c, aestab.c, aes_modes.c
defines
dll_generic_c Win32 and x64
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aescrypt.c, aeskey.c, aestab.c, aes_modes.c
defines DLL_EXPORT
lib_asm_x86_v1c Win32
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aeskey.c, aestab.c, aes_modes.c
x86 assembler: aes_x86_v1.asm
defines ASM_X86_V1C (set for C and assembler files)
dll_asm_x86_v1c Win32
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aeskey.c, aestab.c, aes_modes.c
x86 assembler: aes_x86_v1.asm
defines DLL_EXPORT, ASM_X86_V1C (set for C and assembler files)
lib_asm_x86_v2c Win32
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aeskey.c, aestab.c, aes_modes.c
x86 assembler: aes_x86_v2.asm
defines ASM_X86_V2C (set for C and assembler files)
dll_asm_x86_v2c Win32
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aeskey.c, aestab.c, aes_modes.c
x86 assembler: aes_x86_v1.asm
defines DLL_EXPORT, ASM_X86_V2C (set for C and assembler files)
lib_asm_x86_v2 Win32
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aes_modes.c
x86 assembler: aes_x86_v1.asm
defines ASM_X86_V2 (set for C and assembler files)
dll_asm_x86_v2 Win32
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aes_modes.c
x86 assembler: aes_x86_v1.asm
defines DLL_EXPORT, ASM_AMD64_C (set for C and assembler files)
lib_asm_amd64_c x64
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aes_modes.c
x86 assembler: aes_amd64.asm
defines ASM_X86_V2 (set for C and assembler files)
dll_asm_amd64_c x64
headers: aes.h, aesopt.h, aestab.h, brg_endian.h, tdefs,h
C source: aes_modes.c
x86 assembler: aes_amd64.asm
defines DLL_EXPORT, ASM_AMD64_C (set for C and assembler files)
Notes:
ASM_X86_V1C is defined if using the version 1 assembler code (aescrypt1.asm).
The defines in the assember file must match those in aes.h and
aesopt.h). Also remember to include/exclude the right assembler
and C files in the build to avoid undefined or multiply defined
symbols - include aescrypt1.asm and exclude aescrypt.c and
aescrypt2.asm.
ASM_X86_V2 is defined if using the version 2 assembler code (aescrypt2.asm).
This version provides a full, self contained assembler version
and does not use any C source code files except for the mutiple
block encryption modes that are provided by aes_modes.c. The define
ASM_X86_V2 must be set on the YASM command line (or in aescrypt2.asm)
to use this version and all C files except aec_modes.c and. for the
DLL build, aestab.c must be excluded from the build.
ASM_X86_V2C is defined when using the version 2 assembler code (aescrypt2.asm)
with faster key scheduling provided by the in C code (the options in
the assember file must match those in aes.h and aesopt.h). In this
case aeskey.c and aestab.c are needed with aescrypt2.asm and the
define ASM_X86_V2C must be set for both the C files and for
asecrypt2.asm command lines (or in aesopt.h and aescrypt2.asm).
Include aescrypt2.asm aeskey.c and aestab.c, exclude aescrypt.c for
this option.
ASM_AMD64_C is defined when using the AMD64 assembly code because the C key
scheduling is sued in this case.
DLL_EXPORT must be defined to generate the DLL version of the code and
to run tests on it
DLL_IMPORT must be defined to use the DLL version of the code in an
application program
Directories the paths for the various directories for test vector input and
output have to be set in aestst.h
VIA ACE see the via_ace.txt for this item
Static The static libraries are named:
Libraries
aes_lib_generic_c.lib
aes_lib_asm_x86_v1c.lib
aes_lib_asm_x86_v2.lib
aes_lib_asm_x86_v2c.lib
aes_lib_asm_amd64_c.lib
and placed in one of the the directories:
lib\win32\release\
lib\win32\debug\
lib\x64\release\
lib\x64\debug\
in the aes root directory depending on the platform(win32 or
x64) and the build (release or debug). After any of these is
built it is then copied into aes.lib, which is the library
that is subsequently used for testing. Hence testing is for
the last static library built.
Dynamic The static libraries are named:
Libraries
aes_lib_generic_c.dll
aes_lib_asm_x86_v1c.dll
aes_lib_asm_x86_v2.dll
aes_lib_asm_x86_v2c.dll
aes_lib_asm_amd64_c.dll
and placed in one of the the directories:
dll\win32\release\
dll\win32\debug\
dll\x64\release\
dll\x64\debug\
in the aes root directory depending on the platform(win32 or
x64) and the build (release or debug). Each DLL library:
aes_<ext>.dll
has three associated files:
aes_dll_<ext>.lib the library file for implicit linking
aes_dll_<ext>.exp the exports file
aes_dll_<ext>.pdb the symbol file
After any DLL is built it and its three related files are then
copied into aes.lib, aes.lib, aes,exp and aes.pdb, which are
the libraries used for testing. Hence testing is for the last
static library or DLL built.
E. Testing
----------
These tests require that the test vector files are placed in the 'testvals'
subdirectory. If the AES Algorithm Validation Suite tests will be use3d then
the *.fax files need to be put in the 'testvals\fax' subdirectory. This is
covered in more detail below.
The projects test_dll and time_dll are used to test and time the last DLL
built. These use the files:
test_dll: Win32 (x64 for the C and AMD64 versions)
headers: aes.h, aescpp.h, brg_types.h, aesaux.h and aestst.h
C source: aesaux.c, aesrav.c
defines: DLL_IMPORT
time_dll: Win32 (x64 for the C and AMD64 versions)
headers: aes.h, aescpp.h, brg_types.h, aesaux.h aestst.h and rdtsc.h
C source: aesaux.c, aestmr.c
defines: DLL_IMPORT
and link to the DLL using explicit linking. However, if the lib file associated
with the DLL is linked into this project and the symbol DYNAMIC_LINK in aestst.h
is left undefined, then implicit linking will be used
The projects test_lib and time_lib are used to test and time the last static LIB
built. They use the files:
test_lib: Win32 (x64 for the C and AMD64 versions)
headers: aes.h, aescpp.h, brg_types.h, aesaux.h and aestst.h
C source: aesaux.c, aesrav.c
defines:
time_lib: Win32 (x64 for the C and AMD64 versions)
headers: aes.h, aescpp.h, brg_types.h, aesaux.h, aestst.h and rdtsc.h
C source: aesaux.c, aestmr.c
defines:
and link to the last static library built.
The above test take command line arguments that determine which test are run
as follows:
test_lib /t:[knec] /k:[468]
test_dll /t:[knec] /k:[468]
where the symbols in square brackets can be used in any combination (without
the brackets) and have the following meanings:
/t:[knec] selects which tests are used
/k:[468] selects the key lengths used
/c compares output with reference (see later)
k: generate ECB Known Answer Test files
n: generate ECB Known Answer Test files (new)
e: generate ECB Monte Carlo Test files
c: generate CBC Monte Carlo Test files
and the characters giving the lengths are digits representing the lengths in
32-bit units.\n\n");
The project test_modes tests the AES modes. It uses the files:
test_modes: Win32 or x64
headers: aes.h, aescpp.h, brg_types.h, aesaux,h and aestst.h
C source: aesaux.c, modetest.c
defines: none for static library test, DLL_IMPORT for DLL test
which again links to the last library built.
F. Other Applications
---------------------
These are:
gen_tests builds the test_vector files. The commad line is
gen_tests /t:knec /k:468 /c
as described earlier
test_aes_avs run the AES Algorithm Validation Suite tests for
ECB, CBC, CFB and OFB modes
gen_tables builds a simple version of aes_tab.c (in aestab2.c)
for compilers that cannot handle the normal version
aes_example provides an example of AES use
These applications are linked to the last static library built or, if
DLL_IMPORT is defined during compilation, to the last DLL built.
G. Use of the VIA ACE Cryptography Engine
-----------------------------------------
The use of the code with the VIA ACE cryptography engine in described in the
file via_ace.txt. In outline aes_modes.c is used and USE_VIA_ACE_IF_PRESENT
is defined either in section 2 of aesopt.h or as a compilation option in Visual
Studio. If in addition ASSUME_VIA_ACE_PRESENT is also defined then all normal
AES code will be removed if not needed to support VIA ACE use. If VIA ACE
support is needed and AES assembler is being used only the ASM_X86_V1C and
ASM_X86_V2C versions should be used since ASM_X86_V2 and ASM_AMD64 do not
support the VIA ACE engine.
H. The AES Test Vector Files
----------------------------
These files fall in the following groups (where <nn> is a two digit
number):
1. ecbvk<nn>.txt ECB vectors with variable key
2. ecbvt<nn>.txt ECB vectors with variable text
3. ecbnk<nn>.txt new ECB vectors with variable key
4. ecbnt<nn>.txt new ECB vectors with variable text
5. ecbme<nn>.txt ECB monte carlo encryption test vectors
6. ecbmd<nn>.txt ECB monte carlo decryption test vectors
7. cbcme<nn>.txt CBC monte carlo encryption test vectors
8. cbcmd<nn>.txt CBC monte carlo decryption test vectors
The first digit of the numeric suffix on the filename gives the block size
in 32 bit units and the second numeric digit gives the key size. For example,
the file ecbvk44.txt provides the test vectors for ECB encryption with a 128
bit block size and a 128 bit key size. The test routines expect to find these
files in the 'testvals' subdirectory within the aes root directory. The
'outvals' subdirectory is used for outputs that are compared with the files
in 'testvals'. Note that the monte carlo test vectors are the result of
applying AES iteratively 10000 times, not just once.
The AES Algorithm Validation Suite tests can be run for ECB, CBC, CFB and
OFB modes (CFB1 and CFB8 are not implemented). The test routine uses the
*.fax test files, which should be placed in the 'testvals\fax' subdirectory.
I. The Basic AES Calling Interface
----------------------------------
The basic AES code keeps its state in a context, there being different
contexts for encryption and decryption:
aes_encrypt_ctx
aes_decrypt_ctx
The AES code is initialised with the call
aes_init(void)
although this is only essential if the option to generate the AES tables at
run-time has been set in the options (i.e.fixed tables are not being used).
The AES encryption key is set by one of the calls:
aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1])
aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1])
aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1])
or by:
aes_encrypt_key(const unsigned char *key, int key_len,
aes_encrypt_ctx cx[1])
where the key length is set by 'key_len', which can be the length in bits
or bytes.
Similarly, the AES decryption key is set by one of:
aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1])
aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1])
aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1])
or by:
aes_decrypt_key(const unsigned char *key, int key_len,
aes_decrypt_ctx cx[1])
Encryption and decryption for a single 16 byte block is then achieved using:
aes_encrypt(const unsigned char *in, unsigned char *out,
const aes_encrypt_ctx cx[1])
aes_decrypt(const unsigned char *in, unsigned char *out,
const aes_decrypt_ctx cx[1])
The above subroutines return a value of EXIT_SUCCESS or EXIT_FAILURE
depending on whether the operation succeeded or failed.
J. The Calling Interface for the AES Modes
------------------------------------------
The subroutines for the AES modes, ECB, CBC, CFB, OFB and CTR, each process
blocks of variable length and can also be called several times to complete
single mode operations incrementally on long messages (or those messages,
not all of which are available at the same time). The calls:
aes_ecb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_encrypt_ctx cx[1])
aes_ecb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_decrypt_ctx cx[1])
for ECB operations and those for CBC:
aes_cbc_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_encrypt_ctx cx[1])
aes_cbc_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_decrypt_ctx cx[1])
can only process blocks whose lengths are multiples of 16 bytes but the calls
for CFB, OFB and CTR mode operations:
aes_cfb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1])
aes_cfb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1])
aes_ofb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1])
aes_ofb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1])
aes_ctr_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *cbuf, cbuf_inc ctr_inc, aes_encrypt_ctx cx[1])
aes_ctr_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *cbuf, cbuf_inc ctr_inc, aes_encrypt_ctx cx[1])
can process blocks of any length. Note also that CFB, OFB and CTR mode calls only
use AES encryption contexts even during decryption operations.
The calls CTR mode operations use a buffer (cbuf) which holds the counter value
together with a function parameter:
void cbuf_inc(unsigned char *cbuf);
that is ued to update the counter value after each 16 byte AES operation. The
counter buffer is updated appropriately to allow for incremental operations.
Please note the following IMPORTANT points about the AES mode subroutines:
1. All modes are reset when a new AES key is set.
2. Incremental calls to the different modes cannot
be mixed. If a change of mode is needed a new
key must be set or a reset must be issued (see
below).
3. For modes with IVs, the IV value is an inpu AND
an ouput since it is updated after each call to
the value needed for any subsequent incremental
call(s). If the mode is reset, the IV hence has
to be set (or reset) as well.
4. ECB operations must be multiples of 16 bytes
but do not need to be reset for new operations.
5. CBC operations must also be multiples of 16
bytes and are reset for a new operation by
setting the IV.
6. CFB, OFB and CTR mode must be reset by setting
a new IV value AND by calling:
aes_mode_reset(aes_encrypt_ctx cx[1])
For CTR mode the cbuf value also has to be reset.
7. CFB, OFB and CTR modes only use AES encryption
operations and contexts and do not need AES
decrytpion operations.
8. AES keys remain valid across resets and changes
of mode (but encryption and decryption keys must
both be set if they are needed).
Brian Gladman 22/07/2008

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; ---------------------------------------------------------------------------
; Copyright (c) 1998-2007, Brian Gladman, Worcester, UK. All rights reserved.
;
; LICENSE TERMS
;
; The free distribution and use of this software is allowed (with or without
; changes) provided that:
;
; 1. source code distributions include the above copyright notice, this
; list of conditions and the following disclaimer;
;
; 2. binary distributions include the above copyright notice, this list
; of conditions and the following disclaimer in their documentation;
;
; 3. the name of the copyright holder is not used to endorse products
; built using this software without specific written permission.
;
; DISCLAIMER
;
; This software is provided 'as is' with no explicit or implied warranties
; in respect of its properties, including, but not limited to, correctness
; and/or fitness for purpose.
; ---------------------------------------------------------------------------
; Issue 20/12/2007
;
; I am grateful to Dag Arne Osvik for many discussions of the techniques that
; can be used to optimise AES assembler code on AMD64/EM64T architectures.
; Some of the techniques used in this implementation are the result of
; suggestions made by him for which I am most grateful.
; An AES implementation for AMD64 processors using the YASM assembler. This
; implemetation provides only encryption, decryption and hence requires key
; scheduling support in C. It uses 8k bytes of tables but its encryption and
; decryption performance is very close to that obtained using large tables.
; It can use either Windows or Gnu/Linux calling conventions, which are as
; follows:
; windows gnu/linux
;
; in_blk rcx rdi
; out_blk rdx rsi
; context (cx) r8 rdx
;
; preserved rsi - + rbx, rbp, rsp, r12, r13, r14 & r15
; registers rdi - on both
;
; destroyed - rsi + rax, rcx, rdx, r8, r9, r10 & r11
; registers - rdi on both
;
; The default convention is that for windows, the gnu/linux convention being
; used if __GNUC__ is defined.
;
; Define _SEH_ to include support for Win64 structured exception handling
; (this requires YASM version 0.6 or later).
;
; This code provides the standard AES block size (128 bits, 16 bytes) and the
; three standard AES key sizes (128, 192 and 256 bits). It has the same call
; interface as my C implementation. It uses the Microsoft C AMD64 calling
; conventions in which the three parameters are placed in rcx, rdx and r8
; respectively. The rbx, rsi, rdi, rbp and r12..r15 registers are preserved.
;
; AES_RETURN aes_encrypt(const unsigned char in_blk[],
; unsigned char out_blk[], const aes_encrypt_ctx cx[1]);
;
; AES_RETURN aes_decrypt(const unsigned char in_blk[],
; unsigned char out_blk[], const aes_decrypt_ctx cx[1]);
;
; AES_RETURN aes_encrypt_key<NNN>(const unsigned char key[],
; const aes_encrypt_ctx cx[1]);
;
; AES_RETURN aes_decrypt_key<NNN>(const unsigned char key[],
; const aes_decrypt_ctx cx[1]);
;
; AES_RETURN aes_encrypt_key(const unsigned char key[],
; unsigned int len, const aes_decrypt_ctx cx[1]);
;
; AES_RETURN aes_decrypt_key(const unsigned char key[],
; unsigned int len, const aes_decrypt_ctx cx[1]);
;
; where <NNN> is 128, 102 or 256. In the last two calls the length can be in
; either bits or bytes.
;
; Comment in/out the following lines to obtain the desired subroutines. These
; selections MUST match those in the C header file aes.h
%define AES_128 ; define if AES with 128 bit keys is needed
%define AES_192 ; define if AES with 192 bit keys is needed
%define AES_256 ; define if AES with 256 bit keys is needed
%define AES_VAR ; define if a variable key size is needed
%define ENCRYPTION ; define if encryption is needed
%define DECRYPTION ; define if decryption is needed
%define AES_REV_DKS ; define if key decryption schedule is reversed
%define LAST_ROUND_TABLES ; define for the faster version using extra tables
; The encryption key schedule has the following in memory layout where N is the
; number of rounds (10, 12 or 14):
;
; lo: | input key (round 0) | ; each round is four 32-bit words
; | encryption round 1 |
; | encryption round 2 |
; ....
; | encryption round N-1 |
; hi: | encryption round N |
;
; The decryption key schedule is normally set up so that it has the same
; layout as above by actually reversing the order of the encryption key
; schedule in memory (this happens when AES_REV_DKS is set):
;
; lo: | decryption round 0 | = | encryption round N |
; | decryption round 1 | = INV_MIX_COL[ | encryption round N-1 | ]
; | decryption round 2 | = INV_MIX_COL[ | encryption round N-2 | ]
; .... ....
; | decryption round N-1 | = INV_MIX_COL[ | encryption round 1 | ]
; hi: | decryption round N | = | input key (round 0) |
;
; with rounds except the first and last modified using inv_mix_column()
; But if AES_REV_DKS is NOT set the order of keys is left as it is for
; encryption so that it has to be accessed in reverse when used for
; decryption (although the inverse mix column modifications are done)
;
; lo: | decryption round 0 | = | input key (round 0) |
; | decryption round 1 | = INV_MIX_COL[ | encryption round 1 | ]
; | decryption round 2 | = INV_MIX_COL[ | encryption round 2 | ]
; .... ....
; | decryption round N-1 | = INV_MIX_COL[ | encryption round N-1 | ]
; hi: | decryption round N | = | encryption round N |
;
; This layout is faster when the assembler key scheduling provided here
; is used.
;
; The DLL interface must use the _stdcall convention in which the number
; of bytes of parameter space is added after an @ to the sutine's name.
; We must also remove our parameters from the stack before return (see
; the do_exit macro). Define DLL_EXPORT for the Dynamic Link Library version.
;%define DLL_EXPORT
; End of user defines
%ifdef AES_VAR
%ifndef AES_128
%define AES_128
%endif
%ifndef AES_192
%define AES_192
%endif
%ifndef AES_256
%define AES_256
%endif
%endif
%ifdef AES_VAR
%define KS_LENGTH 60
%elifdef AES_256
%define KS_LENGTH 60
%elifdef AES_192
%define KS_LENGTH 52
%else
%define KS_LENGTH 44
%endif
%define r0 rax
%define r1 rdx
%define r2 rcx
%define r3 rbx
%define r4 rsi
%define r5 rdi
%define r6 rbp
%define r7 rsp
%define raxd eax
%define rdxd edx
%define rcxd ecx
%define rbxd ebx
%define rsid esi
%define rdid edi
%define rbpd ebp
%define rspd esp
%define raxb al
%define rdxb dl
%define rcxb cl
%define rbxb bl
%define rsib sil
%define rdib dil
%define rbpb bpl
%define rspb spl
%define r0h ah
%define r1h dh
%define r2h ch
%define r3h bh
%define r0d eax
%define r1d edx
%define r2d ecx
%define r3d ebx
; finite field multiplies by {02}, {04} and {08}
%define f2(x) ((x<<1)^(((x>>7)&1)*0x11b))
%define f4(x) ((x<<2)^(((x>>6)&1)*0x11b)^(((x>>6)&2)*0x11b))
%define f8(x) ((x<<3)^(((x>>5)&1)*0x11b)^(((x>>5)&2)*0x11b)^(((x>>5)&4)*0x11b))
; finite field multiplies required in table generation
%define f3(x) (f2(x) ^ x)
%define f9(x) (f8(x) ^ x)
%define fb(x) (f8(x) ^ f2(x) ^ x)
%define fd(x) (f8(x) ^ f4(x) ^ x)
%define fe(x) (f8(x) ^ f4(x) ^ f2(x))
; macro for expanding S-box data
%macro enc_vals 1
db %1(0x63),%1(0x7c),%1(0x77),%1(0x7b),%1(0xf2),%1(0x6b),%1(0x6f),%1(0xc5)
db %1(0x30),%1(0x01),%1(0x67),%1(0x2b),%1(0xfe),%1(0xd7),%1(0xab),%1(0x76)
db %1(0xca),%1(0x82),%1(0xc9),%1(0x7d),%1(0xfa),%1(0x59),%1(0x47),%1(0xf0)
db %1(0xad),%1(0xd4),%1(0xa2),%1(0xaf),%1(0x9c),%1(0xa4),%1(0x72),%1(0xc0)
db %1(0xb7),%1(0xfd),%1(0x93),%1(0x26),%1(0x36),%1(0x3f),%1(0xf7),%1(0xcc)
db %1(0x34),%1(0xa5),%1(0xe5),%1(0xf1),%1(0x71),%1(0xd8),%1(0x31),%1(0x15)
db %1(0x04),%1(0xc7),%1(0x23),%1(0xc3),%1(0x18),%1(0x96),%1(0x05),%1(0x9a)
db %1(0x07),%1(0x12),%1(0x80),%1(0xe2),%1(0xeb),%1(0x27),%1(0xb2),%1(0x75)
db %1(0x09),%1(0x83),%1(0x2c),%1(0x1a),%1(0x1b),%1(0x6e),%1(0x5a),%1(0xa0)
db %1(0x52),%1(0x3b),%1(0xd6),%1(0xb3),%1(0x29),%1(0xe3),%1(0x2f),%1(0x84)
db %1(0x53),%1(0xd1),%1(0x00),%1(0xed),%1(0x20),%1(0xfc),%1(0xb1),%1(0x5b)
db %1(0x6a),%1(0xcb),%1(0xbe),%1(0x39),%1(0x4a),%1(0x4c),%1(0x58),%1(0xcf)
db %1(0xd0),%1(0xef),%1(0xaa),%1(0xfb),%1(0x43),%1(0x4d),%1(0x33),%1(0x85)
db %1(0x45),%1(0xf9),%1(0x02),%1(0x7f),%1(0x50),%1(0x3c),%1(0x9f),%1(0xa8)
db %1(0x51),%1(0xa3),%1(0x40),%1(0x8f),%1(0x92),%1(0x9d),%1(0x38),%1(0xf5)
db %1(0xbc),%1(0xb6),%1(0xda),%1(0x21),%1(0x10),%1(0xff),%1(0xf3),%1(0xd2)
db %1(0xcd),%1(0x0c),%1(0x13),%1(0xec),%1(0x5f),%1(0x97),%1(0x44),%1(0x17)
db %1(0xc4),%1(0xa7),%1(0x7e),%1(0x3d),%1(0x64),%1(0x5d),%1(0x19),%1(0x73)
db %1(0x60),%1(0x81),%1(0x4f),%1(0xdc),%1(0x22),%1(0x2a),%1(0x90),%1(0x88)
db %1(0x46),%1(0xee),%1(0xb8),%1(0x14),%1(0xde),%1(0x5e),%1(0x0b),%1(0xdb)
db %1(0xe0),%1(0x32),%1(0x3a),%1(0x0a),%1(0x49),%1(0x06),%1(0x24),%1(0x5c)
db %1(0xc2),%1(0xd3),%1(0xac),%1(0x62),%1(0x91),%1(0x95),%1(0xe4),%1(0x79)
db %1(0xe7),%1(0xc8),%1(0x37),%1(0x6d),%1(0x8d),%1(0xd5),%1(0x4e),%1(0xa9)
db %1(0x6c),%1(0x56),%1(0xf4),%1(0xea),%1(0x65),%1(0x7a),%1(0xae),%1(0x08)
db %1(0xba),%1(0x78),%1(0x25),%1(0x2e),%1(0x1c),%1(0xa6),%1(0xb4),%1(0xc6)
db %1(0xe8),%1(0xdd),%1(0x74),%1(0x1f),%1(0x4b),%1(0xbd),%1(0x8b),%1(0x8a)
db %1(0x70),%1(0x3e),%1(0xb5),%1(0x66),%1(0x48),%1(0x03),%1(0xf6),%1(0x0e)
db %1(0x61),%1(0x35),%1(0x57),%1(0xb9),%1(0x86),%1(0xc1),%1(0x1d),%1(0x9e)
db %1(0xe1),%1(0xf8),%1(0x98),%1(0x11),%1(0x69),%1(0xd9),%1(0x8e),%1(0x94)
db %1(0x9b),%1(0x1e),%1(0x87),%1(0xe9),%1(0xce),%1(0x55),%1(0x28),%1(0xdf)
db %1(0x8c),%1(0xa1),%1(0x89),%1(0x0d),%1(0xbf),%1(0xe6),%1(0x42),%1(0x68)
db %1(0x41),%1(0x99),%1(0x2d),%1(0x0f),%1(0xb0),%1(0x54),%1(0xbb),%1(0x16)
%endmacro
%macro dec_vals 1
db %1(0x52),%1(0x09),%1(0x6a),%1(0xd5),%1(0x30),%1(0x36),%1(0xa5),%1(0x38)
db %1(0xbf),%1(0x40),%1(0xa3),%1(0x9e),%1(0x81),%1(0xf3),%1(0xd7),%1(0xfb)
db %1(0x7c),%1(0xe3),%1(0x39),%1(0x82),%1(0x9b),%1(0x2f),%1(0xff),%1(0x87)
db %1(0x34),%1(0x8e),%1(0x43),%1(0x44),%1(0xc4),%1(0xde),%1(0xe9),%1(0xcb)
db %1(0x54),%1(0x7b),%1(0x94),%1(0x32),%1(0xa6),%1(0xc2),%1(0x23),%1(0x3d)
db %1(0xee),%1(0x4c),%1(0x95),%1(0x0b),%1(0x42),%1(0xfa),%1(0xc3),%1(0x4e)
db %1(0x08),%1(0x2e),%1(0xa1),%1(0x66),%1(0x28),%1(0xd9),%1(0x24),%1(0xb2)
db %1(0x76),%1(0x5b),%1(0xa2),%1(0x49),%1(0x6d),%1(0x8b),%1(0xd1),%1(0x25)
db %1(0x72),%1(0xf8),%1(0xf6),%1(0x64),%1(0x86),%1(0x68),%1(0x98),%1(0x16)
db %1(0xd4),%1(0xa4),%1(0x5c),%1(0xcc),%1(0x5d),%1(0x65),%1(0xb6),%1(0x92)
db %1(0x6c),%1(0x70),%1(0x48),%1(0x50),%1(0xfd),%1(0xed),%1(0xb9),%1(0xda)
db %1(0x5e),%1(0x15),%1(0x46),%1(0x57),%1(0xa7),%1(0x8d),%1(0x9d),%1(0x84)
db %1(0x90),%1(0xd8),%1(0xab),%1(0x00),%1(0x8c),%1(0xbc),%1(0xd3),%1(0x0a)
db %1(0xf7),%1(0xe4),%1(0x58),%1(0x05),%1(0xb8),%1(0xb3),%1(0x45),%1(0x06)
db %1(0xd0),%1(0x2c),%1(0x1e),%1(0x8f),%1(0xca),%1(0x3f),%1(0x0f),%1(0x02)
db %1(0xc1),%1(0xaf),%1(0xbd),%1(0x03),%1(0x01),%1(0x13),%1(0x8a),%1(0x6b)
db %1(0x3a),%1(0x91),%1(0x11),%1(0x41),%1(0x4f),%1(0x67),%1(0xdc),%1(0xea)
db %1(0x97),%1(0xf2),%1(0xcf),%1(0xce),%1(0xf0),%1(0xb4),%1(0xe6),%1(0x73)
db %1(0x96),%1(0xac),%1(0x74),%1(0x22),%1(0xe7),%1(0xad),%1(0x35),%1(0x85)
db %1(0xe2),%1(0xf9),%1(0x37),%1(0xe8),%1(0x1c),%1(0x75),%1(0xdf),%1(0x6e)
db %1(0x47),%1(0xf1),%1(0x1a),%1(0x71),%1(0x1d),%1(0x29),%1(0xc5),%1(0x89)
db %1(0x6f),%1(0xb7),%1(0x62),%1(0x0e),%1(0xaa),%1(0x18),%1(0xbe),%1(0x1b)
db %1(0xfc),%1(0x56),%1(0x3e),%1(0x4b),%1(0xc6),%1(0xd2),%1(0x79),%1(0x20)
db %1(0x9a),%1(0xdb),%1(0xc0),%1(0xfe),%1(0x78),%1(0xcd),%1(0x5a),%1(0xf4)
db %1(0x1f),%1(0xdd),%1(0xa8),%1(0x33),%1(0x88),%1(0x07),%1(0xc7),%1(0x31)
db %1(0xb1),%1(0x12),%1(0x10),%1(0x59),%1(0x27),%1(0x80),%1(0xec),%1(0x5f)
db %1(0x60),%1(0x51),%1(0x7f),%1(0xa9),%1(0x19),%1(0xb5),%1(0x4a),%1(0x0d)
db %1(0x2d),%1(0xe5),%1(0x7a),%1(0x9f),%1(0x93),%1(0xc9),%1(0x9c),%1(0xef)
db %1(0xa0),%1(0xe0),%1(0x3b),%1(0x4d),%1(0xae),%1(0x2a),%1(0xf5),%1(0xb0)
db %1(0xc8),%1(0xeb),%1(0xbb),%1(0x3c),%1(0x83),%1(0x53),%1(0x99),%1(0x61)
db %1(0x17),%1(0x2b),%1(0x04),%1(0x7e),%1(0xba),%1(0x77),%1(0xd6),%1(0x26)
db %1(0xe1),%1(0x69),%1(0x14),%1(0x63),%1(0x55),%1(0x21),%1(0x0c),%1(0x7d)
%endmacro
%define u8(x) f2(x), x, x, f3(x), f2(x), x, x, f3(x)
%define v8(x) fe(x), f9(x), fd(x), fb(x), fe(x), f9(x), fd(x), x
%define w8(x) x, 0, 0, 0, x, 0, 0, 0
%define tptr rbp ; table pointer
%define kptr r8 ; key schedule pointer
%define fofs 128 ; adjust offset in key schedule to keep |disp| < 128
%define fk_ref(x,y) [kptr-16*x+fofs+4*y]
%ifdef AES_REV_DKS
%define rofs 128
%define ik_ref(x,y) [kptr-16*x+rofs+4*y]
%else
%define rofs -128
%define ik_ref(x,y) [kptr+16*x+rofs+4*y]
%endif
%define tab_0(x) [tptr+8*x]
%define tab_1(x) [tptr+8*x+3]
%define tab_2(x) [tptr+8*x+2]
%define tab_3(x) [tptr+8*x+1]
%define tab_f(x) byte [tptr+8*x+1]
%define tab_i(x) byte [tptr+8*x+7]
%define t_ref(x,r) tab_ %+ x(r)
%macro ff_rnd 5 ; normal forward round
mov %1d, fk_ref(%5,0)
mov %2d, fk_ref(%5,1)
mov %3d, fk_ref(%5,2)
mov %4d, fk_ref(%5,3)
movzx esi, al
movzx edi, ah
shr eax, 16
xor %1d, t_ref(0,rsi)
xor %4d, t_ref(1,rdi)
movzx esi, al
movzx edi, ah
xor %3d, t_ref(2,rsi)
xor %2d, t_ref(3,rdi)
movzx esi, bl
movzx edi, bh
shr ebx, 16
xor %2d, t_ref(0,rsi)
xor %1d, t_ref(1,rdi)
movzx esi, bl
movzx edi, bh
xor %4d, t_ref(2,rsi)
xor %3d, t_ref(3,rdi)
movzx esi, cl
movzx edi, ch
shr ecx, 16
xor %3d, t_ref(0,rsi)
xor %2d, t_ref(1,rdi)
movzx esi, cl
movzx edi, ch
xor %1d, t_ref(2,rsi)
xor %4d, t_ref(3,rdi)
movzx esi, dl
movzx edi, dh
shr edx, 16
xor %4d, t_ref(0,rsi)
xor %3d, t_ref(1,rdi)
movzx esi, dl
movzx edi, dh
xor %2d, t_ref(2,rsi)
xor %1d, t_ref(3,rdi)
mov eax,%1d
mov ebx,%2d
mov ecx,%3d
mov edx,%4d
%endmacro
%ifdef LAST_ROUND_TABLES
%macro fl_rnd 5 ; last forward round
add tptr, 2048
mov %1d, fk_ref(%5,0)
mov %2d, fk_ref(%5,1)
mov %3d, fk_ref(%5,2)
mov %4d, fk_ref(%5,3)
movzx esi, al
movzx edi, ah
shr eax, 16
xor %1d, t_ref(0,rsi)
xor %4d, t_ref(1,rdi)
movzx esi, al
movzx edi, ah
xor %3d, t_ref(2,rsi)
xor %2d, t_ref(3,rdi)
movzx esi, bl
movzx edi, bh
shr ebx, 16
xor %2d, t_ref(0,rsi)
xor %1d, t_ref(1,rdi)
movzx esi, bl
movzx edi, bh
xor %4d, t_ref(2,rsi)
xor %3d, t_ref(3,rdi)
movzx esi, cl
movzx edi, ch
shr ecx, 16
xor %3d, t_ref(0,rsi)
xor %2d, t_ref(1,rdi)
movzx esi, cl
movzx edi, ch
xor %1d, t_ref(2,rsi)
xor %4d, t_ref(3,rdi)
movzx esi, dl
movzx edi, dh
shr edx, 16
xor %4d, t_ref(0,rsi)
xor %3d, t_ref(1,rdi)
movzx esi, dl
movzx edi, dh
xor %2d, t_ref(2,rsi)
xor %1d, t_ref(3,rdi)
%endmacro
%else
%macro fl_rnd 5 ; last forward round
mov %1d, fk_ref(%5,0)
mov %2d, fk_ref(%5,1)
mov %3d, fk_ref(%5,2)
mov %4d, fk_ref(%5,3)
movzx esi, al
movzx edi, ah
shr eax, 16
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
xor %1d, esi
rol edi, 8
xor %4d, edi
movzx esi, al
movzx edi, ah
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
rol esi, 16
rol edi, 24
xor %3d, esi
xor %2d, edi
movzx esi, bl
movzx edi, bh
shr ebx, 16
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
xor %2d, esi
rol edi, 8
xor %1d, edi
movzx esi, bl
movzx edi, bh
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
rol esi, 16
rol edi, 24
xor %4d, esi
xor %3d, edi
movzx esi, cl
movzx edi, ch
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
shr ecx, 16
xor %3d, esi
rol edi, 8
xor %2d, edi
movzx esi, cl
movzx edi, ch
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
rol esi, 16
rol edi, 24
xor %1d, esi
xor %4d, edi
movzx esi, dl
movzx edi, dh
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
shr edx, 16
xor %4d, esi
rol edi, 8
xor %3d, edi
movzx esi, dl
movzx edi, dh
movzx esi, t_ref(f,rsi)
movzx edi, t_ref(f,rdi)
rol esi, 16
rol edi, 24
xor %2d, esi
xor %1d, edi
%endmacro
%endif
%macro ii_rnd 5 ; normal inverse round
mov %1d, ik_ref(%5,0)
mov %2d, ik_ref(%5,1)
mov %3d, ik_ref(%5,2)
mov %4d, ik_ref(%5,3)
movzx esi, al
movzx edi, ah
shr eax, 16
xor %1d, t_ref(0,rsi)
xor %2d, t_ref(1,rdi)
movzx esi, al
movzx edi, ah
xor %3d, t_ref(2,rsi)
xor %4d, t_ref(3,rdi)
movzx esi, bl
movzx edi, bh
shr ebx, 16
xor %2d, t_ref(0,rsi)
xor %3d, t_ref(1,rdi)
movzx esi, bl
movzx edi, bh
xor %4d, t_ref(2,rsi)
xor %1d, t_ref(3,rdi)
movzx esi, cl
movzx edi, ch
shr ecx, 16
xor %3d, t_ref(0,rsi)
xor %4d, t_ref(1,rdi)
movzx esi, cl
movzx edi, ch
xor %1d, t_ref(2,rsi)
xor %2d, t_ref(3,rdi)
movzx esi, dl
movzx edi, dh
shr edx, 16
xor %4d, t_ref(0,rsi)
xor %1d, t_ref(1,rdi)
movzx esi, dl
movzx edi, dh
xor %2d, t_ref(2,rsi)
xor %3d, t_ref(3,rdi)
mov eax,%1d
mov ebx,%2d
mov ecx,%3d
mov edx,%4d
%endmacro
%ifdef LAST_ROUND_TABLES
%macro il_rnd 5 ; last inverse round
add tptr, 2048
mov %1d, ik_ref(%5,0)
mov %2d, ik_ref(%5,1)
mov %3d, ik_ref(%5,2)
mov %4d, ik_ref(%5,3)
movzx esi, al
movzx edi, ah
shr eax, 16
xor %1d, t_ref(0,rsi)
xor %2d, t_ref(1,rdi)
movzx esi, al
movzx edi, ah
xor %3d, t_ref(2,rsi)
xor %4d, t_ref(3,rdi)
movzx esi, bl
movzx edi, bh
shr ebx, 16
xor %2d, t_ref(0,rsi)
xor %3d, t_ref(1,rdi)
movzx esi, bl
movzx edi, bh
xor %4d, t_ref(2,rsi)
xor %1d, t_ref(3,rdi)
movzx esi, cl
movzx edi, ch
shr ecx, 16
xor %3d, t_ref(0,rsi)
xor %4d, t_ref(1,rdi)
movzx esi, cl
movzx edi, ch
xor %1d, t_ref(2,rsi)
xor %2d, t_ref(3,rdi)
movzx esi, dl
movzx edi, dh
shr edx, 16
xor %4d, t_ref(0,rsi)
xor %1d, t_ref(1,rdi)
movzx esi, dl
movzx edi, dh
xor %2d, t_ref(2,rsi)
xor %3d, t_ref(3,rdi)
%endmacro
%else
%macro il_rnd 5 ; last inverse round
mov %1d, ik_ref(%5,0)
mov %2d, ik_ref(%5,1)
mov %3d, ik_ref(%5,2)
mov %4d, ik_ref(%5,3)
movzx esi, al
movzx edi, ah
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
shr eax, 16
xor %1d, esi
rol edi, 8
xor %2d, edi
movzx esi, al
movzx edi, ah
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
rol esi, 16
rol edi, 24
xor %3d, esi
xor %4d, edi
movzx esi, bl
movzx edi, bh
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
shr ebx, 16
xor %2d, esi
rol edi, 8
xor %3d, edi
movzx esi, bl
movzx edi, bh
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
rol esi, 16
rol edi, 24
xor %4d, esi
xor %1d, edi
movzx esi, cl
movzx edi, ch
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
shr ecx, 16
xor %3d, esi
rol edi, 8
xor %4d, edi
movzx esi, cl
movzx edi, ch
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
rol esi, 16
rol edi, 24
xor %1d, esi
xor %2d, edi
movzx esi, dl
movzx edi, dh
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
shr edx, 16
xor %4d, esi
rol edi, 8
xor %1d, edi
movzx esi, dl
movzx edi, dh
movzx esi, t_ref(i,rsi)
movzx edi, t_ref(i,rdi)
rol esi, 16
rol edi, 24
xor %2d, esi
xor %3d, edi
%endmacro
%endif
%ifdef ENCRYPTION
global aes_encrypt
%ifdef DLL_EXPORT
export aes_encrypt
%endif
section .data align=64
align 64
enc_tab:
enc_vals u8
%ifdef LAST_ROUND_TABLES
enc_vals w8
%endif
section .text align=16
align 16
%ifdef _SEH_
proc_frame aes_encrypt
alloc_stack 7*8 ; 7 to align stack to 16 bytes
save_reg rsi,4*8
save_reg rdi,5*8
save_reg rbx,1*8
save_reg rbp,2*8
save_reg r12,3*8
end_prologue
mov rdi, rcx ; input pointer
mov [rsp+0*8], rdx ; output pointer
%else
aes_encrypt:
%ifdef __GNUC__
sub rsp, 4*8 ; gnu/linux binary interface
mov [rsp+0*8], rsi ; output pointer
mov r8, rdx ; context
%else
sub rsp, 6*8 ; windows binary interface
mov [rsp+4*8], rsi
mov [rsp+5*8], rdi
mov rdi, rcx ; input pointer
mov [rsp+0*8], rdx ; output pointer
%endif
mov [rsp+1*8], rbx ; input pointer in rdi
mov [rsp+2*8], rbp ; output pointer in [rsp]
mov [rsp+3*8], r12 ; context in r8
%endif
movzx esi, byte [kptr+4*KS_LENGTH]
lea tptr,[enc_tab wrt rip]
sub kptr, fofs
mov eax, [rdi+0*4]
mov ebx, [rdi+1*4]
mov ecx, [rdi+2*4]
mov edx, [rdi+3*4]
xor eax, [kptr+fofs]
xor ebx, [kptr+fofs+4]
xor ecx, [kptr+fofs+8]
xor edx, [kptr+fofs+12]
lea kptr,[kptr+rsi]
cmp esi, 10*16
je .3
cmp esi, 12*16
je .2
cmp esi, 14*16
je .1
mov rax, -1
jmp .4
.1: ff_rnd r9, r10, r11, r12, 13
ff_rnd r9, r10, r11, r12, 12
.2: ff_rnd r9, r10, r11, r12, 11
ff_rnd r9, r10, r11, r12, 10
.3: ff_rnd r9, r10, r11, r12, 9
ff_rnd r9, r10, r11, r12, 8
ff_rnd r9, r10, r11, r12, 7
ff_rnd r9, r10, r11, r12, 6
ff_rnd r9, r10, r11, r12, 5
ff_rnd r9, r10, r11, r12, 4
ff_rnd r9, r10, r11, r12, 3
ff_rnd r9, r10, r11, r12, 2
ff_rnd r9, r10, r11, r12, 1
fl_rnd r9, r10, r11, r12, 0
mov rbx, [rsp]
mov [rbx], r9d
mov [rbx+4], r10d
mov [rbx+8], r11d
mov [rbx+12], r12d
xor rax, rax
.4:
mov rbx, [rsp+1*8]
mov rbp, [rsp+2*8]
mov r12, [rsp+3*8]
%ifdef __GNUC__
add rsp, 4*8
ret
%else
mov rsi, [rsp+4*8]
mov rdi, [rsp+5*8]
%ifdef _SEH_
add rsp, 7*8
ret
endproc_frame
%else
add rsp, 6*8
ret
%endif
%endif
%endif
%ifdef DECRYPTION
global aes_decrypt
%ifdef DLL_EXPORT
export aes_decrypt
%endif
section .data
align 64
dec_tab:
dec_vals v8
%ifdef LAST_ROUND_TABLES
dec_vals w8
%endif
section .text
align 16
%ifdef _SEH_
proc_frame aes_decrypt
alloc_stack 7*8 ; 7 to align stack to 16 bytes
save_reg rsi,4*8
save_reg rdi,5*8
save_reg rbx,1*8
save_reg rbp,2*8
save_reg r12,3*8
end_prologue
mov rdi, rcx ; input pointer
mov [rsp+0*8], rdx ; output pointer
%else
aes_decrypt:
%ifdef __GNUC__
sub rsp, 4*8 ; gnu/linux binary interface
mov [rsp+0*8], rsi ; output pointer
mov r8, rdx ; context
%else
sub rsp, 6*8 ; windows binary interface
mov [rsp+4*8], rsi
mov [rsp+5*8], rdi
mov rdi, rcx ; input pointer
mov [rsp+0*8], rdx ; output pointer
%endif
mov [rsp+1*8], rbx ; input pointer in rdi
mov [rsp+2*8], rbp ; output pointer in [rsp]
mov [rsp+3*8], r12 ; context in r8
%endif
movzx esi,byte[kptr+4*KS_LENGTH]
lea tptr,[dec_tab wrt rip]
sub kptr, rofs
mov eax, [rdi+0*4]
mov ebx, [rdi+1*4]
mov ecx, [rdi+2*4]
mov edx, [rdi+3*4]
%ifdef AES_REV_DKS
mov rdi, kptr
lea kptr,[kptr+rsi]
%else
lea rdi,[kptr+rsi]
%endif
xor eax, [rdi+rofs]
xor ebx, [rdi+rofs+4]
xor ecx, [rdi+rofs+8]
xor edx, [rdi+rofs+12]
cmp esi, 10*16
je .3
cmp esi, 12*16
je .2
cmp esi, 14*16
je .1
mov rax, -1
jmp .4
.1: ii_rnd r9, r10, r11, r12, 13
ii_rnd r9, r10, r11, r12, 12
.2: ii_rnd r9, r10, r11, r12, 11
ii_rnd r9, r10, r11, r12, 10
.3: ii_rnd r9, r10, r11, r12, 9
ii_rnd r9, r10, r11, r12, 8
ii_rnd r9, r10, r11, r12, 7
ii_rnd r9, r10, r11, r12, 6
ii_rnd r9, r10, r11, r12, 5
ii_rnd r9, r10, r11, r12, 4
ii_rnd r9, r10, r11, r12, 3
ii_rnd r9, r10, r11, r12, 2
ii_rnd r9, r10, r11, r12, 1
il_rnd r9, r10, r11, r12, 0
mov rbx, [rsp]
mov [rbx], r9d
mov [rbx+4], r10d
mov [rbx+8], r11d
mov [rbx+12], r12d
xor rax, rax
.4: mov rbx, [rsp+1*8]
mov rbp, [rsp+2*8]
mov r12, [rsp+3*8]
%ifdef __GNUC__
add rsp, 4*8
ret
%else
mov rsi, [rsp+4*8]
mov rdi, [rsp+5*8]
%ifdef _SEH_
add rsp, 7*8
ret
endproc_frame
%else
add rsp, 6*8
ret
%endif
%endif
%endif
end

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src/java/KP2AKdbLibrary/jni/aes/aes_modes.c Normal file
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@ -0,0 +1,945 @@
/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
These subroutines implement multiple block AES modes for ECB, CBC, CFB,
OFB and CTR encryption, The code provides support for the VIA Advanced
Cryptography Engine (ACE).
NOTE: In the following subroutines, the AES contexts (ctx) must be
16 byte aligned if VIA ACE is being used
*/
#include <string.h>
#include <assert.h>
#include "aesopt.h"
#if defined( AES_MODES )
#if defined(__cplusplus)
extern "C"
{
#endif
#if defined( _MSC_VER ) && ( _MSC_VER > 800 )
#pragma intrinsic(memcpy)
#endif
#define BFR_BLOCKS 8
/* These values are used to detect long word alignment in order to */
/* speed up some buffer operations. This facility may not work on */
/* some machines so this define can be commented out if necessary */
#define FAST_BUFFER_OPERATIONS
#define lp32(x) ((uint_32t*)(x))
#if defined( USE_VIA_ACE_IF_PRESENT )
#include "aes_via_ace.h"
#pragma pack(16)
aligned_array(unsigned long, enc_gen_table, 12, 16) = NEH_ENC_GEN_DATA;
aligned_array(unsigned long, enc_load_table, 12, 16) = NEH_ENC_LOAD_DATA;
aligned_array(unsigned long, enc_hybrid_table, 12, 16) = NEH_ENC_HYBRID_DATA;
aligned_array(unsigned long, dec_gen_table, 12, 16) = NEH_DEC_GEN_DATA;
aligned_array(unsigned long, dec_load_table, 12, 16) = NEH_DEC_LOAD_DATA;
aligned_array(unsigned long, dec_hybrid_table, 12, 16) = NEH_DEC_HYBRID_DATA;
/* NOTE: These control word macros must only be used after */
/* a key has been set up because they depend on key size */
#if NEH_KEY_TYPE == NEH_LOAD
#define kd_adr(c) ((uint_8t*)(c)->ks)
#elif NEH_KEY_TYPE == NEH_GENERATE
#define kd_adr(c) ((uint_8t*)(c)->ks + (c)->inf.b[0])
#else
#define kd_adr(c) ((uint_8t*)(c)->ks + ((c)->inf.b[0] == 160 ? 160 : 0))
#endif
#else
#define aligned_array(type, name, no, stride) type name[no]
#define aligned_auto(type, name, no, stride) type name[no]
#endif
#if defined( _MSC_VER ) && _MSC_VER > 1200
#define via_cwd(cwd, ty, dir, len) \
unsigned long* cwd = (dir##_##ty##_table + ((len - 128) >> 4))
#else
#define via_cwd(cwd, ty, dir, len) \
aligned_auto(unsigned long, cwd, 4, 16); \
cwd[1] = cwd[2] = cwd[3] = 0; \
cwd[0] = neh_##dir##_##ty##_key(len)
#endif
/* test the code for detecting and setting pointer alignment */
AES_RETURN aes_test_alignment_detection(unsigned int n) /* 4 <= n <= 16 */
{ uint_8t p[16];
uint_32t i, count_eq = 0, count_neq = 0;
if(n < 4 || n > 16)
return EXIT_FAILURE;
for(i = 0; i < n; ++i)
{
uint_8t *qf = ALIGN_FLOOR(p + i, n),
*qh = ALIGN_CEIL(p + i, n);
if(qh == qf)
++count_eq;
else if(qh == qf + n)
++count_neq;
else
return EXIT_FAILURE;
}
return (count_eq != 1 || count_neq != n - 1 ? EXIT_FAILURE : EXIT_SUCCESS);
}
AES_RETURN aes_mode_reset(aes_encrypt_ctx ctx[1])
{
ctx->inf.b[2] = 0;
return EXIT_SUCCESS;
}
AES_RETURN aes_ecb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_encrypt_ctx ctx[1])
{ int nb = len >> 4;
if(len & (AES_BLOCK_SIZE - 1))
return EXIT_FAILURE;
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{ uint_8t *ksp = (uint_8t*)(ctx->ks);
via_cwd(cwd, hybrid, enc, 2 * ctx->inf.b[0] - 192);
if(ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
if(!ALIGN_OFFSET( ibuf, 16 ) && !ALIGN_OFFSET( obuf, 16 ))
{
via_ecb_op5(ksp, cwd, ibuf, obuf, nb);
}
else
{ aligned_auto(uint_8t, buf, BFR_BLOCKS * AES_BLOCK_SIZE, 16);
uint_8t *ip, *op;
while(nb)
{
int m = (nb > BFR_BLOCKS ? BFR_BLOCKS : nb);
ip = (ALIGN_OFFSET( ibuf, 16 ) ? buf : ibuf);
op = (ALIGN_OFFSET( obuf, 16 ) ? buf : obuf);
if(ip != ibuf)
memcpy(buf, ibuf, m * AES_BLOCK_SIZE);
via_ecb_op5(ksp, cwd, ip, op, m);
if(op != obuf)
memcpy(obuf, buf, m * AES_BLOCK_SIZE);
ibuf += m * AES_BLOCK_SIZE;
obuf += m * AES_BLOCK_SIZE;
nb -= m;
}
}
return EXIT_SUCCESS;
}
#endif
#if !defined( ASSUME_VIA_ACE_PRESENT )
while(nb--)
{
if(aes_encrypt(ibuf, obuf, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
#endif
return EXIT_SUCCESS;
}
AES_RETURN aes_ecb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_decrypt_ctx ctx[1])
{ int nb = len >> 4;
if(len & (AES_BLOCK_SIZE - 1))
return EXIT_FAILURE;
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{ uint_8t *ksp = kd_adr(ctx);
via_cwd(cwd, hybrid, dec, 2 * ctx->inf.b[0] - 192);
if(ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
if(!ALIGN_OFFSET( ibuf, 16 ) && !ALIGN_OFFSET( obuf, 16 ))
{
via_ecb_op5(ksp, cwd, ibuf, obuf, nb);
}
else
{ aligned_auto(uint_8t, buf, BFR_BLOCKS * AES_BLOCK_SIZE, 16);
uint_8t *ip, *op;
while(nb)
{
int m = (nb > BFR_BLOCKS ? BFR_BLOCKS : nb);
ip = (ALIGN_OFFSET( ibuf, 16 ) ? buf : ibuf);
op = (ALIGN_OFFSET( obuf, 16 ) ? buf : obuf);
if(ip != ibuf)
memcpy(buf, ibuf, m * AES_BLOCK_SIZE);
via_ecb_op5(ksp, cwd, ip, op, m);
if(op != obuf)
memcpy(obuf, buf, m * AES_BLOCK_SIZE);
ibuf += m * AES_BLOCK_SIZE;
obuf += m * AES_BLOCK_SIZE;
nb -= m;
}
}
return EXIT_SUCCESS;
}
#endif
#if !defined( ASSUME_VIA_ACE_PRESENT )
while(nb--)
{
if(aes_decrypt(ibuf, obuf, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
#endif
return EXIT_SUCCESS;
}
AES_RETURN aes_cbc_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_encrypt_ctx ctx[1])
{ int nb = len >> 4;
if(len & (AES_BLOCK_SIZE - 1))
return EXIT_FAILURE;
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{ uint_8t *ksp = (uint_8t*)(ctx->ks), *ivp = iv;
aligned_auto(uint_8t, liv, AES_BLOCK_SIZE, 16);
via_cwd(cwd, hybrid, enc, 2 * ctx->inf.b[0] - 192);
if(ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
if(ALIGN_OFFSET( iv, 16 )) /* ensure an aligned iv */
{
ivp = liv;
memcpy(liv, iv, AES_BLOCK_SIZE);
}
if(!ALIGN_OFFSET( ibuf, 16 ) && !ALIGN_OFFSET( obuf, 16 ) && !ALIGN_OFFSET( iv, 16 ))
{
via_cbc_op7(ksp, cwd, ibuf, obuf, nb, ivp, ivp);
}
else
{ aligned_auto(uint_8t, buf, BFR_BLOCKS * AES_BLOCK_SIZE, 16);
uint_8t *ip, *op;
while(nb)
{
int m = (nb > BFR_BLOCKS ? BFR_BLOCKS : nb);
ip = (ALIGN_OFFSET( ibuf, 16 ) ? buf : ibuf);
op = (ALIGN_OFFSET( obuf, 16 ) ? buf : obuf);
if(ip != ibuf)
memcpy(buf, ibuf, m * AES_BLOCK_SIZE);
via_cbc_op7(ksp, cwd, ip, op, m, ivp, ivp);
if(op != obuf)
memcpy(obuf, buf, m * AES_BLOCK_SIZE);
ibuf += m * AES_BLOCK_SIZE;
obuf += m * AES_BLOCK_SIZE;
nb -= m;
}
}
if(iv != ivp)
memcpy(iv, ivp, AES_BLOCK_SIZE);
return EXIT_SUCCESS;
}
#endif
#if !defined( ASSUME_VIA_ACE_PRESENT )
# ifdef FAST_BUFFER_OPERATIONS
if(!ALIGN_OFFSET( ibuf, 4 ) && !ALIGN_OFFSET( iv, 4 ))
while(nb--)
{
lp32(iv)[0] ^= lp32(ibuf)[0];
lp32(iv)[1] ^= lp32(ibuf)[1];
lp32(iv)[2] ^= lp32(ibuf)[2];
lp32(iv)[3] ^= lp32(ibuf)[3];
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
memcpy(obuf, iv, AES_BLOCK_SIZE);
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
else
# endif
while(nb--)
{
iv[ 0] ^= ibuf[ 0]; iv[ 1] ^= ibuf[ 1];
iv[ 2] ^= ibuf[ 2]; iv[ 3] ^= ibuf[ 3];
iv[ 4] ^= ibuf[ 4]; iv[ 5] ^= ibuf[ 5];
iv[ 6] ^= ibuf[ 6]; iv[ 7] ^= ibuf[ 7];
iv[ 8] ^= ibuf[ 8]; iv[ 9] ^= ibuf[ 9];
iv[10] ^= ibuf[10]; iv[11] ^= ibuf[11];
iv[12] ^= ibuf[12]; iv[13] ^= ibuf[13];
iv[14] ^= ibuf[14]; iv[15] ^= ibuf[15];
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
memcpy(obuf, iv, AES_BLOCK_SIZE);
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
#endif
return EXIT_SUCCESS;
}
AES_RETURN aes_cbc_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_decrypt_ctx ctx[1])
{ unsigned char tmp[AES_BLOCK_SIZE];
int nb = len >> 4;
if(len & (AES_BLOCK_SIZE - 1))
return EXIT_FAILURE;
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{ uint_8t *ksp = kd_adr(ctx), *ivp = iv;
aligned_auto(uint_8t, liv, AES_BLOCK_SIZE, 16);
via_cwd(cwd, hybrid, dec, 2 * ctx->inf.b[0] - 192);
if(ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
if(ALIGN_OFFSET( iv, 16 )) /* ensure an aligned iv */
{
ivp = liv;
memcpy(liv, iv, AES_BLOCK_SIZE);
}
if(!ALIGN_OFFSET( ibuf, 16 ) && !ALIGN_OFFSET( obuf, 16 ) && !ALIGN_OFFSET( iv, 16 ))
{
via_cbc_op6(ksp, cwd, ibuf, obuf, nb, ivp);
}
else
{ aligned_auto(uint_8t, buf, BFR_BLOCKS * AES_BLOCK_SIZE, 16);
uint_8t *ip, *op;
while(nb)
{
int m = (nb > BFR_BLOCKS ? BFR_BLOCKS : nb);
ip = (ALIGN_OFFSET( ibuf, 16 ) ? buf : ibuf);
op = (ALIGN_OFFSET( obuf, 16 ) ? buf : obuf);
if(ip != ibuf)
memcpy(buf, ibuf, m * AES_BLOCK_SIZE);
via_cbc_op6(ksp, cwd, ip, op, m, ivp);
if(op != obuf)
memcpy(obuf, buf, m * AES_BLOCK_SIZE);
ibuf += m * AES_BLOCK_SIZE;
obuf += m * AES_BLOCK_SIZE;
nb -= m;
}
}
if(iv != ivp)
memcpy(iv, ivp, AES_BLOCK_SIZE);
return EXIT_SUCCESS;
}
#endif
#if !defined( ASSUME_VIA_ACE_PRESENT )
# ifdef FAST_BUFFER_OPERATIONS
if(!ALIGN_OFFSET( obuf, 4 ) && !ALIGN_OFFSET( iv, 4 ))
while(nb--)
{
memcpy(tmp, ibuf, AES_BLOCK_SIZE);
if(aes_decrypt(ibuf, obuf, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
lp32(obuf)[0] ^= lp32(iv)[0];
lp32(obuf)[1] ^= lp32(iv)[1];
lp32(obuf)[2] ^= lp32(iv)[2];
lp32(obuf)[3] ^= lp32(iv)[3];
memcpy(iv, tmp, AES_BLOCK_SIZE);
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
else
# endif
while(nb--)
{
memcpy(tmp, ibuf, AES_BLOCK_SIZE);
if(aes_decrypt(ibuf, obuf, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
obuf[ 0] ^= iv[ 0]; obuf[ 1] ^= iv[ 1];
obuf[ 2] ^= iv[ 2]; obuf[ 3] ^= iv[ 3];
obuf[ 4] ^= iv[ 4]; obuf[ 5] ^= iv[ 5];
obuf[ 6] ^= iv[ 6]; obuf[ 7] ^= iv[ 7];
obuf[ 8] ^= iv[ 8]; obuf[ 9] ^= iv[ 9];
obuf[10] ^= iv[10]; obuf[11] ^= iv[11];
obuf[12] ^= iv[12]; obuf[13] ^= iv[13];
obuf[14] ^= iv[14]; obuf[15] ^= iv[15];
memcpy(iv, tmp, AES_BLOCK_SIZE);
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
#endif
return EXIT_SUCCESS;
}
AES_RETURN aes_cfb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx ctx[1])
{ int cnt = 0, b_pos = (int)ctx->inf.b[2], nb;
if(b_pos) /* complete any partial block */
{
while(b_pos < AES_BLOCK_SIZE && cnt < len)
{
*obuf++ = (iv[b_pos++] ^= *ibuf++);
cnt++;
}
b_pos = (b_pos == AES_BLOCK_SIZE ? 0 : b_pos);
}
if((nb = (len - cnt) >> 4) != 0) /* process whole blocks */
{
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{ int m;
uint_8t *ksp = (uint_8t*)(ctx->ks), *ivp = iv;
aligned_auto(uint_8t, liv, AES_BLOCK_SIZE, 16);
via_cwd(cwd, hybrid, enc, 2 * ctx->inf.b[0] - 192);
if(ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
if(ALIGN_OFFSET( iv, 16 )) /* ensure an aligned iv */
{
ivp = liv;
memcpy(liv, iv, AES_BLOCK_SIZE);
}
if(!ALIGN_OFFSET( ibuf, 16 ) && !ALIGN_OFFSET( obuf, 16 ))
{
via_cfb_op7(ksp, cwd, ibuf, obuf, nb, ivp, ivp);
ibuf += nb * AES_BLOCK_SIZE;
obuf += nb * AES_BLOCK_SIZE;
cnt += nb * AES_BLOCK_SIZE;
}
else /* input, output or both are unaligned */
{ aligned_auto(uint_8t, buf, BFR_BLOCKS * AES_BLOCK_SIZE, 16);
uint_8t *ip, *op;
while(nb)
{
m = (nb > BFR_BLOCKS ? BFR_BLOCKS : nb), nb -= m;
ip = (ALIGN_OFFSET( ibuf, 16 ) ? buf : ibuf);
op = (ALIGN_OFFSET( obuf, 16 ) ? buf : obuf);
if(ip != ibuf)
memcpy(buf, ibuf, m * AES_BLOCK_SIZE);
via_cfb_op7(ksp, cwd, ip, op, m, ivp, ivp);
if(op != obuf)
memcpy(obuf, buf, m * AES_BLOCK_SIZE);
ibuf += m * AES_BLOCK_SIZE;
obuf += m * AES_BLOCK_SIZE;
cnt += m * AES_BLOCK_SIZE;
}
}
if(ivp != iv)
memcpy(iv, ivp, AES_BLOCK_SIZE);
}
#else
# ifdef FAST_BUFFER_OPERATIONS
if(!ALIGN_OFFSET( ibuf, 4 ) && !ALIGN_OFFSET( obuf, 4 ) && !ALIGN_OFFSET( iv, 4 ))
while(cnt + AES_BLOCK_SIZE <= len)
{
assert(b_pos == 0);
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
lp32(obuf)[0] = lp32(iv)[0] ^= lp32(ibuf)[0];
lp32(obuf)[1] = lp32(iv)[1] ^= lp32(ibuf)[1];
lp32(obuf)[2] = lp32(iv)[2] ^= lp32(ibuf)[2];
lp32(obuf)[3] = lp32(iv)[3] ^= lp32(ibuf)[3];
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
cnt += AES_BLOCK_SIZE;
}
else
# endif
while(cnt + AES_BLOCK_SIZE <= len)
{
assert(b_pos == 0);
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
obuf[ 0] = iv[ 0] ^= ibuf[ 0]; obuf[ 1] = iv[ 1] ^= ibuf[ 1];
obuf[ 2] = iv[ 2] ^= ibuf[ 2]; obuf[ 3] = iv[ 3] ^= ibuf[ 3];
obuf[ 4] = iv[ 4] ^= ibuf[ 4]; obuf[ 5] = iv[ 5] ^= ibuf[ 5];
obuf[ 6] = iv[ 6] ^= ibuf[ 6]; obuf[ 7] = iv[ 7] ^= ibuf[ 7];
obuf[ 8] = iv[ 8] ^= ibuf[ 8]; obuf[ 9] = iv[ 9] ^= ibuf[ 9];
obuf[10] = iv[10] ^= ibuf[10]; obuf[11] = iv[11] ^= ibuf[11];
obuf[12] = iv[12] ^= ibuf[12]; obuf[13] = iv[13] ^= ibuf[13];
obuf[14] = iv[14] ^= ibuf[14]; obuf[15] = iv[15] ^= ibuf[15];
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
cnt += AES_BLOCK_SIZE;
}
#endif
}
while(cnt < len)
{
if(!b_pos && aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
while(cnt < len && b_pos < AES_BLOCK_SIZE)
{
*obuf++ = (iv[b_pos++] ^= *ibuf++);
cnt++;
}
b_pos = (b_pos == AES_BLOCK_SIZE ? 0 : b_pos);
}
ctx->inf.b[2] = (uint_8t)b_pos;
return EXIT_SUCCESS;
}
AES_RETURN aes_cfb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx ctx[1])
{ int cnt = 0, b_pos = (int)ctx->inf.b[2], nb;
if(b_pos) /* complete any partial block */
{ uint_8t t;
while(b_pos < AES_BLOCK_SIZE && cnt < len)
{
t = *ibuf++;
*obuf++ = t ^ iv[b_pos];
iv[b_pos++] = t;
cnt++;
}
b_pos = (b_pos == AES_BLOCK_SIZE ? 0 : b_pos);
}
if((nb = (len - cnt) >> 4) != 0) /* process whole blocks */
{
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{ int m;
uint_8t *ksp = (uint_8t*)(ctx->ks), *ivp = iv;
aligned_auto(uint_8t, liv, AES_BLOCK_SIZE, 16);
via_cwd(cwd, hybrid, dec, 2 * ctx->inf.b[0] - 192);
if(ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
if(ALIGN_OFFSET( iv, 16 )) /* ensure an aligned iv */
{
ivp = liv;
memcpy(liv, iv, AES_BLOCK_SIZE);
}
if(!ALIGN_OFFSET( ibuf, 16 ) && !ALIGN_OFFSET( obuf, 16 ))
{
via_cfb_op6(ksp, cwd, ibuf, obuf, nb, ivp);
ibuf += nb * AES_BLOCK_SIZE;
obuf += nb * AES_BLOCK_SIZE;
cnt += nb * AES_BLOCK_SIZE;
}
else /* input, output or both are unaligned */
{ aligned_auto(uint_8t, buf, BFR_BLOCKS * AES_BLOCK_SIZE, 16);
uint_8t *ip, *op;
while(nb)
{
m = (nb > BFR_BLOCKS ? BFR_BLOCKS : nb), nb -= m;
ip = (ALIGN_OFFSET( ibuf, 16 ) ? buf : ibuf);
op = (ALIGN_OFFSET( obuf, 16 ) ? buf : obuf);
if(ip != ibuf) /* input buffer is not aligned */
memcpy(buf, ibuf, m * AES_BLOCK_SIZE);
via_cfb_op6(ksp, cwd, ip, op, m, ivp);
if(op != obuf) /* output buffer is not aligned */
memcpy(obuf, buf, m * AES_BLOCK_SIZE);
ibuf += m * AES_BLOCK_SIZE;
obuf += m * AES_BLOCK_SIZE;
cnt += m * AES_BLOCK_SIZE;
}
}
if(ivp != iv)
memcpy(iv, ivp, AES_BLOCK_SIZE);
}
#else
# ifdef FAST_BUFFER_OPERATIONS
if(!ALIGN_OFFSET( ibuf, 4 ) && !ALIGN_OFFSET( obuf, 4 ) &&!ALIGN_OFFSET( iv, 4 ))
while(cnt + AES_BLOCK_SIZE <= len)
{ uint_32t t;
assert(b_pos == 0);
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
t = lp32(ibuf)[0], lp32(obuf)[0] = t ^ lp32(iv)[0], lp32(iv)[0] = t;
t = lp32(ibuf)[1], lp32(obuf)[1] = t ^ lp32(iv)[1], lp32(iv)[1] = t;
t = lp32(ibuf)[2], lp32(obuf)[2] = t ^ lp32(iv)[2], lp32(iv)[2] = t;
t = lp32(ibuf)[3], lp32(obuf)[3] = t ^ lp32(iv)[3], lp32(iv)[3] = t;
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
cnt += AES_BLOCK_SIZE;
}
else
# endif
while(cnt + AES_BLOCK_SIZE <= len)
{ uint_8t t;
assert(b_pos == 0);
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
t = ibuf[ 0], obuf[ 0] = t ^ iv[ 0], iv[ 0] = t;
t = ibuf[ 1], obuf[ 1] = t ^ iv[ 1], iv[ 1] = t;
t = ibuf[ 2], obuf[ 2] = t ^ iv[ 2], iv[ 2] = t;
t = ibuf[ 3], obuf[ 3] = t ^ iv[ 3], iv[ 3] = t;
t = ibuf[ 4], obuf[ 4] = t ^ iv[ 4], iv[ 4] = t;
t = ibuf[ 5], obuf[ 5] = t ^ iv[ 5], iv[ 5] = t;
t = ibuf[ 6], obuf[ 6] = t ^ iv[ 6], iv[ 6] = t;
t = ibuf[ 7], obuf[ 7] = t ^ iv[ 7], iv[ 7] = t;
t = ibuf[ 8], obuf[ 8] = t ^ iv[ 8], iv[ 8] = t;
t = ibuf[ 9], obuf[ 9] = t ^ iv[ 9], iv[ 9] = t;
t = ibuf[10], obuf[10] = t ^ iv[10], iv[10] = t;
t = ibuf[11], obuf[11] = t ^ iv[11], iv[11] = t;
t = ibuf[12], obuf[12] = t ^ iv[12], iv[12] = t;
t = ibuf[13], obuf[13] = t ^ iv[13], iv[13] = t;
t = ibuf[14], obuf[14] = t ^ iv[14], iv[14] = t;
t = ibuf[15], obuf[15] = t ^ iv[15], iv[15] = t;
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
cnt += AES_BLOCK_SIZE;
}
#endif
}
while(cnt < len)
{ uint_8t t;
if(!b_pos && aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
while(cnt < len && b_pos < AES_BLOCK_SIZE)
{
t = *ibuf++;
*obuf++ = t ^ iv[b_pos];
iv[b_pos++] = t;
cnt++;
}
b_pos = (b_pos == AES_BLOCK_SIZE ? 0 : b_pos);
}
ctx->inf.b[2] = (uint_8t)b_pos;
return EXIT_SUCCESS;
}
AES_RETURN aes_ofb_crypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx ctx[1])
{ int cnt = 0, b_pos = (int)ctx->inf.b[2], nb;
if(b_pos) /* complete any partial block */
{
while(b_pos < AES_BLOCK_SIZE && cnt < len)
{
*obuf++ = iv[b_pos++] ^ *ibuf++;
cnt++;
}
b_pos = (b_pos == AES_BLOCK_SIZE ? 0 : b_pos);
}
if((nb = (len - cnt) >> 4) != 0) /* process whole blocks */
{
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{ int m;
uint_8t *ksp = (uint_8t*)(ctx->ks), *ivp = iv;
aligned_auto(uint_8t, liv, AES_BLOCK_SIZE, 16);
via_cwd(cwd, hybrid, enc, 2 * ctx->inf.b[0] - 192);
if(ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
if(ALIGN_OFFSET( iv, 16 )) /* ensure an aligned iv */
{
ivp = liv;
memcpy(liv, iv, AES_BLOCK_SIZE);
}
if(!ALIGN_OFFSET( ibuf, 16 ) && !ALIGN_OFFSET( obuf, 16 ))
{
via_ofb_op6(ksp, cwd, ibuf, obuf, nb, ivp);
ibuf += nb * AES_BLOCK_SIZE;
obuf += nb * AES_BLOCK_SIZE;
cnt += nb * AES_BLOCK_SIZE;
}
else /* input, output or both are unaligned */
{ aligned_auto(uint_8t, buf, BFR_BLOCKS * AES_BLOCK_SIZE, 16);
uint_8t *ip, *op;
while(nb)
{
m = (nb > BFR_BLOCKS ? BFR_BLOCKS : nb), nb -= m;
ip = (ALIGN_OFFSET( ibuf, 16 ) ? buf : ibuf);
op = (ALIGN_OFFSET( obuf, 16 ) ? buf : obuf);
if(ip != ibuf)
memcpy(buf, ibuf, m * AES_BLOCK_SIZE);
via_ofb_op6(ksp, cwd, ip, op, m, ivp);
if(op != obuf)
memcpy(obuf, buf, m * AES_BLOCK_SIZE);
ibuf += m * AES_BLOCK_SIZE;
obuf += m * AES_BLOCK_SIZE;
cnt += m * AES_BLOCK_SIZE;
}
}
if(ivp != iv)
memcpy(iv, ivp, AES_BLOCK_SIZE);
}
#else
# ifdef FAST_BUFFER_OPERATIONS
if(!ALIGN_OFFSET( ibuf, 4 ) && !ALIGN_OFFSET( obuf, 4 ) && !ALIGN_OFFSET( iv, 4 ))
while(cnt + AES_BLOCK_SIZE <= len)
{
assert(b_pos == 0);
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
lp32(obuf)[0] = lp32(iv)[0] ^ lp32(ibuf)[0];
lp32(obuf)[1] = lp32(iv)[1] ^ lp32(ibuf)[1];
lp32(obuf)[2] = lp32(iv)[2] ^ lp32(ibuf)[2];
lp32(obuf)[3] = lp32(iv)[3] ^ lp32(ibuf)[3];
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
cnt += AES_BLOCK_SIZE;
}
else
# endif
while(cnt + AES_BLOCK_SIZE <= len)
{
assert(b_pos == 0);
if(aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
obuf[ 0] = iv[ 0] ^ ibuf[ 0]; obuf[ 1] = iv[ 1] ^ ibuf[ 1];
obuf[ 2] = iv[ 2] ^ ibuf[ 2]; obuf[ 3] = iv[ 3] ^ ibuf[ 3];
obuf[ 4] = iv[ 4] ^ ibuf[ 4]; obuf[ 5] = iv[ 5] ^ ibuf[ 5];
obuf[ 6] = iv[ 6] ^ ibuf[ 6]; obuf[ 7] = iv[ 7] ^ ibuf[ 7];
obuf[ 8] = iv[ 8] ^ ibuf[ 8]; obuf[ 9] = iv[ 9] ^ ibuf[ 9];
obuf[10] = iv[10] ^ ibuf[10]; obuf[11] = iv[11] ^ ibuf[11];
obuf[12] = iv[12] ^ ibuf[12]; obuf[13] = iv[13] ^ ibuf[13];
obuf[14] = iv[14] ^ ibuf[14]; obuf[15] = iv[15] ^ ibuf[15];
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
cnt += AES_BLOCK_SIZE;
}
#endif
}
while(cnt < len)
{
if(!b_pos && aes_encrypt(iv, iv, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
while(cnt < len && b_pos < AES_BLOCK_SIZE)
{
*obuf++ = iv[b_pos++] ^ *ibuf++;
cnt++;
}
b_pos = (b_pos == AES_BLOCK_SIZE ? 0 : b_pos);
}
ctx->inf.b[2] = (uint_8t)b_pos;
return EXIT_SUCCESS;
}
#define BFR_LENGTH (BFR_BLOCKS * AES_BLOCK_SIZE)
AES_RETURN aes_ctr_crypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *cbuf, cbuf_inc ctr_inc, aes_encrypt_ctx ctx[1])
{ unsigned char *ip;
int i, blen, b_pos = (int)(ctx->inf.b[2]);
#if defined( USE_VIA_ACE_IF_PRESENT )
aligned_auto(uint_8t, buf, BFR_LENGTH, 16);
if(ctx->inf.b[1] == 0xff && ALIGN_OFFSET( ctx, 16 ))
return EXIT_FAILURE;
#else
uint_8t buf[BFR_LENGTH];
#endif
if(b_pos)
{
memcpy(buf, cbuf, AES_BLOCK_SIZE);
if(aes_ecb_encrypt(buf, buf, AES_BLOCK_SIZE, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
while(b_pos < AES_BLOCK_SIZE && len)
{
*obuf++ = *ibuf++ ^ buf[b_pos++];
--len;
}
if(len)
ctr_inc(cbuf), b_pos = 0;
}
while(len)
{
blen = (len > BFR_LENGTH ? BFR_LENGTH : len), len -= blen;
for(i = 0, ip = buf; i < (blen >> 4); ++i)
{
memcpy(ip, cbuf, AES_BLOCK_SIZE);
ctr_inc(cbuf);
ip += AES_BLOCK_SIZE;
}
if(blen & (AES_BLOCK_SIZE - 1))
memcpy(ip, cbuf, AES_BLOCK_SIZE), i++;
#if defined( USE_VIA_ACE_IF_PRESENT )
if(ctx->inf.b[1] == 0xff)
{
via_cwd(cwd, hybrid, enc, 2 * ctx->inf.b[0] - 192);
via_ecb_op5((ctx->ks), cwd, buf, buf, i);
}
else
#endif
if(aes_ecb_encrypt(buf, buf, i * AES_BLOCK_SIZE, ctx) != EXIT_SUCCESS)
return EXIT_FAILURE;
i = 0; ip = buf;
# ifdef FAST_BUFFER_OPERATIONS
if(!ALIGN_OFFSET( ibuf, 4 ) && !ALIGN_OFFSET( obuf, 4 ) && !ALIGN_OFFSET( ip, 4 ))
while(i + AES_BLOCK_SIZE <= blen)
{
lp32(obuf)[0] = lp32(ibuf)[0] ^ lp32(ip)[0];
lp32(obuf)[1] = lp32(ibuf)[1] ^ lp32(ip)[1];
lp32(obuf)[2] = lp32(ibuf)[2] ^ lp32(ip)[2];
lp32(obuf)[3] = lp32(ibuf)[3] ^ lp32(ip)[3];
i += AES_BLOCK_SIZE;
ip += AES_BLOCK_SIZE;
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
else
#endif
while(i + AES_BLOCK_SIZE <= blen)
{
obuf[ 0] = ibuf[ 0] ^ ip[ 0]; obuf[ 1] = ibuf[ 1] ^ ip[ 1];
obuf[ 2] = ibuf[ 2] ^ ip[ 2]; obuf[ 3] = ibuf[ 3] ^ ip[ 3];
obuf[ 4] = ibuf[ 4] ^ ip[ 4]; obuf[ 5] = ibuf[ 5] ^ ip[ 5];
obuf[ 6] = ibuf[ 6] ^ ip[ 6]; obuf[ 7] = ibuf[ 7] ^ ip[ 7];
obuf[ 8] = ibuf[ 8] ^ ip[ 8]; obuf[ 9] = ibuf[ 9] ^ ip[ 9];
obuf[10] = ibuf[10] ^ ip[10]; obuf[11] = ibuf[11] ^ ip[11];
obuf[12] = ibuf[12] ^ ip[12]; obuf[13] = ibuf[13] ^ ip[13];
obuf[14] = ibuf[14] ^ ip[14]; obuf[15] = ibuf[15] ^ ip[15];
i += AES_BLOCK_SIZE;
ip += AES_BLOCK_SIZE;
ibuf += AES_BLOCK_SIZE;
obuf += AES_BLOCK_SIZE;
}
while(i++ < blen)
*obuf++ = *ibuf++ ^ ip[b_pos++];
}
ctx->inf.b[2] = (uint_8t)b_pos;
return EXIT_SUCCESS;
}
#if defined(__cplusplus)
}
#endif
#endif

529
src/java/KP2AKdbLibrary/jni/aes/aes_via_ace.h Normal file
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@ -0,0 +1,529 @@
/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/20077
*/
#ifndef AES_VIA_ACE_H
#define AES_VIA_ACE_H
#if defined( _MSC_VER )
# define INLINE __inline
#elif defined( __GNUC__ )
# define INLINE static inline
#else
# error VIA ACE requires Microsoft or GNU C
#endif
#define NEH_GENERATE 1
#define NEH_LOAD 2
#define NEH_HYBRID 3
#define MAX_READ_ATTEMPTS 1000
/* VIA Nehemiah RNG and ACE Feature Mask Values */
#define NEH_CPU_IS_VIA 0x00000001
#define NEH_CPU_READ 0x00000010
#define NEH_CPU_MASK 0x00000011
#define NEH_RNG_PRESENT 0x00000004
#define NEH_RNG_ENABLED 0x00000008
#define NEH_ACE_PRESENT 0x00000040
#define NEH_ACE_ENABLED 0x00000080
#define NEH_RNG_FLAGS (NEH_RNG_PRESENT | NEH_RNG_ENABLED)
#define NEH_ACE_FLAGS (NEH_ACE_PRESENT | NEH_ACE_ENABLED)
#define NEH_FLAGS_MASK (NEH_RNG_FLAGS | NEH_ACE_FLAGS)
/* VIA Nehemiah Advanced Cryptography Engine (ACE) Control Word Values */
#define NEH_GEN_KEY 0x00000000 /* generate key schedule */
#define NEH_LOAD_KEY 0x00000080 /* load schedule from memory */
#define NEH_ENCRYPT 0x00000000 /* encryption */
#define NEH_DECRYPT 0x00000200 /* decryption */
#define NEH_KEY128 0x00000000+0x0a /* 128 bit key */
#define NEH_KEY192 0x00000400+0x0c /* 192 bit key */
#define NEH_KEY256 0x00000800+0x0e /* 256 bit key */
#define NEH_ENC_GEN (NEH_ENCRYPT | NEH_GEN_KEY)
#define NEH_DEC_GEN (NEH_DECRYPT | NEH_GEN_KEY)
#define NEH_ENC_LOAD (NEH_ENCRYPT | NEH_LOAD_KEY)
#define NEH_DEC_LOAD (NEH_DECRYPT | NEH_LOAD_KEY)
#define NEH_ENC_GEN_DATA {\
NEH_ENC_GEN | NEH_KEY128, 0, 0, 0,\
NEH_ENC_GEN | NEH_KEY192, 0, 0, 0,\
NEH_ENC_GEN | NEH_KEY256, 0, 0, 0 }
#define NEH_ENC_LOAD_DATA {\
NEH_ENC_LOAD | NEH_KEY128, 0, 0, 0,\
NEH_ENC_LOAD | NEH_KEY192, 0, 0, 0,\
NEH_ENC_LOAD | NEH_KEY256, 0, 0, 0 }
#define NEH_ENC_HYBRID_DATA {\
NEH_ENC_GEN | NEH_KEY128, 0, 0, 0,\
NEH_ENC_LOAD | NEH_KEY192, 0, 0, 0,\
NEH_ENC_LOAD | NEH_KEY256, 0, 0, 0 }
#define NEH_DEC_GEN_DATA {\
NEH_DEC_GEN | NEH_KEY128, 0, 0, 0,\
NEH_DEC_GEN | NEH_KEY192, 0, 0, 0,\
NEH_DEC_GEN | NEH_KEY256, 0, 0, 0 }
#define NEH_DEC_LOAD_DATA {\
NEH_DEC_LOAD | NEH_KEY128, 0, 0, 0,\
NEH_DEC_LOAD | NEH_KEY192, 0, 0, 0,\
NEH_DEC_LOAD | NEH_KEY256, 0, 0, 0 }
#define NEH_DEC_HYBRID_DATA {\
NEH_DEC_GEN | NEH_KEY128, 0, 0, 0,\
NEH_DEC_LOAD | NEH_KEY192, 0, 0, 0,\
NEH_DEC_LOAD | NEH_KEY256, 0, 0, 0 }
#define neh_enc_gen_key(x) ((x) == 128 ? (NEH_ENC_GEN | NEH_KEY128) : \
(x) == 192 ? (NEH_ENC_GEN | NEH_KEY192) : (NEH_ENC_GEN | NEH_KEY256))
#define neh_enc_load_key(x) ((x) == 128 ? (NEH_ENC_LOAD | NEH_KEY128) : \
(x) == 192 ? (NEH_ENC_LOAD | NEH_KEY192) : (NEH_ENC_LOAD | NEH_KEY256))
#define neh_enc_hybrid_key(x) ((x) == 128 ? (NEH_ENC_GEN | NEH_KEY128) : \
(x) == 192 ? (NEH_ENC_LOAD | NEH_KEY192) : (NEH_ENC_LOAD | NEH_KEY256))
#define neh_dec_gen_key(x) ((x) == 128 ? (NEH_DEC_GEN | NEH_KEY128) : \
(x) == 192 ? (NEH_DEC_GEN | NEH_KEY192) : (NEH_DEC_GEN | NEH_KEY256))
#define neh_dec_load_key(x) ((x) == 128 ? (NEH_DEC_LOAD | NEH_KEY128) : \
(x) == 192 ? (NEH_DEC_LOAD | NEH_KEY192) : (NEH_DEC_LOAD | NEH_KEY256))
#define neh_dec_hybrid_key(x) ((x) == 128 ? (NEH_DEC_GEN | NEH_KEY128) : \
(x) == 192 ? (NEH_DEC_LOAD | NEH_KEY192) : (NEH_DEC_LOAD | NEH_KEY256))
#if defined( _MSC_VER ) && ( _MSC_VER > 1200 )
#define aligned_auto(type, name, no, stride) __declspec(align(stride)) type name[no]
#else
#define aligned_auto(type, name, no, stride) \
unsigned char _##name[no * sizeof(type) + stride]; \
type *name = (type*)(16 * ((((unsigned long)(_##name)) + stride - 1) / stride))
#endif
#if defined( _MSC_VER ) && ( _MSC_VER > 1200 )
#define aligned_array(type, name, no, stride) __declspec(align(stride)) type name[no]
#elif defined( __GNUC__ )
#define aligned_array(type, name, no, stride) type name[no] __attribute__ ((aligned(stride)))
#else
#define aligned_array(type, name, no, stride) type name[no]
#endif
/* VIA ACE codeword */
static unsigned char via_flags = 0;
#if defined ( _MSC_VER ) && ( _MSC_VER > 800 )
#define NEH_REKEY __asm pushfd __asm popfd
#define NEH_AES __asm _emit 0xf3 __asm _emit 0x0f __asm _emit 0xa7
#define NEH_ECB NEH_AES __asm _emit 0xc8
#define NEH_CBC NEH_AES __asm _emit 0xd0
#define NEH_CFB NEH_AES __asm _emit 0xe0
#define NEH_OFB NEH_AES __asm _emit 0xe8
#define NEH_RNG __asm _emit 0x0f __asm _emit 0xa7 __asm _emit 0xc0
INLINE int has_cpuid(void)
{ char ret_value;
__asm
{ pushfd /* save EFLAGS register */
mov eax,[esp] /* copy it to eax */
mov edx,0x00200000 /* CPUID bit position */
xor eax,edx /* toggle the CPUID bit */
push eax /* attempt to set EFLAGS to */
popfd /* the new value */
pushfd /* get the new EFLAGS value */
pop eax /* into eax */
xor eax,[esp] /* xor with original value */
and eax,edx /* has CPUID bit changed? */
setne al /* set to 1 if we have been */
mov ret_value,al /* able to change it */
popfd /* restore original EFLAGS */
}
return (int)ret_value;
}
INLINE int is_via_cpu(void)
{ char ret_value;
__asm
{ xor eax,eax /* use CPUID to get vendor */
cpuid /* identity string */
xor eax,eax /* is it "CentaurHauls" ? */
sub ebx,0x746e6543 /* 'Cent' */
or eax,ebx
sub edx,0x48727561 /* 'aurH' */
or eax,edx
sub ecx,0x736c7561 /* 'auls' */
or eax,ecx
sete al /* set to 1 if it is VIA ID */
mov dl,NEH_CPU_READ /* mark CPU type as read */
or dl,al /* & store result in flags */
mov [via_flags],dl /* set VIA detected flag */
mov ret_value,al /* able to change it */
}
return (int)ret_value;
}
INLINE int read_via_flags(void)
{ char ret_value = 0;
__asm
{
mov eax,0xC0000000 /* Centaur extended CPUID */
cpuid
mov edx,0xc0000001 /* >= 0xc0000001 if support */
cmp eax,edx /* for VIA extended feature */
jnae no_rng /* flags is available */
mov eax,edx /* read Centaur extended */
cpuid /* feature flags */
mov eax,NEH_FLAGS_MASK /* mask out and save */
and eax,edx /* the RNG and ACE flags */
or [via_flags],al /* present & enabled flags */
mov ret_value,al /* able to change it */
no_rng:
}
return (int)ret_value;
}
INLINE unsigned int via_rng_in(void *buf)
{ char ret_value = 0x1f;
__asm
{
push edi
mov edi,buf /* input buffer address */
xor edx,edx /* try to fetch 8 bytes */
NEH_RNG /* do RNG read operation */
and ret_value,al /* count of bytes returned */
pop edi
}
return (int)ret_value;
}
INLINE void via_ecb_op5(
const void *k, const void *c, const void *s, void *d, int l)
{ __asm
{
NEH_REKEY
mov ebx, (k)
mov edx, (c)
mov esi, (s)
mov edi, (d)
mov ecx, (l)
NEH_ECB
}
}
INLINE void via_cbc_op6(
const void *k, const void *c, const void *s, void *d, int l, void *v)
{ __asm
{
NEH_REKEY
mov ebx, (k)
mov edx, (c)
mov esi, (s)
mov edi, (d)
mov ecx, (l)
mov eax, (v)
NEH_CBC
}
}
INLINE void via_cbc_op7(
const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
{ __asm
{
NEH_REKEY
mov ebx, (k)
mov edx, (c)
mov esi, (s)
mov edi, (d)
mov ecx, (l)
mov eax, (v)
NEH_CBC
mov esi, eax
mov edi, (w)
movsd
movsd
movsd
movsd
}
}
INLINE void via_cfb_op6(
const void *k, const void *c, const void *s, void *d, int l, void *v)
{ __asm
{
NEH_REKEY
mov ebx, (k)
mov edx, (c)
mov esi, (s)
mov edi, (d)
mov ecx, (l)
mov eax, (v)
NEH_CFB
}
}
INLINE void via_cfb_op7(
const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
{ __asm
{
NEH_REKEY
mov ebx, (k)
mov edx, (c)
mov esi, (s)
mov edi, (d)
mov ecx, (l)
mov eax, (v)
NEH_CFB
mov esi, eax
mov edi, (w)
movsd
movsd
movsd
movsd
}
}
INLINE void via_ofb_op6(
const void *k, const void *c, const void *s, void *d, int l, void *v)
{ __asm
{
NEH_REKEY
mov ebx, (k)
mov edx, (c)
mov esi, (s)
mov edi, (d)
mov ecx, (l)
mov eax, (v)
NEH_OFB
}
}
#elif defined( __GNUC__ )
#define NEH_REKEY asm("pushfl\n popfl\n\t")
#define NEH_ECB asm(".byte 0xf3, 0x0f, 0xa7, 0xc8\n\t")
#define NEH_CBC asm(".byte 0xf3, 0x0f, 0xa7, 0xd0\n\t")
#define NEH_CFB asm(".byte 0xf3, 0x0f, 0xa7, 0xe0\n\t")
#define NEH_OFB asm(".byte 0xf3, 0x0f, 0xa7, 0xe8\n\t")
#define NEH_RNG asm(".byte 0x0f, 0xa7, 0xc0\n\t");
INLINE int has_cpuid(void)
{ int val;
asm("pushfl\n\t");
asm("movl 0(%esp),%eax\n\t");
asm("xor $0x00200000,%eax\n\t");
asm("pushl %eax\n\t");
asm("popfl\n\t");
asm("pushfl\n\t");
asm("popl %eax\n\t");
asm("xorl 0(%esp),%edx\n\t");
asm("andl $0x00200000,%eax\n\t");
asm("movl %%eax,%0\n\t" : "=m" (val));
asm("popfl\n\t");
return val ? 1 : 0;
}
INLINE int is_via_cpu(void)
{ int val;
asm("xorl %eax,%eax\n\t");
asm("cpuid\n\t");
asm("xorl %eax,%eax\n\t");
asm("subl $0x746e6543,%ebx\n\t");
asm("orl %ebx,%eax\n\t");
asm("subl $0x48727561,%edx\n\t");
asm("orl %edx,%eax\n\t");
asm("subl $0x736c7561,%ecx\n\t");
asm("orl %ecx,%eax\n\t");
asm("movl %%eax,%0\n\t" : "=m" (val));
val = (val ? 0 : 1);
via_flags = (val | NEH_CPU_READ);
return val;
}
INLINE int read_via_flags(void)
{ unsigned char val;
asm("movl $0xc0000000,%eax\n\t");
asm("cpuid\n\t");
asm("movl $0xc0000001,%edx\n\t");
asm("cmpl %edx,%eax\n\t");
asm("setae %al\n\t");
asm("movb %%al,%0\n\t" : "=m" (val));
if(!val) return 0;
asm("movl $0xc0000001,%eax\n\t");
asm("cpuid\n\t");
asm("movb %%dl,%0\n\t" : "=m" (val));
val &= NEH_FLAGS_MASK;
via_flags |= val;
return (int) val;
}
INLINE int via_rng_in(void *buf)
{ int val;
asm("pushl %edi\n\t");
asm("movl %0,%%edi\n\t" : : "m" (buf));
asm("xorl %edx,%edx\n\t");
NEH_RNG
asm("andl $0x0000001f,%eax\n\t");
asm("movl %%eax,%0\n\t" : "=m" (val));
asm("popl %edi\n\t");
return val;
}
INLINE volatile void via_ecb_op5(
const void *k, const void *c, const void *s, void *d, int l)
{
NEH_REKEY;
asm("movl %0, %%ebx\n\t" : : "m" (k));
asm("movl %0, %%edx\n\t" : : "m" (c));
asm("movl %0, %%esi\n\t" : : "m" (s));
asm("movl %0, %%edi\n\t" : : "m" (d));
asm("movl %0, %%ecx\n\t" : : "m" (l));
NEH_ECB;
}
INLINE volatile void via_cbc_op6(
const void *k, const void *c, const void *s, void *d, int l, void *v)
{
NEH_REKEY;
asm("movl %0, %%ebx\n\t" : : "m" (k));
asm("movl %0, %%edx\n\t" : : "m" (c));
asm("movl %0, %%esi\n\t" : : "m" (s));
asm("movl %0, %%edi\n\t" : : "m" (d));
asm("movl %0, %%ecx\n\t" : : "m" (l));
asm("movl %0, %%eax\n\t" : : "m" (v));
NEH_CBC;
}
INLINE volatile void via_cbc_op7(
const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
{
NEH_REKEY;
asm("movl %0, %%ebx\n\t" : : "m" (k));
asm("movl %0, %%edx\n\t" : : "m" (c));
asm("movl %0, %%esi\n\t" : : "m" (s));
asm("movl %0, %%edi\n\t" : : "m" (d));
asm("movl %0, %%ecx\n\t" : : "m" (l));
asm("movl %0, %%eax\n\t" : : "m" (v));
NEH_CBC;
asm("movl %eax,%esi\n\t");
asm("movl %0, %%edi\n\t" : : "m" (w));
asm("movsl; movsl; movsl; movsl\n\t");
}
INLINE volatile void via_cfb_op6(
const void *k, const void *c, const void *s, void *d, int l, void *v)
{
NEH_REKEY;
asm("movl %0, %%ebx\n\t" : : "m" (k));
asm("movl %0, %%edx\n\t" : : "m" (c));
asm("movl %0, %%esi\n\t" : : "m" (s));
asm("movl %0, %%edi\n\t" : : "m" (d));
asm("movl %0, %%ecx\n\t" : : "m" (l));
asm("movl %0, %%eax\n\t" : : "m" (v));
NEH_CFB;
}
INLINE volatile void via_cfb_op7(
const void *k, const void *c, const void *s, void *d, int l, void *v, void *w)
{
NEH_REKEY;
asm("movl %0, %%ebx\n\t" : : "m" (k));
asm("movl %0, %%edx\n\t" : : "m" (c));
asm("movl %0, %%esi\n\t" : : "m" (s));
asm("movl %0, %%edi\n\t" : : "m" (d));
asm("movl %0, %%ecx\n\t" : : "m" (l));
asm("movl %0, %%eax\n\t" : : "m" (v));
NEH_CFB;
asm("movl %eax,%esi\n\t");
asm("movl %0, %%edi\n\t" : : "m" (w));
asm("movsl; movsl; movsl; movsl\n\t");
}
INLINE volatile void via_ofb_op6(
const void *k, const void *c, const void *s, void *d, int l, void *v)
{
NEH_REKEY;
asm("movl %0, %%ebx\n\t" : : "m" (k));
asm("movl %0, %%edx\n\t" : : "m" (c));
asm("movl %0, %%esi\n\t" : : "m" (s));
asm("movl %0, %%edi\n\t" : : "m" (d));
asm("movl %0, %%ecx\n\t" : : "m" (l));
asm("movl %0, %%eax\n\t" : : "m" (v));
NEH_OFB;
}
#else
#error VIA ACE is not available with this compiler
#endif
INLINE int via_ace_test(void)
{
return has_cpuid() && is_via_cpu() && ((read_via_flags() & NEH_ACE_FLAGS) == NEH_ACE_FLAGS);
}
#define VIA_ACE_AVAILABLE (((via_flags & NEH_ACE_FLAGS) == NEH_ACE_FLAGS) \
|| (via_flags & NEH_CPU_READ) && (via_flags & NEH_CPU_IS_VIA) || via_ace_test())
INLINE int via_rng_test(void)
{
return has_cpuid() && is_via_cpu() && ((read_via_flags() & NEH_RNG_FLAGS) == NEH_RNG_FLAGS);
}
#define VIA_RNG_AVAILABLE (((via_flags & NEH_RNG_FLAGS) == NEH_RNG_FLAGS) \
|| (via_flags & NEH_CPU_READ) && (via_flags & NEH_CPU_IS_VIA) || via_rng_test())
INLINE int read_via_rng(void *buf, int count)
{ int nbr, max_reads, lcnt = count;
unsigned char *p, *q;
aligned_auto(unsigned char, bp, 64, 16);
if(!VIA_RNG_AVAILABLE)
return 0;
do
{
max_reads = MAX_READ_ATTEMPTS;
do
nbr = via_rng_in(bp);
while
(nbr == 0 && --max_reads);
lcnt -= nbr;
p = (unsigned char*)buf; q = bp;
while(nbr--)
*p++ = *q++;
}
while
(lcnt && max_reads);
return count - lcnt;
}
#endif

644
src/java/KP2AKdbLibrary/jni/aes/aes_x86_v1.asm Normal file
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; ---------------------------------------------------------------------------
; Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
;
; LICENSE TERMS
;
; The redistribution and use of this software (with or without changes)
; is allowed without the payment of fees or royalties provided that:
;
; 1. source code distributions include the above copyright notice, this
; list of conditions and the following disclaimer;
;
; 2. binary distributions include the above copyright notice, this list
; of conditions and the following disclaimer in their documentation;
;
; 3. the name of the copyright holder is not used to endorse products
; built using this software without specific written permission.
;
; DISCLAIMER
;
; This software is provided 'as is' with no explicit or implied warranties
; in respect of its properties, including, but not limited to, correctness
; and/or fitness for purpose.
; ---------------------------------------------------------------------------
; Issue 13/08/2008
;
; This code requires ASM_X86_V1C to be set in aesopt.h. It requires the C files
; aeskey.c and aestab.c for support.
; An AES implementation for x86 processors using the YASM (or NASM) assembler.
; This is an assembler implementation that covers encryption and decryption
; only and is intended as a replacement of the C file aescrypt.c. It hence
; requires the file aeskey.c for keying and aestab.c for the AES tables. It
; employs full tables rather than compressed tables.
; This code provides the standard AES block size (128 bits, 16 bytes) and the
; three standard AES key sizes (128, 192 and 256 bits). It has the same call
; interface as my C implementation. The ebx, esi, edi and ebp registers are
; preserved across calls but eax, ecx and edx and the artihmetic status flags
; are not. It is also important that the defines below match those used in the
; C code. This code uses the VC++ register saving conentions; if it is used
; with another compiler, conventions for using and saving registers may need to
; be checked (and calling conventions). The YASM command line for the VC++
; custom build step is:
;
; yasm -Xvc -f win32 -o "$(TargetDir)\$(InputName).obj" "$(InputPath)"
;
; The calling intefaces are:
;
; AES_RETURN aes_encrypt(const unsigned char in_blk[],
; unsigned char out_blk[], const aes_encrypt_ctx cx[1]);
;
; AES_RETURN aes_decrypt(const unsigned char in_blk[],
; unsigned char out_blk[], const aes_decrypt_ctx cx[1]);
;
; AES_RETURN aes_encrypt_key<NNN>(const unsigned char key[],
; const aes_encrypt_ctx cx[1]);
;
; AES_RETURN aes_decrypt_key<NNN>(const unsigned char key[],
; const aes_decrypt_ctx cx[1]);
;
; AES_RETURN aes_encrypt_key(const unsigned char key[],
; unsigned int len, const aes_decrypt_ctx cx[1]);
;
; AES_RETURN aes_decrypt_key(const unsigned char key[],
; unsigned int len, const aes_decrypt_ctx cx[1]);
;
; where <NNN> is 128, 102 or 256. In the last two calls the length can be in
; either bits or bytes.
;
; Comment in/out the following lines to obtain the desired subroutines. These
; selections MUST match those in the C header file aes.h
%define AES_128 ; define if AES with 128 bit keys is needed
%define AES_192 ; define if AES with 192 bit keys is needed
%define AES_256 ; define if AES with 256 bit keys is needed
%define AES_VAR ; define if a variable key size is needed
%define ENCRYPTION ; define if encryption is needed
%define DECRYPTION ; define if decryption is needed
%define AES_REV_DKS ; define if key decryption schedule is reversed
%define LAST_ROUND_TABLES ; define if tables are to be used for last round
; offsets to parameters
in_blk equ 4 ; input byte array address parameter
out_blk equ 8 ; output byte array address parameter
ctx equ 12 ; AES context structure
stk_spc equ 20 ; stack space
%define parms 12 ; parameter space on stack
; The encryption key schedule has the following in memory layout where N is the
; number of rounds (10, 12 or 14):
;
; lo: | input key (round 0) | ; each round is four 32-bit words
; | encryption round 1 |
; | encryption round 2 |
; ....
; | encryption round N-1 |
; hi: | encryption round N |
;
; The decryption key schedule is normally set up so that it has the same
; layout as above by actually reversing the order of the encryption key
; schedule in memory (this happens when AES_REV_DKS is set):
;
; lo: | decryption round 0 | = | encryption round N |
; | decryption round 1 | = INV_MIX_COL[ | encryption round N-1 | ]
; | decryption round 2 | = INV_MIX_COL[ | encryption round N-2 | ]
; .... ....
; | decryption round N-1 | = INV_MIX_COL[ | encryption round 1 | ]
; hi: | decryption round N | = | input key (round 0) |
;
; with rounds except the first and last modified using inv_mix_column()
; But if AES_REV_DKS is NOT set the order of keys is left as it is for
; encryption so that it has to be accessed in reverse when used for
; decryption (although the inverse mix column modifications are done)
;
; lo: | decryption round 0 | = | input key (round 0) |
; | decryption round 1 | = INV_MIX_COL[ | encryption round 1 | ]
; | decryption round 2 | = INV_MIX_COL[ | encryption round 2 | ]
; .... ....
; | decryption round N-1 | = INV_MIX_COL[ | encryption round N-1 | ]
; hi: | decryption round N | = | encryption round N |
;
; This layout is faster when the assembler key scheduling provided here
; is used.
;
; The DLL interface must use the _stdcall convention in which the number
; of bytes of parameter space is added after an @ to the sutine's name.
; We must also remove our parameters from the stack before return (see
; the do_exit macro). Define DLL_EXPORT for the Dynamic Link Library version.
;%define DLL_EXPORT
; End of user defines
%ifdef AES_VAR
%ifndef AES_128
%define AES_128
%endif
%ifndef AES_192
%define AES_192
%endif
%ifndef AES_256
%define AES_256
%endif
%endif
%ifdef AES_VAR
%define KS_LENGTH 60
%elifdef AES_256
%define KS_LENGTH 60
%elifdef AES_192
%define KS_LENGTH 52
%else
%define KS_LENGTH 44
%endif
; These macros implement stack based local variables
%macro save 2
mov [esp+4*%1],%2
%endmacro
%macro restore 2
mov %1,[esp+4*%2]
%endmacro
; the DLL has to implement the _stdcall calling interface on return
; In this case we have to take our parameters (3 4-byte pointers)
; off the stack
%macro do_name 1-2 parms
%ifndef DLL_EXPORT
global %1
%1:
%else
global %1@%2
export %1@%2
%1@%2:
%endif
%endmacro
%macro do_call 1-2 parms
%ifndef DLL_EXPORT
call %1
add esp,%2
%else
call %1@%2
%endif
%endmacro
%macro do_exit 0-1 parms
%ifdef DLL_EXPORT
ret %1
%else
ret
%endif
%endmacro
%ifdef ENCRYPTION
extern _t_fn
%define etab_0(x) [_t_fn+4*x]
%define etab_1(x) [_t_fn+1024+4*x]
%define etab_2(x) [_t_fn+2048+4*x]
%define etab_3(x) [_t_fn+3072+4*x]
%ifdef LAST_ROUND_TABLES
extern _t_fl
%define eltab_0(x) [_t_fl+4*x]
%define eltab_1(x) [_t_fl+1024+4*x]
%define eltab_2(x) [_t_fl+2048+4*x]
%define eltab_3(x) [_t_fl+3072+4*x]
%else
%define etab_b(x) byte [_t_fn+3072+4*x]
%endif
; ROUND FUNCTION. Build column[2] on ESI and column[3] on EDI that have the
; round keys pre-loaded. Build column[0] in EBP and column[1] in EBX.
;
; Input:
;
; EAX column[0]
; EBX column[1]
; ECX column[2]
; EDX column[3]
; ESI column key[round][2]
; EDI column key[round][3]
; EBP scratch
;
; Output:
;
; EBP column[0] unkeyed
; EBX column[1] unkeyed
; ESI column[2] keyed
; EDI column[3] keyed
; EAX scratch
; ECX scratch
; EDX scratch
%macro rnd_fun 2
rol ebx,16
%1 esi, cl, 0, ebp
%1 esi, dh, 1, ebp
%1 esi, bh, 3, ebp
%1 edi, dl, 0, ebp
%1 edi, ah, 1, ebp
%1 edi, bl, 2, ebp
%2 ebp, al, 0, ebp
shr ebx,16
and eax,0xffff0000
or eax,ebx
shr edx,16
%1 ebp, ah, 1, ebx
%1 ebp, dh, 3, ebx
%2 ebx, dl, 2, ebx
%1 ebx, ch, 1, edx
%1 ebx, al, 0, edx
shr eax,16
shr ecx,16
%1 ebp, cl, 2, edx
%1 edi, ch, 3, edx
%1 esi, al, 2, edx
%1 ebx, ah, 3, edx
%endmacro
; Basic MOV and XOR Operations for normal rounds
%macro nr_xor 4
movzx %4,%2
xor %1,etab_%3(%4)
%endmacro
%macro nr_mov 4
movzx %4,%2
mov %1,etab_%3(%4)
%endmacro
; Basic MOV and XOR Operations for last round
%ifdef LAST_ROUND_TABLES
%macro lr_xor 4
movzx %4,%2
xor %1,eltab_%3(%4)
%endmacro
%macro lr_mov 4
movzx %4,%2
mov %1,eltab_%3(%4)
%endmacro
%else
%macro lr_xor 4
movzx %4,%2
movzx %4,etab_b(%4)
%if %3 != 0
shl %4,8*%3
%endif
xor %1,%4
%endmacro
%macro lr_mov 4
movzx %4,%2
movzx %1,etab_b(%4)
%if %3 != 0
shl %1,8*%3
%endif
%endmacro
%endif
%macro enc_round 0
add ebp,16
save 0,ebp
mov esi,[ebp+8]
mov edi,[ebp+12]
rnd_fun nr_xor, nr_mov
mov eax,ebp
mov ecx,esi
mov edx,edi
restore ebp,0
xor eax,[ebp]
xor ebx,[ebp+4]
%endmacro
%macro enc_last_round 0
add ebp,16
save 0,ebp
mov esi,[ebp+8]
mov edi,[ebp+12]
rnd_fun lr_xor, lr_mov
mov eax,ebp
restore ebp,0
xor eax,[ebp]
xor ebx,[ebp+4]
%endmacro
section .text align=32
; AES Encryption Subroutine
align 32
do_name _aes_encrypt
sub esp,stk_spc
mov [esp+16],ebp
mov [esp+12],ebx
mov [esp+ 8],esi
mov [esp+ 4],edi
mov esi,[esp+in_blk+stk_spc] ; input pointer
mov eax,[esi ]
mov ebx,[esi+ 4]
mov ecx,[esi+ 8]
mov edx,[esi+12]
mov ebp,[esp+ctx+stk_spc] ; key pointer
movzx edi,byte [ebp+4*KS_LENGTH]
xor eax,[ebp ]
xor ebx,[ebp+ 4]
xor ecx,[ebp+ 8]
xor edx,[ebp+12]
; determine the number of rounds
cmp edi,10*16
je .3
cmp edi,12*16
je .2
cmp edi,14*16
je .1
mov eax,-1
jmp .5
.1: enc_round
enc_round
.2: enc_round
enc_round
.3: enc_round
enc_round
enc_round
enc_round
enc_round
enc_round
enc_round
enc_round
enc_round
enc_last_round
mov edx,[esp+out_blk+stk_spc]
mov [edx],eax
mov [edx+4],ebx
mov [edx+8],esi
mov [edx+12],edi
xor eax,eax
.5: mov ebp,[esp+16]
mov ebx,[esp+12]
mov esi,[esp+ 8]
mov edi,[esp+ 4]
add esp,stk_spc
do_exit
%endif
%ifdef DECRYPTION
extern _t_in
%define dtab_0(x) [_t_in+4*x]
%define dtab_1(x) [_t_in+1024+4*x]
%define dtab_2(x) [_t_in+2048+4*x]
%define dtab_3(x) [_t_in+3072+4*x]
%ifdef LAST_ROUND_TABLES
extern _t_il
%define dltab_0(x) [_t_il+4*x]
%define dltab_1(x) [_t_il+1024+4*x]
%define dltab_2(x) [_t_il+2048+4*x]
%define dltab_3(x) [_t_il+3072+4*x]
%else
extern _t_ibox
%define dtab_x(x) byte [_t_ibox+x]
%endif
%macro irn_fun 2
rol eax,16
%1 esi, cl, 0, ebp
%1 esi, bh, 1, ebp
%1 esi, al, 2, ebp
%1 edi, dl, 0, ebp
%1 edi, ch, 1, ebp
%1 edi, ah, 3, ebp
%2 ebp, bl, 0, ebp
shr eax,16
and ebx,0xffff0000
or ebx,eax
shr ecx,16
%1 ebp, bh, 1, eax
%1 ebp, ch, 3, eax
%2 eax, cl, 2, ecx
%1 eax, bl, 0, ecx
%1 eax, dh, 1, ecx
shr ebx,16
shr edx,16
%1 esi, dh, 3, ecx
%1 ebp, dl, 2, ecx
%1 eax, bh, 3, ecx
%1 edi, bl, 2, ecx
%endmacro
; Basic MOV and XOR Operations for normal rounds
%macro ni_xor 4
movzx %4,%2
xor %1,dtab_%3(%4)
%endmacro
%macro ni_mov 4
movzx %4,%2
mov %1,dtab_%3(%4)
%endmacro
; Basic MOV and XOR Operations for last round
%ifdef LAST_ROUND_TABLES
%macro li_xor 4
movzx %4,%2
xor %1,dltab_%3(%4)
%endmacro
%macro li_mov 4
movzx %4,%2
mov %1,dltab_%3(%4)
%endmacro
%else
%macro li_xor 4
movzx %4,%2
movzx %4,dtab_x(%4)
%if %3 != 0
shl %4,8*%3
%endif
xor %1,%4
%endmacro
%macro li_mov 4
movzx %4,%2
movzx %1,dtab_x(%4)
%if %3 != 0
shl %1,8*%3
%endif
%endmacro
%endif
%macro dec_round 0
%ifdef AES_REV_DKS
add ebp,16
%else
sub ebp,16
%endif
save 0,ebp
mov esi,[ebp+8]
mov edi,[ebp+12]
irn_fun ni_xor, ni_mov
mov ebx,ebp
mov ecx,esi
mov edx,edi
restore ebp,0
xor eax,[ebp]
xor ebx,[ebp+4]
%endmacro
%macro dec_last_round 0
%ifdef AES_REV_DKS
add ebp,16
%else
sub ebp,16
%endif
save 0,ebp
mov esi,[ebp+8]
mov edi,[ebp+12]
irn_fun li_xor, li_mov
mov ebx,ebp
restore ebp,0
xor eax,[ebp]
xor ebx,[ebp+4]
%endmacro
section .text
; AES Decryption Subroutine
align 32
do_name _aes_decrypt
sub esp,stk_spc
mov [esp+16],ebp
mov [esp+12],ebx
mov [esp+ 8],esi
mov [esp+ 4],edi
; input four columns and xor in first round key
mov esi,[esp+in_blk+stk_spc] ; input pointer
mov eax,[esi ]
mov ebx,[esi+ 4]
mov ecx,[esi+ 8]
mov edx,[esi+12]
lea esi,[esi+16]
mov ebp,[esp+ctx+stk_spc] ; key pointer
movzx edi,byte[ebp+4*KS_LENGTH]
%ifndef AES_REV_DKS ; if decryption key schedule is not reversed
lea ebp,[ebp+edi] ; we have to access it from the top down
%endif
xor eax,[ebp ] ; key schedule
xor ebx,[ebp+ 4]
xor ecx,[ebp+ 8]
xor edx,[ebp+12]
; determine the number of rounds
cmp edi,10*16
je .3
cmp edi,12*16
je .2
cmp edi,14*16
je .1
mov eax,-1
jmp .5
.1: dec_round
dec_round
.2: dec_round
dec_round
.3: dec_round
dec_round
dec_round
dec_round
dec_round
dec_round
dec_round
dec_round
dec_round
dec_last_round
; move final values to the output array.
mov ebp,[esp+out_blk+stk_spc]
mov [ebp],eax
mov [ebp+4],ebx
mov [ebp+8],esi
mov [ebp+12],edi
xor eax,eax
.5: mov ebp,[esp+16]
mov ebx,[esp+12]
mov esi,[esp+ 8]
mov edi,[esp+ 4]
add esp,stk_spc
do_exit
%endif
end

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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
This file contains the definitions required to use AES (Rijndael) in C++.
*/
#ifndef _AESCPP_H
#define _AESCPP_H
#include "aes.h"
#if defined( AES_ENCRYPT )
class AESencrypt
{
public:
aes_encrypt_ctx cx[1];
AESencrypt(void) { aes_init(); };
#if defined(AES_128)
AESencrypt(const unsigned char key[])
{ aes_encrypt_key128(key, cx); }
AES_RETURN key128(const unsigned char key[])
{ return aes_encrypt_key128(key, cx); }
#endif
#if defined(AES_192)
AES_RETURN key192(const unsigned char key[])
{ return aes_encrypt_key192(key, cx); }
#endif
#if defined(AES_256)
AES_RETURN key256(const unsigned char key[])
{ return aes_encrypt_key256(key, cx); }
#endif
#if defined(AES_VAR)
AES_RETURN key(const unsigned char key[], int key_len)
{ return aes_encrypt_key(key, key_len, cx); }
#endif
AES_RETURN encrypt(const unsigned char in[], unsigned char out[]) const
{ return aes_encrypt(in, out, cx); }
#ifndef AES_MODES
AES_RETURN ecb_encrypt(const unsigned char in[], unsigned char out[], int nb) const
{ while(nb--)
{ aes_encrypt(in, out, cx), in += AES_BLOCK_SIZE, out += AES_BLOCK_SIZE; }
}
#endif
#ifdef AES_MODES
AES_RETURN mode_reset(void) { return aes_mode_reset(cx); }
AES_RETURN ecb_encrypt(const unsigned char in[], unsigned char out[], int nb) const
{ return aes_ecb_encrypt(in, out, nb, cx); }
AES_RETURN cbc_encrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[]) const
{ return aes_cbc_encrypt(in, out, nb, iv, cx); }
AES_RETURN cfb_encrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[])
{ return aes_cfb_encrypt(in, out, nb, iv, cx); }
AES_RETURN cfb_decrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[])
{ return aes_cfb_decrypt(in, out, nb, iv, cx); }
AES_RETURN ofb_crypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[])
{ return aes_ofb_crypt(in, out, nb, iv, cx); }
typedef void ctr_fn(unsigned char ctr[]);
AES_RETURN ctr_crypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[], ctr_fn cf)
{ return aes_ctr_crypt(in, out, nb, iv, cf, cx); }
#endif
};
#endif
#if defined( AES_DECRYPT )
class AESdecrypt
{
public:
aes_decrypt_ctx cx[1];
AESdecrypt(void) { aes_init(); };
#if defined(AES_128)
AESdecrypt(const unsigned char key[])
{ aes_decrypt_key128(key, cx); }
AES_RETURN key128(const unsigned char key[])
{ return aes_decrypt_key128(key, cx); }
#endif
#if defined(AES_192)
AES_RETURN key192(const unsigned char key[])
{ return aes_decrypt_key192(key, cx); }
#endif
#if defined(AES_256)
AES_RETURN key256(const unsigned char key[])
{ return aes_decrypt_key256(key, cx); }
#endif
#if defined(AES_VAR)
AES_RETURN key(const unsigned char key[], int key_len)
{ return aes_decrypt_key(key, key_len, cx); }
#endif
AES_RETURN decrypt(const unsigned char in[], unsigned char out[]) const
{ return aes_decrypt(in, out, cx); }
#ifndef AES_MODES
AES_RETURN ecb_decrypt(const unsigned char in[], unsigned char out[], int nb) const
{ while(nb--)
{ aes_decrypt(in, out, cx), in += AES_BLOCK_SIZE, out += AES_BLOCK_SIZE; }
}
#endif
#ifdef AES_MODES
AES_RETURN ecb_decrypt(const unsigned char in[], unsigned char out[], int nb) const
{ return aes_ecb_decrypt(in, out, nb, cx); }
AES_RETURN cbc_decrypt(const unsigned char in[], unsigned char out[], int nb,
unsigned char iv[]) const
{ return aes_cbc_decrypt(in, out, nb, iv, cx); }
#endif
};
#endif
#endif

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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
*/
#include "aesopt.h"
#include "aestab.h"
#if defined(__cplusplus)
extern "C"
{
#endif
#define si(y,x,k,c) (s(y,c) = word_in(x, c) ^ (k)[c])
#define so(y,x,c) word_out(y, c, s(x,c))
#if defined(ARRAYS)
#define locals(y,x) x[4],y[4]
#else
#define locals(y,x) x##0,x##1,x##2,x##3,y##0,y##1,y##2,y##3
#endif
#define l_copy(y, x) s(y,0) = s(x,0); s(y,1) = s(x,1); \
s(y,2) = s(x,2); s(y,3) = s(x,3);
#define state_in(y,x,k) si(y,x,k,0); si(y,x,k,1); si(y,x,k,2); si(y,x,k,3)
#define state_out(y,x) so(y,x,0); so(y,x,1); so(y,x,2); so(y,x,3)
#define round(rm,y,x,k) rm(y,x,k,0); rm(y,x,k,1); rm(y,x,k,2); rm(y,x,k,3)
#if ( FUNCS_IN_C & ENCRYPTION_IN_C )
/* Visual C++ .Net v7.1 provides the fastest encryption code when using
Pentium optimiation with small code but this is poor for decryption
so we need to control this with the following VC++ pragmas
*/
#if defined( _MSC_VER ) && !defined( _WIN64 )
#pragma optimize( "s", on )
#endif
/* Given the column (c) of the output state variable, the following
macros give the input state variables which are needed in its
computation for each row (r) of the state. All the alternative
macros give the same end values but expand into different ways
of calculating these values. In particular the complex macro
used for dynamically variable block sizes is designed to expand
to a compile time constant whenever possible but will expand to
conditional clauses on some branches (I am grateful to Frank
Yellin for this construction)
*/
#define fwd_var(x,r,c)\
( r == 0 ? ( c == 0 ? s(x,0) : c == 1 ? s(x,1) : c == 2 ? s(x,2) : s(x,3))\
: r == 1 ? ( c == 0 ? s(x,1) : c == 1 ? s(x,2) : c == 2 ? s(x,3) : s(x,0))\
: r == 2 ? ( c == 0 ? s(x,2) : c == 1 ? s(x,3) : c == 2 ? s(x,0) : s(x,1))\
: ( c == 0 ? s(x,3) : c == 1 ? s(x,0) : c == 2 ? s(x,1) : s(x,2)))
#if defined(FT4_SET)
#undef dec_fmvars
#define fwd_rnd(y,x,k,c) (s(y,c) = (k)[c] ^ four_tables(x,t_use(f,n),fwd_var,rf1,c))
#elif defined(FT1_SET)
#undef dec_fmvars
#define fwd_rnd(y,x,k,c) (s(y,c) = (k)[c] ^ one_table(x,upr,t_use(f,n),fwd_var,rf1,c))
#else
#define fwd_rnd(y,x,k,c) (s(y,c) = (k)[c] ^ fwd_mcol(no_table(x,t_use(s,box),fwd_var,rf1,c)))
#endif
#if defined(FL4_SET)
#define fwd_lrnd(y,x,k,c) (s(y,c) = (k)[c] ^ four_tables(x,t_use(f,l),fwd_var,rf1,c))
#elif defined(FL1_SET)
#define fwd_lrnd(y,x,k,c) (s(y,c) = (k)[c] ^ one_table(x,ups,t_use(f,l),fwd_var,rf1,c))
#else
#define fwd_lrnd(y,x,k,c) (s(y,c) = (k)[c] ^ no_table(x,t_use(s,box),fwd_var,rf1,c))
#endif
AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out, const aes_encrypt_ctx cx[1])
{ uint_32t locals(b0, b1);
const uint_32t *kp;
#if defined( dec_fmvars )
dec_fmvars; /* declare variables for fwd_mcol() if needed */
#endif
if( cx->inf.b[0] != 10 * 16 && cx->inf.b[0] != 12 * 16 && cx->inf.b[0] != 14 * 16 )
return EXIT_FAILURE;
kp = cx->ks;
state_in(b0, in, kp);
#if (ENC_UNROLL == FULL)
switch(cx->inf.b[0])
{
case 14 * 16:
round(fwd_rnd, b1, b0, kp + 1 * N_COLS);
round(fwd_rnd, b0, b1, kp + 2 * N_COLS);
kp += 2 * N_COLS;
case 12 * 16:
round(fwd_rnd, b1, b0, kp + 1 * N_COLS);
round(fwd_rnd, b0, b1, kp + 2 * N_COLS);
kp += 2 * N_COLS;
case 10 * 16:
round(fwd_rnd, b1, b0, kp + 1 * N_COLS);
round(fwd_rnd, b0, b1, kp + 2 * N_COLS);
round(fwd_rnd, b1, b0, kp + 3 * N_COLS);
round(fwd_rnd, b0, b1, kp + 4 * N_COLS);
round(fwd_rnd, b1, b0, kp + 5 * N_COLS);
round(fwd_rnd, b0, b1, kp + 6 * N_COLS);
round(fwd_rnd, b1, b0, kp + 7 * N_COLS);
round(fwd_rnd, b0, b1, kp + 8 * N_COLS);
round(fwd_rnd, b1, b0, kp + 9 * N_COLS);
round(fwd_lrnd, b0, b1, kp +10 * N_COLS);
}
#else
#if (ENC_UNROLL == PARTIAL)
{ uint_32t rnd;
for(rnd = 0; rnd < (cx->inf.b[0] >> 5) - 1; ++rnd)
{
kp += N_COLS;
round(fwd_rnd, b1, b0, kp);
kp += N_COLS;
round(fwd_rnd, b0, b1, kp);
}
kp += N_COLS;
round(fwd_rnd, b1, b0, kp);
#else
{ uint_32t rnd;
for(rnd = 0; rnd < (cx->inf.b[0] >> 4) - 1; ++rnd)
{
kp += N_COLS;
round(fwd_rnd, b1, b0, kp);
l_copy(b0, b1);
}
#endif
kp += N_COLS;
round(fwd_lrnd, b0, b1, kp);
}
#endif
state_out(out, b0);
return EXIT_SUCCESS;
}
#endif
#if ( FUNCS_IN_C & DECRYPTION_IN_C)
/* Visual C++ .Net v7.1 provides the fastest encryption code when using
Pentium optimiation with small code but this is poor for decryption
so we need to control this with the following VC++ pragmas
*/
#if defined( _MSC_VER ) && !defined( _WIN64 )
#pragma optimize( "t", on )
#endif
/* Given the column (c) of the output state variable, the following
macros give the input state variables which are needed in its
computation for each row (r) of the state. All the alternative
macros give the same end values but expand into different ways
of calculating these values. In particular the complex macro
used for dynamically variable block sizes is designed to expand
to a compile time constant whenever possible but will expand to
conditional clauses on some branches (I am grateful to Frank
Yellin for this construction)
*/
#define inv_var(x,r,c)\
( r == 0 ? ( c == 0 ? s(x,0) : c == 1 ? s(x,1) : c == 2 ? s(x,2) : s(x,3))\
: r == 1 ? ( c == 0 ? s(x,3) : c == 1 ? s(x,0) : c == 2 ? s(x,1) : s(x,2))\
: r == 2 ? ( c == 0 ? s(x,2) : c == 1 ? s(x,3) : c == 2 ? s(x,0) : s(x,1))\
: ( c == 0 ? s(x,1) : c == 1 ? s(x,2) : c == 2 ? s(x,3) : s(x,0)))
#if defined(IT4_SET)
#undef dec_imvars
#define inv_rnd(y,x,k,c) (s(y,c) = (k)[c] ^ four_tables(x,t_use(i,n),inv_var,rf1,c))
#elif defined(IT1_SET)
#undef dec_imvars
#define inv_rnd(y,x,k,c) (s(y,c) = (k)[c] ^ one_table(x,upr,t_use(i,n),inv_var,rf1,c))
#else
#define inv_rnd(y,x,k,c) (s(y,c) = inv_mcol((k)[c] ^ no_table(x,t_use(i,box),inv_var,rf1,c)))
#endif
#if defined(IL4_SET)
#define inv_lrnd(y,x,k,c) (s(y,c) = (k)[c] ^ four_tables(x,t_use(i,l),inv_var,rf1,c))
#elif defined(IL1_SET)
#define inv_lrnd(y,x,k,c) (s(y,c) = (k)[c] ^ one_table(x,ups,t_use(i,l),inv_var,rf1,c))
#else
#define inv_lrnd(y,x,k,c) (s(y,c) = (k)[c] ^ no_table(x,t_use(i,box),inv_var,rf1,c))
#endif
/* This code can work with the decryption key schedule in the */
/* order that is used for encrytpion (where the 1st decryption */
/* round key is at the high end ot the schedule) or with a key */
/* schedule that has been reversed to put the 1st decryption */
/* round key at the low end of the schedule in memory (when */
/* AES_REV_DKS is defined) */
#ifdef AES_REV_DKS
#define key_ofs 0
#define rnd_key(n) (kp + n * N_COLS)
#else
#define key_ofs 1
#define rnd_key(n) (kp - n * N_COLS)
#endif
AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out, const aes_decrypt_ctx cx[1])
{ uint_32t locals(b0, b1);
#if defined( dec_imvars )
dec_imvars; /* declare variables for inv_mcol() if needed */
#endif
const uint_32t *kp;
if( cx->inf.b[0] != 10 * 16 && cx->inf.b[0] != 12 * 16 && cx->inf.b[0] != 14 * 16 )
return EXIT_FAILURE;
kp = cx->ks + (key_ofs ? (cx->inf.b[0] >> 2) : 0);
state_in(b0, in, kp);
#if (DEC_UNROLL == FULL)
kp = cx->ks + (key_ofs ? 0 : (cx->inf.b[0] >> 2));
switch(cx->inf.b[0])
{
case 14 * 16:
round(inv_rnd, b1, b0, rnd_key(-13));
round(inv_rnd, b0, b1, rnd_key(-12));
case 12 * 16:
round(inv_rnd, b1, b0, rnd_key(-11));
round(inv_rnd, b0, b1, rnd_key(-10));
case 10 * 16:
round(inv_rnd, b1, b0, rnd_key(-9));
round(inv_rnd, b0, b1, rnd_key(-8));
round(inv_rnd, b1, b0, rnd_key(-7));
round(inv_rnd, b0, b1, rnd_key(-6));
round(inv_rnd, b1, b0, rnd_key(-5));
round(inv_rnd, b0, b1, rnd_key(-4));
round(inv_rnd, b1, b0, rnd_key(-3));
round(inv_rnd, b0, b1, rnd_key(-2));
round(inv_rnd, b1, b0, rnd_key(-1));
round(inv_lrnd, b0, b1, rnd_key( 0));
}
#else
#if (DEC_UNROLL == PARTIAL)
{ uint_32t rnd;
for(rnd = 0; rnd < (cx->inf.b[0] >> 5) - 1; ++rnd)
{
kp = rnd_key(1);
round(inv_rnd, b1, b0, kp);
kp = rnd_key(1);
round(inv_rnd, b0, b1, kp);
}
kp = rnd_key(1);
round(inv_rnd, b1, b0, kp);
#else
{ uint_32t rnd;
for(rnd = 0; rnd < (cx->inf.b[0] >> 4) - 1; ++rnd)
{
kp = rnd_key(1);
round(inv_rnd, b1, b0, kp);
l_copy(b0, b1);
}
#endif
kp = rnd_key(1);
round(inv_lrnd, b0, b1, kp);
}
#endif
state_out(out, b0);
return EXIT_SUCCESS;
}
#endif
#if defined(__cplusplus)
}
#endif

555
src/java/KP2AKdbLibrary/jni/aes/aeskey.c Normal file
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@ -0,0 +1,555 @@
/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
*/
#include "aesopt.h"
#include "aestab.h"
#ifdef USE_VIA_ACE_IF_PRESENT
# include "aes_via_ace.h"
#endif
#if defined(__cplusplus)
extern "C"
{
#endif
/* Initialise the key schedule from the user supplied key. The key
length can be specified in bytes, with legal values of 16, 24
and 32, or in bits, with legal values of 128, 192 and 256. These
values correspond with Nk values of 4, 6 and 8 respectively.
The following macros implement a single cycle in the key
schedule generation process. The number of cycles needed
for each cx->n_col and nk value is:
nk = 4 5 6 7 8
------------------------------
cx->n_col = 4 10 9 8 7 7
cx->n_col = 5 14 11 10 9 9
cx->n_col = 6 19 15 12 11 11
cx->n_col = 7 21 19 16 13 14
cx->n_col = 8 29 23 19 17 14
*/
#if defined( REDUCE_CODE_SIZE )
# define ls_box ls_sub
uint_32t ls_sub(const uint_32t t, const uint_32t n);
# define inv_mcol im_sub
uint_32t im_sub(const uint_32t x);
# ifdef ENC_KS_UNROLL
# undef ENC_KS_UNROLL
# endif
# ifdef DEC_KS_UNROLL
# undef DEC_KS_UNROLL
# endif
#endif
#if (FUNCS_IN_C & ENC_KEYING_IN_C)
#if defined(AES_128) || defined( AES_VAR )
#define ke4(k,i) \
{ k[4*(i)+4] = ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; \
k[4*(i)+5] = ss[1] ^= ss[0]; \
k[4*(i)+6] = ss[2] ^= ss[1]; \
k[4*(i)+7] = ss[3] ^= ss[2]; \
}
AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1])
{ uint_32t ss[4];
cx->ks[0] = ss[0] = word_in(key, 0);
cx->ks[1] = ss[1] = word_in(key, 1);
cx->ks[2] = ss[2] = word_in(key, 2);
cx->ks[3] = ss[3] = word_in(key, 3);
#ifdef ENC_KS_UNROLL
ke4(cx->ks, 0); ke4(cx->ks, 1);
ke4(cx->ks, 2); ke4(cx->ks, 3);
ke4(cx->ks, 4); ke4(cx->ks, 5);
ke4(cx->ks, 6); ke4(cx->ks, 7);
ke4(cx->ks, 8);
#else
{ uint_32t i;
for(i = 0; i < 9; ++i)
ke4(cx->ks, i);
}
#endif
ke4(cx->ks, 9);
cx->inf.l = 0;
cx->inf.b[0] = 10 * 16;
#ifdef USE_VIA_ACE_IF_PRESENT
if(VIA_ACE_AVAILABLE)
cx->inf.b[1] = 0xff;
#endif
return EXIT_SUCCESS;
}
#endif
#if defined(AES_192) || defined( AES_VAR )
#define kef6(k,i) \
{ k[6*(i)+ 6] = ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; \
k[6*(i)+ 7] = ss[1] ^= ss[0]; \
k[6*(i)+ 8] = ss[2] ^= ss[1]; \
k[6*(i)+ 9] = ss[3] ^= ss[2]; \
}
#define ke6(k,i) \
{ kef6(k,i); \
k[6*(i)+10] = ss[4] ^= ss[3]; \
k[6*(i)+11] = ss[5] ^= ss[4]; \
}
AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1])
{ uint_32t ss[6];
cx->ks[0] = ss[0] = word_in(key, 0);
cx->ks[1] = ss[1] = word_in(key, 1);
cx->ks[2] = ss[2] = word_in(key, 2);
cx->ks[3] = ss[3] = word_in(key, 3);
cx->ks[4] = ss[4] = word_in(key, 4);
cx->ks[5] = ss[5] = word_in(key, 5);
#ifdef ENC_KS_UNROLL
ke6(cx->ks, 0); ke6(cx->ks, 1);
ke6(cx->ks, 2); ke6(cx->ks, 3);
ke6(cx->ks, 4); ke6(cx->ks, 5);
ke6(cx->ks, 6);
#else
{ uint_32t i;
for(i = 0; i < 7; ++i)
ke6(cx->ks, i);
}
#endif
kef6(cx->ks, 7);
cx->inf.l = 0;
cx->inf.b[0] = 12 * 16;
#ifdef USE_VIA_ACE_IF_PRESENT
if(VIA_ACE_AVAILABLE)
cx->inf.b[1] = 0xff;
#endif
return EXIT_SUCCESS;
}
#endif
#if defined(AES_256) || defined( AES_VAR )
#define kef8(k,i) \
{ k[8*(i)+ 8] = ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; \
k[8*(i)+ 9] = ss[1] ^= ss[0]; \
k[8*(i)+10] = ss[2] ^= ss[1]; \
k[8*(i)+11] = ss[3] ^= ss[2]; \
}
#define ke8(k,i) \
{ kef8(k,i); \
k[8*(i)+12] = ss[4] ^= ls_box(ss[3],0); \
k[8*(i)+13] = ss[5] ^= ss[4]; \
k[8*(i)+14] = ss[6] ^= ss[5]; \
k[8*(i)+15] = ss[7] ^= ss[6]; \
}
AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1])
{ uint_32t ss[8];
cx->ks[0] = ss[0] = word_in(key, 0);
cx->ks[1] = ss[1] = word_in(key, 1);
cx->ks[2] = ss[2] = word_in(key, 2);
cx->ks[3] = ss[3] = word_in(key, 3);
cx->ks[4] = ss[4] = word_in(key, 4);
cx->ks[5] = ss[5] = word_in(key, 5);
cx->ks[6] = ss[6] = word_in(key, 6);
cx->ks[7] = ss[7] = word_in(key, 7);
#ifdef ENC_KS_UNROLL
ke8(cx->ks, 0); ke8(cx->ks, 1);
ke8(cx->ks, 2); ke8(cx->ks, 3);
ke8(cx->ks, 4); ke8(cx->ks, 5);
#else
{ uint_32t i;
for(i = 0; i < 6; ++i)
ke8(cx->ks, i);
}
#endif
kef8(cx->ks, 6);
cx->inf.l = 0;
cx->inf.b[0] = 14 * 16;
#ifdef USE_VIA_ACE_IF_PRESENT
if(VIA_ACE_AVAILABLE)
cx->inf.b[1] = 0xff;
#endif
return EXIT_SUCCESS;
}
#endif
#if defined( AES_VAR )
AES_RETURN aes_encrypt_key(const unsigned char *key, int key_len, aes_encrypt_ctx cx[1])
{
switch(key_len)
{
case 16: case 128: return aes_encrypt_key128(key, cx);
case 24: case 192: return aes_encrypt_key192(key, cx);
case 32: case 256: return aes_encrypt_key256(key, cx);
default: return EXIT_FAILURE;
}
}
#endif
#endif
#if (FUNCS_IN_C & DEC_KEYING_IN_C)
/* this is used to store the decryption round keys */
/* in forward or reverse order */
#ifdef AES_REV_DKS
#define v(n,i) ((n) - (i) + 2 * ((i) & 3))
#else
#define v(n,i) (i)
#endif
#if DEC_ROUND == NO_TABLES
#define ff(x) (x)
#else
#define ff(x) inv_mcol(x)
#if defined( dec_imvars )
#define d_vars dec_imvars
#endif
#endif
#if defined(AES_128) || defined( AES_VAR )
#define k4e(k,i) \
{ k[v(40,(4*(i))+4)] = ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; \
k[v(40,(4*(i))+5)] = ss[1] ^= ss[0]; \
k[v(40,(4*(i))+6)] = ss[2] ^= ss[1]; \
k[v(40,(4*(i))+7)] = ss[3] ^= ss[2]; \
}
#if 1
#define kdf4(k,i) \
{ ss[0] = ss[0] ^ ss[2] ^ ss[1] ^ ss[3]; \
ss[1] = ss[1] ^ ss[3]; \
ss[2] = ss[2] ^ ss[3]; \
ss[4] = ls_box(ss[(i+3) % 4], 3) ^ t_use(r,c)[i]; \
ss[i % 4] ^= ss[4]; \
ss[4] ^= k[v(40,(4*(i)))]; k[v(40,(4*(i))+4)] = ff(ss[4]); \
ss[4] ^= k[v(40,(4*(i))+1)]; k[v(40,(4*(i))+5)] = ff(ss[4]); \
ss[4] ^= k[v(40,(4*(i))+2)]; k[v(40,(4*(i))+6)] = ff(ss[4]); \
ss[4] ^= k[v(40,(4*(i))+3)]; k[v(40,(4*(i))+7)] = ff(ss[4]); \
}
#define kd4(k,i) \
{ ss[4] = ls_box(ss[(i+3) % 4], 3) ^ t_use(r,c)[i]; \
ss[i % 4] ^= ss[4]; ss[4] = ff(ss[4]); \
k[v(40,(4*(i))+4)] = ss[4] ^= k[v(40,(4*(i)))]; \
k[v(40,(4*(i))+5)] = ss[4] ^= k[v(40,(4*(i))+1)]; \
k[v(40,(4*(i))+6)] = ss[4] ^= k[v(40,(4*(i))+2)]; \
k[v(40,(4*(i))+7)] = ss[4] ^= k[v(40,(4*(i))+3)]; \
}
#define kdl4(k,i) \
{ ss[4] = ls_box(ss[(i+3) % 4], 3) ^ t_use(r,c)[i]; ss[i % 4] ^= ss[4]; \
k[v(40,(4*(i))+4)] = (ss[0] ^= ss[1]) ^ ss[2] ^ ss[3]; \
k[v(40,(4*(i))+5)] = ss[1] ^ ss[3]; \
k[v(40,(4*(i))+6)] = ss[0]; \
k[v(40,(4*(i))+7)] = ss[1]; \
}
#else
#define kdf4(k,i) \
{ ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; k[v(40,(4*(i))+ 4)] = ff(ss[0]); \
ss[1] ^= ss[0]; k[v(40,(4*(i))+ 5)] = ff(ss[1]); \
ss[2] ^= ss[1]; k[v(40,(4*(i))+ 6)] = ff(ss[2]); \
ss[3] ^= ss[2]; k[v(40,(4*(i))+ 7)] = ff(ss[3]); \
}
#define kd4(k,i) \
{ ss[4] = ls_box(ss[3],3) ^ t_use(r,c)[i]; \
ss[0] ^= ss[4]; ss[4] = ff(ss[4]); k[v(40,(4*(i))+ 4)] = ss[4] ^= k[v(40,(4*(i)))]; \
ss[1] ^= ss[0]; k[v(40,(4*(i))+ 5)] = ss[4] ^= k[v(40,(4*(i))+ 1)]; \
ss[2] ^= ss[1]; k[v(40,(4*(i))+ 6)] = ss[4] ^= k[v(40,(4*(i))+ 2)]; \
ss[3] ^= ss[2]; k[v(40,(4*(i))+ 7)] = ss[4] ^= k[v(40,(4*(i))+ 3)]; \
}
#define kdl4(k,i) \
{ ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; k[v(40,(4*(i))+ 4)] = ss[0]; \
ss[1] ^= ss[0]; k[v(40,(4*(i))+ 5)] = ss[1]; \
ss[2] ^= ss[1]; k[v(40,(4*(i))+ 6)] = ss[2]; \
ss[3] ^= ss[2]; k[v(40,(4*(i))+ 7)] = ss[3]; \
}
#endif
AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1])
{ uint_32t ss[5];
#if defined( d_vars )
d_vars;
#endif
cx->ks[v(40,(0))] = ss[0] = word_in(key, 0);
cx->ks[v(40,(1))] = ss[1] = word_in(key, 1);
cx->ks[v(40,(2))] = ss[2] = word_in(key, 2);
cx->ks[v(40,(3))] = ss[3] = word_in(key, 3);
#ifdef DEC_KS_UNROLL
kdf4(cx->ks, 0); kd4(cx->ks, 1);
kd4(cx->ks, 2); kd4(cx->ks, 3);
kd4(cx->ks, 4); kd4(cx->ks, 5);
kd4(cx->ks, 6); kd4(cx->ks, 7);
kd4(cx->ks, 8); kdl4(cx->ks, 9);
#else
{ uint_32t i;
for(i = 0; i < 10; ++i)
k4e(cx->ks, i);
#if !(DEC_ROUND == NO_TABLES)
for(i = N_COLS; i < 10 * N_COLS; ++i)
cx->ks[i] = inv_mcol(cx->ks[i]);
#endif
}
#endif
cx->inf.l = 0;
cx->inf.b[0] = 10 * 16;
#ifdef USE_VIA_ACE_IF_PRESENT
if(VIA_ACE_AVAILABLE)
cx->inf.b[1] = 0xff;
#endif
return EXIT_SUCCESS;
}
#endif
#if defined(AES_192) || defined( AES_VAR )
#define k6ef(k,i) \
{ k[v(48,(6*(i))+ 6)] = ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; \
k[v(48,(6*(i))+ 7)] = ss[1] ^= ss[0]; \
k[v(48,(6*(i))+ 8)] = ss[2] ^= ss[1]; \
k[v(48,(6*(i))+ 9)] = ss[3] ^= ss[2]; \
}
#define k6e(k,i) \
{ k6ef(k,i); \
k[v(48,(6*(i))+10)] = ss[4] ^= ss[3]; \
k[v(48,(6*(i))+11)] = ss[5] ^= ss[4]; \
}
#define kdf6(k,i) \
{ ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; k[v(48,(6*(i))+ 6)] = ff(ss[0]); \
ss[1] ^= ss[0]; k[v(48,(6*(i))+ 7)] = ff(ss[1]); \
ss[2] ^= ss[1]; k[v(48,(6*(i))+ 8)] = ff(ss[2]); \
ss[3] ^= ss[2]; k[v(48,(6*(i))+ 9)] = ff(ss[3]); \
ss[4] ^= ss[3]; k[v(48,(6*(i))+10)] = ff(ss[4]); \
ss[5] ^= ss[4]; k[v(48,(6*(i))+11)] = ff(ss[5]); \
}
#define kd6(k,i) \
{ ss[6] = ls_box(ss[5],3) ^ t_use(r,c)[i]; \
ss[0] ^= ss[6]; ss[6] = ff(ss[6]); k[v(48,(6*(i))+ 6)] = ss[6] ^= k[v(48,(6*(i)))]; \
ss[1] ^= ss[0]; k[v(48,(6*(i))+ 7)] = ss[6] ^= k[v(48,(6*(i))+ 1)]; \
ss[2] ^= ss[1]; k[v(48,(6*(i))+ 8)] = ss[6] ^= k[v(48,(6*(i))+ 2)]; \
ss[3] ^= ss[2]; k[v(48,(6*(i))+ 9)] = ss[6] ^= k[v(48,(6*(i))+ 3)]; \
ss[4] ^= ss[3]; k[v(48,(6*(i))+10)] = ss[6] ^= k[v(48,(6*(i))+ 4)]; \
ss[5] ^= ss[4]; k[v(48,(6*(i))+11)] = ss[6] ^= k[v(48,(6*(i))+ 5)]; \
}
#define kdl6(k,i) \
{ ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; k[v(48,(6*(i))+ 6)] = ss[0]; \
ss[1] ^= ss[0]; k[v(48,(6*(i))+ 7)] = ss[1]; \
ss[2] ^= ss[1]; k[v(48,(6*(i))+ 8)] = ss[2]; \
ss[3] ^= ss[2]; k[v(48,(6*(i))+ 9)] = ss[3]; \
}
AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1])
{ uint_32t ss[7];
#if defined( d_vars )
d_vars;
#endif
cx->ks[v(48,(0))] = ss[0] = word_in(key, 0);
cx->ks[v(48,(1))] = ss[1] = word_in(key, 1);
cx->ks[v(48,(2))] = ss[2] = word_in(key, 2);
cx->ks[v(48,(3))] = ss[3] = word_in(key, 3);
#ifdef DEC_KS_UNROLL
cx->ks[v(48,(4))] = ff(ss[4] = word_in(key, 4));
cx->ks[v(48,(5))] = ff(ss[5] = word_in(key, 5));
kdf6(cx->ks, 0); kd6(cx->ks, 1);
kd6(cx->ks, 2); kd6(cx->ks, 3);
kd6(cx->ks, 4); kd6(cx->ks, 5);
kd6(cx->ks, 6); kdl6(cx->ks, 7);
#else
cx->ks[v(48,(4))] = ss[4] = word_in(key, 4);
cx->ks[v(48,(5))] = ss[5] = word_in(key, 5);
{ uint_32t i;
for(i = 0; i < 7; ++i)
k6e(cx->ks, i);
k6ef(cx->ks, 7);
#if !(DEC_ROUND == NO_TABLES)
for(i = N_COLS; i < 12 * N_COLS; ++i)
cx->ks[i] = inv_mcol(cx->ks[i]);
#endif
}
#endif
cx->inf.l = 0;
cx->inf.b[0] = 12 * 16;
#ifdef USE_VIA_ACE_IF_PRESENT
if(VIA_ACE_AVAILABLE)
cx->inf.b[1] = 0xff;
#endif
return EXIT_SUCCESS;
}
#endif
#if defined(AES_256) || defined( AES_VAR )
#define k8ef(k,i) \
{ k[v(56,(8*(i))+ 8)] = ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; \
k[v(56,(8*(i))+ 9)] = ss[1] ^= ss[0]; \
k[v(56,(8*(i))+10)] = ss[2] ^= ss[1]; \
k[v(56,(8*(i))+11)] = ss[3] ^= ss[2]; \
}
#define k8e(k,i) \
{ k8ef(k,i); \
k[v(56,(8*(i))+12)] = ss[4] ^= ls_box(ss[3],0); \
k[v(56,(8*(i))+13)] = ss[5] ^= ss[4]; \
k[v(56,(8*(i))+14)] = ss[6] ^= ss[5]; \
k[v(56,(8*(i))+15)] = ss[7] ^= ss[6]; \
}
#define kdf8(k,i) \
{ ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; k[v(56,(8*(i))+ 8)] = ff(ss[0]); \
ss[1] ^= ss[0]; k[v(56,(8*(i))+ 9)] = ff(ss[1]); \
ss[2] ^= ss[1]; k[v(56,(8*(i))+10)] = ff(ss[2]); \
ss[3] ^= ss[2]; k[v(56,(8*(i))+11)] = ff(ss[3]); \
ss[4] ^= ls_box(ss[3],0); k[v(56,(8*(i))+12)] = ff(ss[4]); \
ss[5] ^= ss[4]; k[v(56,(8*(i))+13)] = ff(ss[5]); \
ss[6] ^= ss[5]; k[v(56,(8*(i))+14)] = ff(ss[6]); \
ss[7] ^= ss[6]; k[v(56,(8*(i))+15)] = ff(ss[7]); \
}
#define kd8(k,i) \
{ ss[8] = ls_box(ss[7],3) ^ t_use(r,c)[i]; \
ss[0] ^= ss[8]; ss[8] = ff(ss[8]); k[v(56,(8*(i))+ 8)] = ss[8] ^= k[v(56,(8*(i)))]; \
ss[1] ^= ss[0]; k[v(56,(8*(i))+ 9)] = ss[8] ^= k[v(56,(8*(i))+ 1)]; \
ss[2] ^= ss[1]; k[v(56,(8*(i))+10)] = ss[8] ^= k[v(56,(8*(i))+ 2)]; \
ss[3] ^= ss[2]; k[v(56,(8*(i))+11)] = ss[8] ^= k[v(56,(8*(i))+ 3)]; \
ss[8] = ls_box(ss[3],0); \
ss[4] ^= ss[8]; ss[8] = ff(ss[8]); k[v(56,(8*(i))+12)] = ss[8] ^= k[v(56,(8*(i))+ 4)]; \
ss[5] ^= ss[4]; k[v(56,(8*(i))+13)] = ss[8] ^= k[v(56,(8*(i))+ 5)]; \
ss[6] ^= ss[5]; k[v(56,(8*(i))+14)] = ss[8] ^= k[v(56,(8*(i))+ 6)]; \
ss[7] ^= ss[6]; k[v(56,(8*(i))+15)] = ss[8] ^= k[v(56,(8*(i))+ 7)]; \
}
#define kdl8(k,i) \
{ ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; k[v(56,(8*(i))+ 8)] = ss[0]; \
ss[1] ^= ss[0]; k[v(56,(8*(i))+ 9)] = ss[1]; \
ss[2] ^= ss[1]; k[v(56,(8*(i))+10)] = ss[2]; \
ss[3] ^= ss[2]; k[v(56,(8*(i))+11)] = ss[3]; \
}
AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1])
{ uint_32t ss[9];
#if defined( d_vars )
d_vars;
#endif
cx->ks[v(56,(0))] = ss[0] = word_in(key, 0);
cx->ks[v(56,(1))] = ss[1] = word_in(key, 1);
cx->ks[v(56,(2))] = ss[2] = word_in(key, 2);
cx->ks[v(56,(3))] = ss[3] = word_in(key, 3);
#ifdef DEC_KS_UNROLL
cx->ks[v(56,(4))] = ff(ss[4] = word_in(key, 4));
cx->ks[v(56,(5))] = ff(ss[5] = word_in(key, 5));
cx->ks[v(56,(6))] = ff(ss[6] = word_in(key, 6));
cx->ks[v(56,(7))] = ff(ss[7] = word_in(key, 7));
kdf8(cx->ks, 0); kd8(cx->ks, 1);
kd8(cx->ks, 2); kd8(cx->ks, 3);
kd8(cx->ks, 4); kd8(cx->ks, 5);
kdl8(cx->ks, 6);
#else
cx->ks[v(56,(4))] = ss[4] = word_in(key, 4);
cx->ks[v(56,(5))] = ss[5] = word_in(key, 5);
cx->ks[v(56,(6))] = ss[6] = word_in(key, 6);
cx->ks[v(56,(7))] = ss[7] = word_in(key, 7);
{ uint_32t i;
for(i = 0; i < 6; ++i)
k8e(cx->ks, i);
k8ef(cx->ks, 6);
#if !(DEC_ROUND == NO_TABLES)
for(i = N_COLS; i < 14 * N_COLS; ++i)
cx->ks[i] = inv_mcol(cx->ks[i]);
#endif
}
#endif
cx->inf.l = 0;
cx->inf.b[0] = 14 * 16;
#ifdef USE_VIA_ACE_IF_PRESENT
if(VIA_ACE_AVAILABLE)
cx->inf.b[1] = 0xff;
#endif
return EXIT_SUCCESS;
}
#endif
#if defined( AES_VAR )
AES_RETURN aes_decrypt_key(const unsigned char *key, int key_len, aes_decrypt_ctx cx[1])
{
switch(key_len)
{
case 16: case 128: return aes_decrypt_key128(key, cx);
case 24: case 192: return aes_decrypt_key192(key, cx);
case 32: case 256: return aes_decrypt_key256(key, cx);
default: return EXIT_FAILURE;
}
}
#endif
#endif
#if defined(__cplusplus)
}
#endif

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src/java/KP2AKdbLibrary/jni/aes/aesopt.h Normal file
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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
This file contains the compilation options for AES (Rijndael) and code
that is common across encryption, key scheduling and table generation.
OPERATION
These source code files implement the AES algorithm Rijndael designed by
Joan Daemen and Vincent Rijmen. This version is designed for the standard
block size of 16 bytes and for key sizes of 128, 192 and 256 bits (16, 24
and 32 bytes).
This version is designed for flexibility and speed using operations on
32-bit words rather than operations on bytes. It can be compiled with
either big or little endian internal byte order but is faster when the
native byte order for the processor is used.
THE CIPHER INTERFACE
The cipher interface is implemented as an array of bytes in which lower
AES bit sequence indexes map to higher numeric significance within bytes.
uint_8t (an unsigned 8-bit type)
uint_32t (an unsigned 32-bit type)
struct aes_encrypt_ctx (structure for the cipher encryption context)
struct aes_decrypt_ctx (structure for the cipher decryption context)
AES_RETURN the function return type
C subroutine calls:
AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1]);
AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1]);
AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1]);
AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out,
const aes_encrypt_ctx cx[1]);
AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1]);
AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1]);
AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1]);
AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out,
const aes_decrypt_ctx cx[1]);
IMPORTANT NOTE: If you are using this C interface with dynamic tables make sure that
you call aes_init() before AES is used so that the tables are initialised.
C++ aes class subroutines:
Class AESencrypt for encryption
Construtors:
AESencrypt(void)
AESencrypt(const unsigned char *key) - 128 bit key
Members:
AES_RETURN key128(const unsigned char *key)
AES_RETURN key192(const unsigned char *key)
AES_RETURN key256(const unsigned char *key)
AES_RETURN encrypt(const unsigned char *in, unsigned char *out) const
Class AESdecrypt for encryption
Construtors:
AESdecrypt(void)
AESdecrypt(const unsigned char *key) - 128 bit key
Members:
AES_RETURN key128(const unsigned char *key)
AES_RETURN key192(const unsigned char *key)
AES_RETURN key256(const unsigned char *key)
AES_RETURN decrypt(const unsigned char *in, unsigned char *out) const
*/
#if !defined( _AESOPT_H )
#define _AESOPT_H
#if defined( __cplusplus )
#include "aescpp.h"
#else
#include "aes.h"
#endif
/* PLATFORM SPECIFIC INCLUDES */
#include "brg_endian.h"
/* CONFIGURATION - THE USE OF DEFINES
Later in this section there are a number of defines that control the
operation of the code. In each section, the purpose of each define is
explained so that the relevant form can be included or excluded by
setting either 1's or 0's respectively on the branches of the related
#if clauses. The following local defines should not be changed.
*/
#define ENCRYPTION_IN_C 1
#define DECRYPTION_IN_C 2
#define ENC_KEYING_IN_C 4
#define DEC_KEYING_IN_C 8
#define NO_TABLES 0
#define ONE_TABLE 1
#define FOUR_TABLES 4
#define NONE 0
#define PARTIAL 1
#define FULL 2
/* --- START OF USER CONFIGURED OPTIONS --- */
/* 1. BYTE ORDER WITHIN 32 BIT WORDS
The fundamental data processing units in Rijndael are 8-bit bytes. The
input, output and key input are all enumerated arrays of bytes in which
bytes are numbered starting at zero and increasing to one less than the
number of bytes in the array in question. This enumeration is only used
for naming bytes and does not imply any adjacency or order relationship
from one byte to another. When these inputs and outputs are considered
as bit sequences, bits 8*n to 8*n+7 of the bit sequence are mapped to
byte[n] with bit 8n+i in the sequence mapped to bit 7-i within the byte.
In this implementation bits are numbered from 0 to 7 starting at the
numerically least significant end of each byte (bit n represents 2^n).
However, Rijndael can be implemented more efficiently using 32-bit
words by packing bytes into words so that bytes 4*n to 4*n+3 are placed
into word[n]. While in principle these bytes can be assembled into words
in any positions, this implementation only supports the two formats in
which bytes in adjacent positions within words also have adjacent byte
numbers. This order is called big-endian if the lowest numbered bytes
in words have the highest numeric significance and little-endian if the
opposite applies.
This code can work in either order irrespective of the order used by the
machine on which it runs. Normally the internal byte order will be set
to the order of the processor on which the code is to be run but this
define can be used to reverse this in special situations
WARNING: Assembler code versions rely on PLATFORM_BYTE_ORDER being set.
This define will hence be redefined later (in section 4) if necessary
*/
#if 1
# define ALGORITHM_BYTE_ORDER PLATFORM_BYTE_ORDER
#elif 0
# define ALGORITHM_BYTE_ORDER IS_LITTLE_ENDIAN
#elif 0
# define ALGORITHM_BYTE_ORDER IS_BIG_ENDIAN
#else
# error The algorithm byte order is not defined
#endif
/* 2. VIA ACE SUPPORT */
#if defined( __GNUC__ ) && defined( __i386__ ) \
|| defined( _WIN32 ) && defined( _M_IX86 ) \
&& !(defined( _WIN64 ) || defined( _WIN32_WCE ) || defined( _MSC_VER ) && ( _MSC_VER <= 800 ))
# define VIA_ACE_POSSIBLE
#endif
/* Define this option if support for the VIA ACE is required. This uses
inline assembler instructions and is only implemented for the Microsoft,
Intel and GCC compilers. If VIA ACE is known to be present, then defining
ASSUME_VIA_ACE_PRESENT will remove the ordinary encryption/decryption
code. If USE_VIA_ACE_IF_PRESENT is defined then VIA ACE will be used if
it is detected (both present and enabled) but the normal AES code will
also be present.
When VIA ACE is to be used, all AES encryption contexts MUST be 16 byte
aligned; other input/output buffers do not need to be 16 byte aligned
but there are very large performance gains if this can be arranged.
VIA ACE also requires the decryption key schedule to be in reverse
order (which later checks below ensure).
*/
/* Disable VIA ACE cpu detection which crashes on x86 android devices */
#if 0 && defined( VIA_ACE_POSSIBLE ) && !defined( USE_VIA_ACE_IF_PRESENT )
# define USE_VIA_ACE_IF_PRESENT
#endif
#if 0 && defined( VIA_ACE_POSSIBLE ) && !defined( ASSUME_VIA_ACE_PRESENT )
# define ASSUME_VIA_ACE_PRESENT
# endif
/* 3. ASSEMBLER SUPPORT
This define (which can be on the command line) enables the use of the
assembler code routines for encryption, decryption and key scheduling
as follows:
ASM_X86_V1C uses the assembler (aes_x86_v1.asm) with large tables for
encryption and decryption and but with key scheduling in C
ASM_X86_V2 uses assembler (aes_x86_v2.asm) with compressed tables for
encryption, decryption and key scheduling
ASM_X86_V2C uses assembler (aes_x86_v2.asm) with compressed tables for
encryption and decryption and but with key scheduling in C
ASM_AMD64_C uses assembler (aes_amd64.asm) with compressed tables for
encryption and decryption and but with key scheduling in C
Change one 'if 0' below to 'if 1' to select the version or define
as a compilation option.
*/
#if 0 && !defined( ASM_X86_V1C )
# define ASM_X86_V1C
#elif 0 && !defined( ASM_X86_V2 )
# define ASM_X86_V2
#elif 0 && !defined( ASM_X86_V2C )
# define ASM_X86_V2C
#elif 0 && !defined( ASM_AMD64_C )
# define ASM_AMD64_C
#endif
#if (defined ( ASM_X86_V1C ) || defined( ASM_X86_V2 ) || defined( ASM_X86_V2C )) \
&& !defined( _M_IX86 ) || defined( ASM_AMD64_C ) && !defined( _M_X64 )
# error Assembler code is only available for x86 and AMD64 systems
#endif
/* 4. FAST INPUT/OUTPUT OPERATIONS.
On some machines it is possible to improve speed by transferring the
bytes in the input and output arrays to and from the internal 32-bit
variables by addressing these arrays as if they are arrays of 32-bit
words. On some machines this will always be possible but there may
be a large performance penalty if the byte arrays are not aligned on
the normal word boundaries. On other machines this technique will
lead to memory access errors when such 32-bit word accesses are not
properly aligned. The option SAFE_IO avoids such problems but will
often be slower on those machines that support misaligned access
(especially so if care is taken to align the input and output byte
arrays on 32-bit word boundaries). If SAFE_IO is not defined it is
assumed that access to byte arrays as if they are arrays of 32-bit
words will not cause problems when such accesses are misaligned.
*/
#if 1 && !defined( _MSC_VER )
# define SAFE_IO
#endif
/* 5. LOOP UNROLLING
The code for encryption and decrytpion cycles through a number of rounds
that can be implemented either in a loop or by expanding the code into a
long sequence of instructions, the latter producing a larger program but
one that will often be much faster. The latter is called loop unrolling.
There are also potential speed advantages in expanding two iterations in
a loop with half the number of iterations, which is called partial loop
unrolling. The following options allow partial or full loop unrolling
to be set independently for encryption and decryption
*/
#if 1
# define ENC_UNROLL FULL
#elif 0
# define ENC_UNROLL PARTIAL
#else
# define ENC_UNROLL NONE
#endif
#if 1
# define DEC_UNROLL FULL
#elif 0
# define DEC_UNROLL PARTIAL
#else
# define DEC_UNROLL NONE
#endif
#if 1
# define ENC_KS_UNROLL
#endif
#if 1
# define DEC_KS_UNROLL
#endif
/* 6. FAST FINITE FIELD OPERATIONS
If this section is included, tables are used to provide faster finite
field arithmetic (this has no effect if FIXED_TABLES is defined).
*/
#if 1
# define FF_TABLES
#endif
/* 7. INTERNAL STATE VARIABLE FORMAT
The internal state of Rijndael is stored in a number of local 32-bit
word varaibles which can be defined either as an array or as individual
names variables. Include this section if you want to store these local
varaibles in arrays. Otherwise individual local variables will be used.
*/
#if 1
# define ARRAYS
#endif
/* 8. FIXED OR DYNAMIC TABLES
When this section is included the tables used by the code are compiled
statically into the binary file. Otherwise the subroutine aes_init()
must be called to compute them before the code is first used.
*/
#if 1 && !(defined( _MSC_VER ) && ( _MSC_VER <= 800 ))
# define FIXED_TABLES
#endif
/* 9. MASKING OR CASTING FROM LONGER VALUES TO BYTES
In some systems it is better to mask longer values to extract bytes
rather than using a cast. This option allows this choice.
*/
#if 0
# define to_byte(x) ((uint_8t)(x))
#else
# define to_byte(x) ((x) & 0xff)
#endif
/* 10. TABLE ALIGNMENT
On some sytsems speed will be improved by aligning the AES large lookup
tables on particular boundaries. This define should be set to a power of
two giving the desired alignment. It can be left undefined if alignment
is not needed. This option is specific to the Microsft VC++ compiler -
it seems to sometimes cause trouble for the VC++ version 6 compiler.
*/
#if 1 && defined( _MSC_VER ) && ( _MSC_VER >= 1300 )
# define TABLE_ALIGN 32
#endif
/* 11. REDUCE CODE AND TABLE SIZE
This replaces some expanded macros with function calls if AES_ASM_V2 or
AES_ASM_V2C are defined
*/
#if 1 && (defined( ASM_X86_V2 ) || defined( ASM_X86_V2C ))
# define REDUCE_CODE_SIZE
#endif
/* 12. TABLE OPTIONS
This cipher proceeds by repeating in a number of cycles known as 'rounds'
which are implemented by a round function which can optionally be speeded
up using tables. The basic tables are each 256 32-bit words, with either
one or four tables being required for each round function depending on
how much speed is required. The encryption and decryption round functions
are different and the last encryption and decrytpion round functions are
different again making four different round functions in all.
This means that:
1. Normal encryption and decryption rounds can each use either 0, 1
or 4 tables and table spaces of 0, 1024 or 4096 bytes each.
2. The last encryption and decryption rounds can also use either 0, 1
or 4 tables and table spaces of 0, 1024 or 4096 bytes each.
Include or exclude the appropriate definitions below to set the number
of tables used by this implementation.
*/
#if 1 /* set tables for the normal encryption round */
# define ENC_ROUND FOUR_TABLES
#elif 0
# define ENC_ROUND ONE_TABLE
#else
# define ENC_ROUND NO_TABLES
#endif
#if 1 /* set tables for the last encryption round */
# define LAST_ENC_ROUND FOUR_TABLES
#elif 0
# define LAST_ENC_ROUND ONE_TABLE
#else
# define LAST_ENC_ROUND NO_TABLES
#endif
#if 1 /* set tables for the normal decryption round */
# define DEC_ROUND FOUR_TABLES
#elif 0
# define DEC_ROUND ONE_TABLE
#else
# define DEC_ROUND NO_TABLES
#endif
#if 1 /* set tables for the last decryption round */
# define LAST_DEC_ROUND FOUR_TABLES
#elif 0
# define LAST_DEC_ROUND ONE_TABLE
#else
# define LAST_DEC_ROUND NO_TABLES
#endif
/* The decryption key schedule can be speeded up with tables in the same
way that the round functions can. Include or exclude the following
defines to set this requirement.
*/
#if 1
# define KEY_SCHED FOUR_TABLES
#elif 0
# define KEY_SCHED ONE_TABLE
#else
# define KEY_SCHED NO_TABLES
#endif
/* ---- END OF USER CONFIGURED OPTIONS ---- */
/* VIA ACE support is only available for VC++ and GCC */
#if !defined( _MSC_VER ) && !defined( __GNUC__ )
# if defined( ASSUME_VIA_ACE_PRESENT )
# undef ASSUME_VIA_ACE_PRESENT
# endif
# if defined( USE_VIA_ACE_IF_PRESENT )
# undef USE_VIA_ACE_IF_PRESENT
# endif
#endif
#if defined( ASSUME_VIA_ACE_PRESENT ) && !defined( USE_VIA_ACE_IF_PRESENT )
# define USE_VIA_ACE_IF_PRESENT
#endif
#if defined( USE_VIA_ACE_IF_PRESENT ) && !defined ( AES_REV_DKS )
# define AES_REV_DKS
#endif
/* Assembler support requires the use of platform byte order */
#if ( defined( ASM_X86_V1C ) || defined( ASM_X86_V2C ) || defined( ASM_AMD64_C ) ) \
&& (ALGORITHM_BYTE_ORDER != PLATFORM_BYTE_ORDER)
# undef ALGORITHM_BYTE_ORDER
# define ALGORITHM_BYTE_ORDER PLATFORM_BYTE_ORDER
#endif
/* In this implementation the columns of the state array are each held in
32-bit words. The state array can be held in various ways: in an array
of words, in a number of individual word variables or in a number of
processor registers. The following define maps a variable name x and
a column number c to the way the state array variable is to be held.
The first define below maps the state into an array x[c] whereas the
second form maps the state into a number of individual variables x0,
x1, etc. Another form could map individual state colums to machine
register names.
*/
#if defined( ARRAYS )
# define s(x,c) x[c]
#else
# define s(x,c) x##c
#endif
/* This implementation provides subroutines for encryption, decryption
and for setting the three key lengths (separately) for encryption
and decryption. Since not all functions are needed, masks are set
up here to determine which will be implemented in C
*/
#if !defined( AES_ENCRYPT )
# define EFUNCS_IN_C 0
#elif defined( ASSUME_VIA_ACE_PRESENT ) || defined( ASM_X86_V1C ) \
|| defined( ASM_X86_V2C ) || defined( ASM_AMD64_C )
# define EFUNCS_IN_C ENC_KEYING_IN_C
#elif !defined( ASM_X86_V2 )
# define EFUNCS_IN_C ( ENCRYPTION_IN_C | ENC_KEYING_IN_C )
#else
# define EFUNCS_IN_C 0
#endif
#if !defined( AES_DECRYPT )
# define DFUNCS_IN_C 0
#elif defined( ASSUME_VIA_ACE_PRESENT ) || defined( ASM_X86_V1C ) \
|| defined( ASM_X86_V2C ) || defined( ASM_AMD64_C )
# define DFUNCS_IN_C DEC_KEYING_IN_C
#elif !defined( ASM_X86_V2 )
# define DFUNCS_IN_C ( DECRYPTION_IN_C | DEC_KEYING_IN_C )
#else
# define DFUNCS_IN_C 0
#endif
#define FUNCS_IN_C ( EFUNCS_IN_C | DFUNCS_IN_C )
/* END OF CONFIGURATION OPTIONS */
#define RC_LENGTH (5 * (AES_BLOCK_SIZE / 4 - 2))
/* Disable or report errors on some combinations of options */
#if ENC_ROUND == NO_TABLES && LAST_ENC_ROUND != NO_TABLES
# undef LAST_ENC_ROUND
# define LAST_ENC_ROUND NO_TABLES
#elif ENC_ROUND == ONE_TABLE && LAST_ENC_ROUND == FOUR_TABLES
# undef LAST_ENC_ROUND
# define LAST_ENC_ROUND ONE_TABLE
#endif
#if ENC_ROUND == NO_TABLES && ENC_UNROLL != NONE
# undef ENC_UNROLL
# define ENC_UNROLL NONE
#endif
#if DEC_ROUND == NO_TABLES && LAST_DEC_ROUND != NO_TABLES
# undef LAST_DEC_ROUND
# define LAST_DEC_ROUND NO_TABLES
#elif DEC_ROUND == ONE_TABLE && LAST_DEC_ROUND == FOUR_TABLES
# undef LAST_DEC_ROUND
# define LAST_DEC_ROUND ONE_TABLE
#endif
#if DEC_ROUND == NO_TABLES && DEC_UNROLL != NONE
# undef DEC_UNROLL
# define DEC_UNROLL NONE
#endif
#if defined( bswap32 )
# define aes_sw32 bswap32
#elif defined( bswap_32 )
# define aes_sw32 bswap_32
#else
# define brot(x,n) (((uint_32t)(x) << n) | ((uint_32t)(x) >> (32 - n)))
# define aes_sw32(x) ((brot((x),8) & 0x00ff00ff) | (brot((x),24) & 0xff00ff00))
#endif
/* upr(x,n): rotates bytes within words by n positions, moving bytes to
higher index positions with wrap around into low positions
ups(x,n): moves bytes by n positions to higher index positions in
words but without wrap around
bval(x,n): extracts a byte from a word
WARNING: The definitions given here are intended only for use with
unsigned variables and with shift counts that are compile
time constants
*/
#if ( ALGORITHM_BYTE_ORDER == IS_LITTLE_ENDIAN )
# define upr(x,n) (((uint_32t)(x) << (8 * (n))) | ((uint_32t)(x) >> (32 - 8 * (n))))
# define ups(x,n) ((uint_32t) (x) << (8 * (n)))
# define bval(x,n) to_byte((x) >> (8 * (n)))
# define bytes2word(b0, b1, b2, b3) \
(((uint_32t)(b3) << 24) | ((uint_32t)(b2) << 16) | ((uint_32t)(b1) << 8) | (b0))
#endif
#if ( ALGORITHM_BYTE_ORDER == IS_BIG_ENDIAN )
# define upr(x,n) (((uint_32t)(x) >> (8 * (n))) | ((uint_32t)(x) << (32 - 8 * (n))))
# define ups(x,n) ((uint_32t) (x) >> (8 * (n)))
# define bval(x,n) to_byte((x) >> (24 - 8 * (n)))
# define bytes2word(b0, b1, b2, b3) \
(((uint_32t)(b0) << 24) | ((uint_32t)(b1) << 16) | ((uint_32t)(b2) << 8) | (b3))
#endif
#if defined( SAFE_IO )
# define word_in(x,c) bytes2word(((const uint_8t*)(x)+4*c)[0], ((const uint_8t*)(x)+4*c)[1], \
((const uint_8t*)(x)+4*c)[2], ((const uint_8t*)(x)+4*c)[3])
# define word_out(x,c,v) { ((uint_8t*)(x)+4*c)[0] = bval(v,0); ((uint_8t*)(x)+4*c)[1] = bval(v,1); \
((uint_8t*)(x)+4*c)[2] = bval(v,2); ((uint_8t*)(x)+4*c)[3] = bval(v,3); }
#elif ( ALGORITHM_BYTE_ORDER == PLATFORM_BYTE_ORDER )
# define word_in(x,c) (*((uint_32t*)(x)+(c)))
# define word_out(x,c,v) (*((uint_32t*)(x)+(c)) = (v))
#else
# define word_in(x,c) aes_sw32(*((uint_32t*)(x)+(c)))
# define word_out(x,c,v) (*((uint_32t*)(x)+(c)) = aes_sw32(v))
#endif
/* the finite field modular polynomial and elements */
#define WPOLY 0x011b
#define BPOLY 0x1b
/* multiply four bytes in GF(2^8) by 'x' {02} in parallel */
#define m1 0x80808080
#define m2 0x7f7f7f7f
#define gf_mulx(x) ((((x) & m2) << 1) ^ ((((x) & m1) >> 7) * BPOLY))
/* The following defines provide alternative definitions of gf_mulx that might
give improved performance if a fast 32-bit multiply is not available. Note
that a temporary variable u needs to be defined where gf_mulx is used.
#define gf_mulx(x) (u = (x) & m1, u |= (u >> 1), ((x) & m2) << 1) ^ ((u >> 3) | (u >> 6))
#define m4 (0x01010101 * BPOLY)
#define gf_mulx(x) (u = (x) & m1, ((x) & m2) << 1) ^ ((u - (u >> 7)) & m4)
*/
/* Work out which tables are needed for the different options */
#if defined( ASM_X86_V1C )
# if defined( ENC_ROUND )
# undef ENC_ROUND
# endif
# define ENC_ROUND FOUR_TABLES
# if defined( LAST_ENC_ROUND )
# undef LAST_ENC_ROUND
# endif
# define LAST_ENC_ROUND FOUR_TABLES
# if defined( DEC_ROUND )
# undef DEC_ROUND
# endif
# define DEC_ROUND FOUR_TABLES
# if defined( LAST_DEC_ROUND )
# undef LAST_DEC_ROUND
# endif
# define LAST_DEC_ROUND FOUR_TABLES
# if defined( KEY_SCHED )
# undef KEY_SCHED
# define KEY_SCHED FOUR_TABLES
# endif
#endif
#if ( FUNCS_IN_C & ENCRYPTION_IN_C ) || defined( ASM_X86_V1C )
# if ENC_ROUND == ONE_TABLE
# define FT1_SET
# elif ENC_ROUND == FOUR_TABLES
# define FT4_SET
# else
# define SBX_SET
# endif
# if LAST_ENC_ROUND == ONE_TABLE
# define FL1_SET
# elif LAST_ENC_ROUND == FOUR_TABLES
# define FL4_SET
# elif !defined( SBX_SET )
# define SBX_SET
# endif
#endif
#if ( FUNCS_IN_C & DECRYPTION_IN_C ) || defined( ASM_X86_V1C )
# if DEC_ROUND == ONE_TABLE
# define IT1_SET
# elif DEC_ROUND == FOUR_TABLES
# define IT4_SET
# else
# define ISB_SET
# endif
# if LAST_DEC_ROUND == ONE_TABLE
# define IL1_SET
# elif LAST_DEC_ROUND == FOUR_TABLES
# define IL4_SET
# elif !defined(ISB_SET)
# define ISB_SET
# endif
#endif
#if !(defined( REDUCE_CODE_SIZE ) && (defined( ASM_X86_V2 ) || defined( ASM_X86_V2C )))
# if ((FUNCS_IN_C & ENC_KEYING_IN_C) || (FUNCS_IN_C & DEC_KEYING_IN_C))
# if KEY_SCHED == ONE_TABLE
# if !defined( FL1_SET ) && !defined( FL4_SET )
# define LS1_SET
# endif
# elif KEY_SCHED == FOUR_TABLES
# if !defined( FL4_SET )
# define LS4_SET
# endif
# elif !defined( SBX_SET )
# define SBX_SET
# endif
# endif
# if (FUNCS_IN_C & DEC_KEYING_IN_C)
# if KEY_SCHED == ONE_TABLE
# define IM1_SET
# elif KEY_SCHED == FOUR_TABLES
# define IM4_SET
# elif !defined( SBX_SET )
# define SBX_SET
# endif
# endif
#endif
/* generic definitions of Rijndael macros that use tables */
#define no_table(x,box,vf,rf,c) bytes2word( \
box[bval(vf(x,0,c),rf(0,c))], \
box[bval(vf(x,1,c),rf(1,c))], \
box[bval(vf(x,2,c),rf(2,c))], \
box[bval(vf(x,3,c),rf(3,c))])
#define one_table(x,op,tab,vf,rf,c) \
( tab[bval(vf(x,0,c),rf(0,c))] \
^ op(tab[bval(vf(x,1,c),rf(1,c))],1) \
^ op(tab[bval(vf(x,2,c),rf(2,c))],2) \
^ op(tab[bval(vf(x,3,c),rf(3,c))],3))
#define four_tables(x,tab,vf,rf,c) \
( tab[0][bval(vf(x,0,c),rf(0,c))] \
^ tab[1][bval(vf(x,1,c),rf(1,c))] \
^ tab[2][bval(vf(x,2,c),rf(2,c))] \
^ tab[3][bval(vf(x,3,c),rf(3,c))])
#define vf1(x,r,c) (x)
#define rf1(r,c) (r)
#define rf2(r,c) ((8+r-c)&3)
/* perform forward and inverse column mix operation on four bytes in long word x in */
/* parallel. NOTE: x must be a simple variable, NOT an expression in these macros. */
#if !(defined( REDUCE_CODE_SIZE ) && (defined( ASM_X86_V2 ) || defined( ASM_X86_V2C )))
#if defined( FM4_SET ) /* not currently used */
# define fwd_mcol(x) four_tables(x,t_use(f,m),vf1,rf1,0)
#elif defined( FM1_SET ) /* not currently used */
# define fwd_mcol(x) one_table(x,upr,t_use(f,m),vf1,rf1,0)
#else
# define dec_fmvars uint_32t g2
# define fwd_mcol(x) (g2 = gf_mulx(x), g2 ^ upr((x) ^ g2, 3) ^ upr((x), 2) ^ upr((x), 1))
#endif
#if defined( IM4_SET )
# define inv_mcol(x) four_tables(x,t_use(i,m),vf1,rf1,0)
#elif defined( IM1_SET )
# define inv_mcol(x) one_table(x,upr,t_use(i,m),vf1,rf1,0)
#else
# define dec_imvars uint_32t g2, g4, g9
# define inv_mcol(x) (g2 = gf_mulx(x), g4 = gf_mulx(g2), g9 = (x) ^ gf_mulx(g4), g4 ^= g9, \
(x) ^ g2 ^ g4 ^ upr(g2 ^ g9, 3) ^ upr(g4, 2) ^ upr(g9, 1))
#endif
#if defined( FL4_SET )
# define ls_box(x,c) four_tables(x,t_use(f,l),vf1,rf2,c)
#elif defined( LS4_SET )
# define ls_box(x,c) four_tables(x,t_use(l,s),vf1,rf2,c)
#elif defined( FL1_SET )
# define ls_box(x,c) one_table(x,upr,t_use(f,l),vf1,rf2,c)
#elif defined( LS1_SET )
# define ls_box(x,c) one_table(x,upr,t_use(l,s),vf1,rf2,c)
#else
# define ls_box(x,c) no_table(x,t_use(s,box),vf1,rf2,c)
#endif
#endif
#if defined( ASM_X86_V1C ) && defined( AES_DECRYPT ) && !defined( ISB_SET )
# define ISB_SET
#endif
#endif

398
src/java/KP2AKdbLibrary/jni/aes/aestab.c Normal file
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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
*/
#define DO_TABLES
#include "aes.h"
#include "aesopt.h"
#if defined(FIXED_TABLES)
#define sb_data(w) {\
w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5),\
w(0x30), w(0x01), w(0x67), w(0x2b), w(0xfe), w(0xd7), w(0xab), w(0x76),\
w(0xca), w(0x82), w(0xc9), w(0x7d), w(0xfa), w(0x59), w(0x47), w(0xf0),\
w(0xad), w(0xd4), w(0xa2), w(0xaf), w(0x9c), w(0xa4), w(0x72), w(0xc0),\
w(0xb7), w(0xfd), w(0x93), w(0x26), w(0x36), w(0x3f), w(0xf7), w(0xcc),\
w(0x34), w(0xa5), w(0xe5), w(0xf1), w(0x71), w(0xd8), w(0x31), w(0x15),\
w(0x04), w(0xc7), w(0x23), w(0xc3), w(0x18), w(0x96), w(0x05), w(0x9a),\
w(0x07), w(0x12), w(0x80), w(0xe2), w(0xeb), w(0x27), w(0xb2), w(0x75),\
w(0x09), w(0x83), w(0x2c), w(0x1a), w(0x1b), w(0x6e), w(0x5a), w(0xa0),\
w(0x52), w(0x3b), w(0xd6), w(0xb3), w(0x29), w(0xe3), w(0x2f), w(0x84),\
w(0x53), w(0xd1), w(0x00), w(0xed), w(0x20), w(0xfc), w(0xb1), w(0x5b),\
w(0x6a), w(0xcb), w(0xbe), w(0x39), w(0x4a), w(0x4c), w(0x58), w(0xcf),\
w(0xd0), w(0xef), w(0xaa), w(0xfb), w(0x43), w(0x4d), w(0x33), w(0x85),\
w(0x45), w(0xf9), w(0x02), w(0x7f), w(0x50), w(0x3c), w(0x9f), w(0xa8),\
w(0x51), w(0xa3), w(0x40), w(0x8f), w(0x92), w(0x9d), w(0x38), w(0xf5),\
w(0xbc), w(0xb6), w(0xda), w(0x21), w(0x10), w(0xff), w(0xf3), w(0xd2),\
w(0xcd), w(0x0c), w(0x13), w(0xec), w(0x5f), w(0x97), w(0x44), w(0x17),\
w(0xc4), w(0xa7), w(0x7e), w(0x3d), w(0x64), w(0x5d), w(0x19), w(0x73),\
w(0x60), w(0x81), w(0x4f), w(0xdc), w(0x22), w(0x2a), w(0x90), w(0x88),\
w(0x46), w(0xee), w(0xb8), w(0x14), w(0xde), w(0x5e), w(0x0b), w(0xdb),\
w(0xe0), w(0x32), w(0x3a), w(0x0a), w(0x49), w(0x06), w(0x24), w(0x5c),\
w(0xc2), w(0xd3), w(0xac), w(0x62), w(0x91), w(0x95), w(0xe4), w(0x79),\
w(0xe7), w(0xc8), w(0x37), w(0x6d), w(0x8d), w(0xd5), w(0x4e), w(0xa9),\
w(0x6c), w(0x56), w(0xf4), w(0xea), w(0x65), w(0x7a), w(0xae), w(0x08),\
w(0xba), w(0x78), w(0x25), w(0x2e), w(0x1c), w(0xa6), w(0xb4), w(0xc6),\
w(0xe8), w(0xdd), w(0x74), w(0x1f), w(0x4b), w(0xbd), w(0x8b), w(0x8a),\
w(0x70), w(0x3e), w(0xb5), w(0x66), w(0x48), w(0x03), w(0xf6), w(0x0e),\
w(0x61), w(0x35), w(0x57), w(0xb9), w(0x86), w(0xc1), w(0x1d), w(0x9e),\
w(0xe1), w(0xf8), w(0x98), w(0x11), w(0x69), w(0xd9), w(0x8e), w(0x94),\
w(0x9b), w(0x1e), w(0x87), w(0xe9), w(0xce), w(0x55), w(0x28), w(0xdf),\
w(0x8c), w(0xa1), w(0x89), w(0x0d), w(0xbf), w(0xe6), w(0x42), w(0x68),\
w(0x41), w(0x99), w(0x2d), w(0x0f), w(0xb0), w(0x54), w(0xbb), w(0x16) }
#define isb_data(w) {\
w(0x52), w(0x09), w(0x6a), w(0xd5), w(0x30), w(0x36), w(0xa5), w(0x38),\
w(0xbf), w(0x40), w(0xa3), w(0x9e), w(0x81), w(0xf3), w(0xd7), w(0xfb),\
w(0x7c), w(0xe3), w(0x39), w(0x82), w(0x9b), w(0x2f), w(0xff), w(0x87),\
w(0x34), w(0x8e), w(0x43), w(0x44), w(0xc4), w(0xde), w(0xe9), w(0xcb),\
w(0x54), w(0x7b), w(0x94), w(0x32), w(0xa6), w(0xc2), w(0x23), w(0x3d),\
w(0xee), w(0x4c), w(0x95), w(0x0b), w(0x42), w(0xfa), w(0xc3), w(0x4e),\
w(0x08), w(0x2e), w(0xa1), w(0x66), w(0x28), w(0xd9), w(0x24), w(0xb2),\
w(0x76), w(0x5b), w(0xa2), w(0x49), w(0x6d), w(0x8b), w(0xd1), w(0x25),\
w(0x72), w(0xf8), w(0xf6), w(0x64), w(0x86), w(0x68), w(0x98), w(0x16),\
w(0xd4), w(0xa4), w(0x5c), w(0xcc), w(0x5d), w(0x65), w(0xb6), w(0x92),\
w(0x6c), w(0x70), w(0x48), w(0x50), w(0xfd), w(0xed), w(0xb9), w(0xda),\
w(0x5e), w(0x15), w(0x46), w(0x57), w(0xa7), w(0x8d), w(0x9d), w(0x84),\
w(0x90), w(0xd8), w(0xab), w(0x00), w(0x8c), w(0xbc), w(0xd3), w(0x0a),\
w(0xf7), w(0xe4), w(0x58), w(0x05), w(0xb8), w(0xb3), w(0x45), w(0x06),\
w(0xd0), w(0x2c), w(0x1e), w(0x8f), w(0xca), w(0x3f), w(0x0f), w(0x02),\
w(0xc1), w(0xaf), w(0xbd), w(0x03), w(0x01), w(0x13), w(0x8a), w(0x6b),\
w(0x3a), w(0x91), w(0x11), w(0x41), w(0x4f), w(0x67), w(0xdc), w(0xea),\
w(0x97), w(0xf2), w(0xcf), w(0xce), w(0xf0), w(0xb4), w(0xe6), w(0x73),\
w(0x96), w(0xac), w(0x74), w(0x22), w(0xe7), w(0xad), w(0x35), w(0x85),\
w(0xe2), w(0xf9), w(0x37), w(0xe8), w(0x1c), w(0x75), w(0xdf), w(0x6e),\
w(0x47), w(0xf1), w(0x1a), w(0x71), w(0x1d), w(0x29), w(0xc5), w(0x89),\
w(0x6f), w(0xb7), w(0x62), w(0x0e), w(0xaa), w(0x18), w(0xbe), w(0x1b),\
w(0xfc), w(0x56), w(0x3e), w(0x4b), w(0xc6), w(0xd2), w(0x79), w(0x20),\
w(0x9a), w(0xdb), w(0xc0), w(0xfe), w(0x78), w(0xcd), w(0x5a), w(0xf4),\
w(0x1f), w(0xdd), w(0xa8), w(0x33), w(0x88), w(0x07), w(0xc7), w(0x31),\
w(0xb1), w(0x12), w(0x10), w(0x59), w(0x27), w(0x80), w(0xec), w(0x5f),\
w(0x60), w(0x51), w(0x7f), w(0xa9), w(0x19), w(0xb5), w(0x4a), w(0x0d),\
w(0x2d), w(0xe5), w(0x7a), w(0x9f), w(0x93), w(0xc9), w(0x9c), w(0xef),\
w(0xa0), w(0xe0), w(0x3b), w(0x4d), w(0xae), w(0x2a), w(0xf5), w(0xb0),\
w(0xc8), w(0xeb), w(0xbb), w(0x3c), w(0x83), w(0x53), w(0x99), w(0x61),\
w(0x17), w(0x2b), w(0x04), w(0x7e), w(0xba), w(0x77), w(0xd6), w(0x26),\
w(0xe1), w(0x69), w(0x14), w(0x63), w(0x55), w(0x21), w(0x0c), w(0x7d) }
#define mm_data(w) {\
w(0x00), w(0x01), w(0x02), w(0x03), w(0x04), w(0x05), w(0x06), w(0x07),\
w(0x08), w(0x09), w(0x0a), w(0x0b), w(0x0c), w(0x0d), w(0x0e), w(0x0f),\
w(0x10), w(0x11), w(0x12), w(0x13), w(0x14), w(0x15), w(0x16), w(0x17),\
w(0x18), w(0x19), w(0x1a), w(0x1b), w(0x1c), w(0x1d), w(0x1e), w(0x1f),\
w(0x20), w(0x21), w(0x22), w(0x23), w(0x24), w(0x25), w(0x26), w(0x27),\
w(0x28), w(0x29), w(0x2a), w(0x2b), w(0x2c), w(0x2d), w(0x2e), w(0x2f),\
w(0x30), w(0x31), w(0x32), w(0x33), w(0x34), w(0x35), w(0x36), w(0x37),\
w(0x38), w(0x39), w(0x3a), w(0x3b), w(0x3c), w(0x3d), w(0x3e), w(0x3f),\
w(0x40), w(0x41), w(0x42), w(0x43), w(0x44), w(0x45), w(0x46), w(0x47),\
w(0x48), w(0x49), w(0x4a), w(0x4b), w(0x4c), w(0x4d), w(0x4e), w(0x4f),\
w(0x50), w(0x51), w(0x52), w(0x53), w(0x54), w(0x55), w(0x56), w(0x57),\
w(0x58), w(0x59), w(0x5a), w(0x5b), w(0x5c), w(0x5d), w(0x5e), w(0x5f),\
w(0x60), w(0x61), w(0x62), w(0x63), w(0x64), w(0x65), w(0x66), w(0x67),\
w(0x68), w(0x69), w(0x6a), w(0x6b), w(0x6c), w(0x6d), w(0x6e), w(0x6f),\
w(0x70), w(0x71), w(0x72), w(0x73), w(0x74), w(0x75), w(0x76), w(0x77),\
w(0x78), w(0x79), w(0x7a), w(0x7b), w(0x7c), w(0x7d), w(0x7e), w(0x7f),\
w(0x80), w(0x81), w(0x82), w(0x83), w(0x84), w(0x85), w(0x86), w(0x87),\
w(0x88), w(0x89), w(0x8a), w(0x8b), w(0x8c), w(0x8d), w(0x8e), w(0x8f),\
w(0x90), w(0x91), w(0x92), w(0x93), w(0x94), w(0x95), w(0x96), w(0x97),\
w(0x98), w(0x99), w(0x9a), w(0x9b), w(0x9c), w(0x9d), w(0x9e), w(0x9f),\
w(0xa0), w(0xa1), w(0xa2), w(0xa3), w(0xa4), w(0xa5), w(0xa6), w(0xa7),\
w(0xa8), w(0xa9), w(0xaa), w(0xab), w(0xac), w(0xad), w(0xae), w(0xaf),\
w(0xb0), w(0xb1), w(0xb2), w(0xb3), w(0xb4), w(0xb5), w(0xb6), w(0xb7),\
w(0xb8), w(0xb9), w(0xba), w(0xbb), w(0xbc), w(0xbd), w(0xbe), w(0xbf),\
w(0xc0), w(0xc1), w(0xc2), w(0xc3), w(0xc4), w(0xc5), w(0xc6), w(0xc7),\
w(0xc8), w(0xc9), w(0xca), w(0xcb), w(0xcc), w(0xcd), w(0xce), w(0xcf),\
w(0xd0), w(0xd1), w(0xd2), w(0xd3), w(0xd4), w(0xd5), w(0xd6), w(0xd7),\
w(0xd8), w(0xd9), w(0xda), w(0xdb), w(0xdc), w(0xdd), w(0xde), w(0xdf),\
w(0xe0), w(0xe1), w(0xe2), w(0xe3), w(0xe4), w(0xe5), w(0xe6), w(0xe7),\
w(0xe8), w(0xe9), w(0xea), w(0xeb), w(0xec), w(0xed), w(0xee), w(0xef),\
w(0xf0), w(0xf1), w(0xf2), w(0xf3), w(0xf4), w(0xf5), w(0xf6), w(0xf7),\
w(0xf8), w(0xf9), w(0xfa), w(0xfb), w(0xfc), w(0xfd), w(0xfe), w(0xff) }
#define rc_data(w) {\
w(0x01), w(0x02), w(0x04), w(0x08), w(0x10),w(0x20), w(0x40), w(0x80),\
w(0x1b), w(0x36) }
#define h0(x) (x)
#define w0(p) bytes2word(p, 0, 0, 0)
#define w1(p) bytes2word(0, p, 0, 0)
#define w2(p) bytes2word(0, 0, p, 0)
#define w3(p) bytes2word(0, 0, 0, p)
#define u0(p) bytes2word(f2(p), p, p, f3(p))
#define u1(p) bytes2word(f3(p), f2(p), p, p)
#define u2(p) bytes2word(p, f3(p), f2(p), p)
#define u3(p) bytes2word(p, p, f3(p), f2(p))
#define v0(p) bytes2word(fe(p), f9(p), fd(p), fb(p))
#define v1(p) bytes2word(fb(p), fe(p), f9(p), fd(p))
#define v2(p) bytes2word(fd(p), fb(p), fe(p), f9(p))
#define v3(p) bytes2word(f9(p), fd(p), fb(p), fe(p))
#endif
#if defined(FIXED_TABLES) || !defined(FF_TABLES)
#define f2(x) ((x<<1) ^ (((x>>7) & 1) * WPOLY))
#define f4(x) ((x<<2) ^ (((x>>6) & 1) * WPOLY) ^ (((x>>6) & 2) * WPOLY))
#define f8(x) ((x<<3) ^ (((x>>5) & 1) * WPOLY) ^ (((x>>5) & 2) * WPOLY) \
^ (((x>>5) & 4) * WPOLY))
#define f3(x) (f2(x) ^ x)
#define f9(x) (f8(x) ^ x)
#define fb(x) (f8(x) ^ f2(x) ^ x)
#define fd(x) (f8(x) ^ f4(x) ^ x)
#define fe(x) (f8(x) ^ f4(x) ^ f2(x))
#else
#define f2(x) ((x) ? pow[log[x] + 0x19] : 0)
#define f3(x) ((x) ? pow[log[x] + 0x01] : 0)
#define f9(x) ((x) ? pow[log[x] + 0xc7] : 0)
#define fb(x) ((x) ? pow[log[x] + 0x68] : 0)
#define fd(x) ((x) ? pow[log[x] + 0xee] : 0)
#define fe(x) ((x) ? pow[log[x] + 0xdf] : 0)
#endif
#include "aestab.h"
#if defined(__cplusplus)
extern "C"
{
#endif
#if defined(FIXED_TABLES)
/* implemented in case of wrong call for fixed tables */
AES_RETURN aes_init(void)
{
return EXIT_SUCCESS;
}
#else /* Generate the tables for the dynamic table option */
#if defined(FF_TABLES)
#define gf_inv(x) ((x) ? pow[ 255 - log[x]] : 0)
#else
/* It will generally be sensible to use tables to compute finite
field multiplies and inverses but where memory is scarse this
code might sometimes be better. But it only has effect during
initialisation so its pretty unimportant in overall terms.
*/
/* return 2 ^ (n - 1) where n is the bit number of the highest bit
set in x with x in the range 1 < x < 0x00000200. This form is
used so that locals within fi can be bytes rather than words
*/
static uint_8t hibit(const uint_32t x)
{ uint_8t r = (uint_8t)((x >> 1) | (x >> 2));
r |= (r >> 2);
r |= (r >> 4);
return (r + 1) >> 1;
}
/* return the inverse of the finite field element x */
static uint_8t gf_inv(const uint_8t x)
{ uint_8t p1 = x, p2 = BPOLY, n1 = hibit(x), n2 = 0x80, v1 = 1, v2 = 0;
if(x < 2)
return x;
for( ; ; )
{
if(n1)
while(n2 >= n1) /* divide polynomial p2 by p1 */
{
n2 /= n1; /* shift smaller polynomial left */
p2 ^= (p1 * n2) & 0xff; /* and remove from larger one */
v2 ^= v1 * n2; /* shift accumulated value and */
n2 = hibit(p2); /* add into result */
}
else
return v1;
if(n2) /* repeat with values swapped */
while(n1 >= n2)
{
n1 /= n2;
p1 ^= p2 * n1;
v1 ^= v2 * n1;
n1 = hibit(p1);
}
else
return v2;
}
}
#endif
/* The forward and inverse affine transformations used in the S-box */
uint_8t fwd_affine(const uint_8t x)
{ uint_32t w = x;
w ^= (w << 1) ^ (w << 2) ^ (w << 3) ^ (w << 4);
return 0x63 ^ ((w ^ (w >> 8)) & 0xff);
}
uint_8t inv_affine(const uint_8t x)
{ uint_32t w = x;
w = (w << 1) ^ (w << 3) ^ (w << 6);
return 0x05 ^ ((w ^ (w >> 8)) & 0xff);
}
static int init = 0;
AES_RETURN aes_init(void)
{ uint_32t i, w;
#if defined(FF_TABLES)
uint_8t pow[512], log[256];
if(init)
return EXIT_SUCCESS;
/* log and power tables for GF(2^8) finite field with
WPOLY as modular polynomial - the simplest primitive
root is 0x03, used here to generate the tables
*/
i = 0; w = 1;
do
{
pow[i] = (uint_8t)w;
pow[i + 255] = (uint_8t)w;
log[w] = (uint_8t)i++;
w ^= (w << 1) ^ (w & 0x80 ? WPOLY : 0);
}
while (w != 1);
#else
if(init)
return EXIT_SUCCESS;
#endif
for(i = 0, w = 1; i < RC_LENGTH; ++i)
{
t_set(r,c)[i] = bytes2word(w, 0, 0, 0);
w = f2(w);
}
for(i = 0; i < 256; ++i)
{ uint_8t b;
b = fwd_affine(gf_inv((uint_8t)i));
w = bytes2word(f2(b), b, b, f3(b));
#if defined( SBX_SET )
t_set(s,box)[i] = b;
#endif
#if defined( FT1_SET ) /* tables for a normal encryption round */
t_set(f,n)[i] = w;
#endif
#if defined( FT4_SET )
t_set(f,n)[0][i] = w;
t_set(f,n)[1][i] = upr(w,1);
t_set(f,n)[2][i] = upr(w,2);
t_set(f,n)[3][i] = upr(w,3);
#endif
w = bytes2word(b, 0, 0, 0);
#if defined( FL1_SET ) /* tables for last encryption round (may also */
t_set(f,l)[i] = w; /* be used in the key schedule) */
#endif
#if defined( FL4_SET )
t_set(f,l)[0][i] = w;
t_set(f,l)[1][i] = upr(w,1);
t_set(f,l)[2][i] = upr(w,2);
t_set(f,l)[3][i] = upr(w,3);
#endif
#if defined( LS1_SET ) /* table for key schedule if t_set(f,l) above is*/
t_set(l,s)[i] = w; /* not of the required form */
#endif
#if defined( LS4_SET )
t_set(l,s)[0][i] = w;
t_set(l,s)[1][i] = upr(w,1);
t_set(l,s)[2][i] = upr(w,2);
t_set(l,s)[3][i] = upr(w,3);
#endif
b = gf_inv(inv_affine((uint_8t)i));
w = bytes2word(fe(b), f9(b), fd(b), fb(b));
#if defined( IM1_SET ) /* tables for the inverse mix column operation */
t_set(i,m)[b] = w;
#endif
#if defined( IM4_SET )
t_set(i,m)[0][b] = w;
t_set(i,m)[1][b] = upr(w,1);
t_set(i,m)[2][b] = upr(w,2);
t_set(i,m)[3][b] = upr(w,3);
#endif
#if defined( ISB_SET )
t_set(i,box)[i] = b;
#endif
#if defined( IT1_SET ) /* tables for a normal decryption round */
t_set(i,n)[i] = w;
#endif
#if defined( IT4_SET )
t_set(i,n)[0][i] = w;
t_set(i,n)[1][i] = upr(w,1);
t_set(i,n)[2][i] = upr(w,2);
t_set(i,n)[3][i] = upr(w,3);
#endif
w = bytes2word(b, 0, 0, 0);
#if defined( IL1_SET ) /* tables for last decryption round */
t_set(i,l)[i] = w;
#endif
#if defined( IL4_SET )
t_set(i,l)[0][i] = w;
t_set(i,l)[1][i] = upr(w,1);
t_set(i,l)[2][i] = upr(w,2);
t_set(i,l)[3][i] = upr(w,3);
#endif
}
init = 1;
return EXIT_SUCCESS;
}
#endif
#if defined(__cplusplus)
}
#endif

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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
This file contains the code for declaring the tables needed to implement
AES. The file aesopt.h is assumed to be included before this header file.
If there are no global variables, the definitions here can be used to put
the AES tables in a structure so that a pointer can then be added to the
AES context to pass them to the AES routines that need them. If this
facility is used, the calling program has to ensure that this pointer is
managed appropriately. In particular, the value of the t_dec(in,it) item
in the table structure must be set to zero in order to ensure that the
tables are initialised. In practice the three code sequences in aeskey.c
that control the calls to aes_init() and the aes_init() routine itself will
have to be changed for a specific implementation. If global variables are
available it will generally be preferable to use them with the precomputed
FIXED_TABLES option that uses static global tables.
The following defines can be used to control the way the tables
are defined, initialised and used in embedded environments that
require special features for these purposes
the 't_dec' construction is used to declare fixed table arrays
the 't_set' construction is used to set fixed table values
the 't_use' construction is used to access fixed table values
256 byte tables:
t_xxx(s,box) => forward S box
t_xxx(i,box) => inverse S box
256 32-bit word OR 4 x 256 32-bit word tables:
t_xxx(f,n) => forward normal round
t_xxx(f,l) => forward last round
t_xxx(i,n) => inverse normal round
t_xxx(i,l) => inverse last round
t_xxx(l,s) => key schedule table
t_xxx(i,m) => key schedule table
Other variables and tables:
t_xxx(r,c) => the rcon table
*/
#if !defined( _AESTAB_H )
#define _AESTAB_H
#if defined(__cplusplus)
extern "C" {
#endif
#define t_dec(m,n) t_##m##n
#define t_set(m,n) t_##m##n
#define t_use(m,n) t_##m##n
#if defined(FIXED_TABLES)
# if !defined( __GNUC__ ) && (defined( __MSDOS__ ) || defined( __WIN16__ ))
/* make tables far data to avoid using too much DGROUP space (PG) */
# define CONST const far
# else
# define CONST const
# endif
#else
# define CONST
#endif
#if defined(DO_TABLES)
# define EXTERN
#else
# define EXTERN extern
#endif
#if defined(_MSC_VER) && defined(TABLE_ALIGN)
#define ALIGN __declspec(align(TABLE_ALIGN))
#else
#define ALIGN
#endif
#if defined( __WATCOMC__ ) && ( __WATCOMC__ >= 1100 )
# define XP_DIR __cdecl
#else
# define XP_DIR
#endif
#if defined(DO_TABLES) && defined(FIXED_TABLES)
#define d_1(t,n,b,e) EXTERN ALIGN CONST XP_DIR t n[256] = b(e)
#define d_4(t,n,b,e,f,g,h) EXTERN ALIGN CONST XP_DIR t n[4][256] = { b(e), b(f), b(g), b(h) }
EXTERN ALIGN CONST uint_32t t_dec(r,c)[RC_LENGTH] = rc_data(w0);
#else
#define d_1(t,n,b,e) EXTERN ALIGN CONST XP_DIR t n[256]
#define d_4(t,n,b,e,f,g,h) EXTERN ALIGN CONST XP_DIR t n[4][256]
EXTERN ALIGN CONST uint_32t t_dec(r,c)[RC_LENGTH];
#endif
#if defined( SBX_SET )
d_1(uint_8t, t_dec(s,box), sb_data, h0);
#endif
#if defined( ISB_SET )
d_1(uint_8t, t_dec(i,box), isb_data, h0);
#endif
#if defined( FT1_SET )
d_1(uint_32t, t_dec(f,n), sb_data, u0);
#endif
#if defined( FT4_SET )
d_4(uint_32t, t_dec(f,n), sb_data, u0, u1, u2, u3);
#endif
#if defined( FL1_SET )
d_1(uint_32t, t_dec(f,l), sb_data, w0);
#endif
#if defined( FL4_SET )
d_4(uint_32t, t_dec(f,l), sb_data, w0, w1, w2, w3);
#endif
#if defined( IT1_SET )
d_1(uint_32t, t_dec(i,n), isb_data, v0);
#endif
#if defined( IT4_SET )
d_4(uint_32t, t_dec(i,n), isb_data, v0, v1, v2, v3);
#endif
#if defined( IL1_SET )
d_1(uint_32t, t_dec(i,l), isb_data, w0);
#endif
#if defined( IL4_SET )
d_4(uint_32t, t_dec(i,l), isb_data, w0, w1, w2, w3);
#endif
#if defined( LS1_SET )
#if defined( FL1_SET )
#undef LS1_SET
#else
d_1(uint_32t, t_dec(l,s), sb_data, w0);
#endif
#endif
#if defined( LS4_SET )
#if defined( FL4_SET )
#undef LS4_SET
#else
d_4(uint_32t, t_dec(l,s), sb_data, w0, w1, w2, w3);
#endif
#endif
#if defined( IM1_SET )
d_1(uint_32t, t_dec(i,m), mm_data, v0);
#endif
#if defined( IM4_SET )
d_4(uint_32t, t_dec(i,m), mm_data, v0, v1, v2, v3);
#endif
#if defined(__cplusplus)
}
#endif
#endif

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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
*/
// An example of the use of AES (Rijndael) for file encryption. This code
// implements AES in CBC mode with ciphertext stealing when the file length
// is greater than one block (16 bytes). This code is an example of how to
// use AES and is not intended for real use since it does not provide any
// file integrity checking.
//
// The Command line is:
//
// aesxam input_file_name output_file_name [D|E] hexadecimalkey
//
// where E gives encryption and D decryption of the input file into the
// output file using the given hexadecimal key string. The later is a
// hexadecimal sequence of 32, 48 or 64 digits. Examples to encrypt or
// decrypt aes.c into aes.enc are:
//
// aesxam file.c file.enc E 0123456789abcdeffedcba9876543210
//
// aesxam file.enc file2.c D 0123456789abcdeffedcba9876543210
//
// which should return a file 'file2.c' identical to 'file.c'
//
// CIPHERTEXT STEALING
//
// Ciphertext stealing modifies the encryption of the last two CBC
// blocks. It can be applied invariably to the last two plaintext
// blocks or only applied when the last block is a partial one. In
// this code it is only applied if there is a partial block. For
// a plaintext consisting of N blocks, with the last block possibly
// a partial one, ciphertext stealing works as shown below (note the
// reversal of the last two ciphertext blocks). During decryption
// the part of the C:N-1 block that is not transmitted (X) can be
// obtained from the decryption of the penultimate ciphertext block
// since the bytes in X are xored with the zero padding appended to
// the last plaintext block.
//
// This is a picture of the processing of the last
// plaintext blocks during encryption:
//
// +---------+ +---------+ +---------+ +-------+-+
// | P:N-4 | | P:N-3 | | P:N-2 | | P:N-1 |0|
// +---------+ +---------+ +---------+ +-------+-+
// | | | |
// v v v v
// +----->x +----->x +----->x +----->x x = xor
// | | | | | | | |
// | v | v | v | v
// | +---+ | +---+ | +---+ | +---+
// | | E | | | E | | | E | | | E |
// | +---+ | +---+ | +---+ | +---+
// | | | | | | | |
// | | | | | v | +---+
// | | | | | +-------+-+ | |
// | | | | | | C:N-1 |X| | |
// | | | | | +-------+-+ ^ |
// | | | | | || | |
// | | | | | |+------+ |
// | | | | | +----------|--+
// | | | | | | |
// | | | | | +---------+ |
// | | | | | | |
// | v | v | v v
// | +---------+ | +---------+ | +---------+ +-------+
// -+ | C:N-4 |-+ | C:N-3 |-+ | C:N-2 | | C:N-1 |
// +---------+ +---------+ +---------+ +-------+
//
// And this is a picture of the processing of the last
// ciphertext blocks during decryption:
//
// +---------+ +---------+ +---------+ +-------+
// -+ | C:N-4 |-+ | C:N-3 |-+ | C:N-2 | | C:N-1 |
// | +---------+ | +---------+ | +---------+ +-------+
// | | | | | | |
// | v | v | v +--------|----+
// | +---+ | +---+ | +---+ | +--<--+ |
// | | D | | | D | | | D | | | | |
// | +---+ | +---+ | +---+ | | v v
// | | | | | | ^ | +-------+-+
// | v | v | v | | | C:N-1 |X|
// +----->x +----->x | +-------+-+ | +-------+-+
// | | | | |X| | |
// | | | +-------+-+ | v
// | | | | | +---+
// | | | | v | D |
// | | | +------>x +---+
// | | | | |
// | | +----->x<-----|------+ x = xor
// | | | +-----+
// | | | |
// v v v v
// +---------+ +---------+ +---------+ +-------+
// | P:N-4 | | P:N-3 | | P:N-2 | | P:N-1 |
// +---------+ +---------+ +---------+ +-------+
#include <stdio.h>
#include <ctype.h>
#include "aes.h"
#include "rdtsc.h"
#define BLOCK_LEN 16
#define OK 0
#define READ_ERROR -7
#define WRITE_ERROR -8
// A Pseudo Random Number Generator (PRNG) used for the
// Initialisation Vector. The PRNG is George Marsaglia's
// Multiply-With-Carry (MWC) PRNG that concatenates two
// 16-bit MWC generators:
// x(n)=36969 * x(n-1) + carry mod 2^16
// y(n)=18000 * y(n-1) + carry mod 2^16
// to produce a combined PRNG with a period of about 2^60.
// The Pentium cycle counter is used to initialise it. This
// is crude but the IV does not really need to be secret.
#define RAND(a,b) (((a = 36969 * (a & 65535) + (a >> 16)) << 16) + \
(b = 18000 * (b & 65535) + (b >> 16)) )
void fillrand(unsigned char *buf, const int len)
{ static unsigned long a[2], mt = 1, count = 4;
static unsigned char r[4];
int i;
if(mt) { mt = 0; *(unsigned long long*)a = read_tsc(); }
for(i = 0; i < len; ++i)
{
if(count == 4)
{
*(unsigned long*)r = RAND(a[0], a[1]);
count = 0;
}
buf[i] = r[count++];
}
}
int encfile(FILE *fin, FILE *fout, aes_encrypt_ctx ctx[1])
{ unsigned char dbuf[3 * BLOCK_LEN];
unsigned long i, len, wlen = BLOCK_LEN;
// When ciphertext stealing is used, we three ciphertext blocks so
// we use a buffer that is three times the block length. The buffer
// pointers b1, b2 and b3 point to the buffer positions of three
// ciphertext blocks, b3 being the most recent and b1 being the
// oldest. We start with the IV in b1 and the block to be decrypted
// in b2.
// set a random IV
fillrand(dbuf, BLOCK_LEN);
// read the first file block
len = (unsigned long) fread((char*)dbuf + BLOCK_LEN, 1, BLOCK_LEN, fin);
if(len < BLOCK_LEN)
{ // if the file length is less than one block
// xor the file bytes with the IV bytes
for(i = 0; i < len; ++i)
dbuf[i + BLOCK_LEN] ^= dbuf[i];
// encrypt the top 16 bytes of the buffer
aes_encrypt(dbuf + len, dbuf + len, ctx);
len += BLOCK_LEN;
// write the IV and the encrypted file bytes
if(fwrite((char*)dbuf, 1, len, fout) != len)
return WRITE_ERROR;
return OK;
}
else // if the file length is more 16 bytes
{ unsigned char *b1 = dbuf, *b2 = b1 + BLOCK_LEN, *b3 = b2 + BLOCK_LEN, *bt;
// write the IV
if(fwrite((char*)dbuf, 1, BLOCK_LEN, fout) != BLOCK_LEN)
return WRITE_ERROR;
for( ; ; )
{
// read the next block to see if ciphertext stealing is needed
len = (unsigned long)fread((char*)b3, 1, BLOCK_LEN, fin);
// do CBC chaining prior to encryption for current block (in b2)
for(i = 0; i < BLOCK_LEN; ++i)
b1[i] ^= b2[i];
// encrypt the block (now in b1)
aes_encrypt(b1, b1, ctx);
if(len != 0 && len != BLOCK_LEN) // use ciphertext stealing
{
// set the length of the last block
wlen = len;
// xor ciphertext into last block
for(i = 0; i < len; ++i)
b3[i] ^= b1[i];
// move 'stolen' ciphertext into last block
for(i = len; i < BLOCK_LEN; ++i)
b3[i] = b1[i];
// encrypt this block
aes_encrypt(b3, b3, ctx);
// and write it as the second to last encrypted block
if(fwrite((char*)b3, 1, BLOCK_LEN, fout) != BLOCK_LEN)
return WRITE_ERROR;
}
// write the encrypted block
if(fwrite((char*)b1, 1, wlen, fout) != wlen)
return WRITE_ERROR;
if(len != BLOCK_LEN)
return OK;
// advance the buffer pointers
bt = b3, b3 = b2, b2 = b1, b1 = bt;
}
}
}
int decfile(FILE *fin, FILE *fout, aes_decrypt_ctx ctx[1])
{ unsigned char dbuf[3 * BLOCK_LEN], buf[BLOCK_LEN];
unsigned long i, len, wlen = BLOCK_LEN;
// When ciphertext stealing is used, we three ciphertext blocks so
// we use a buffer that is three times the block length. The buffer
// pointers b1, b2 and b3 point to the buffer positions of three
// ciphertext blocks, b3 being the most recent and b1 being the
// oldest. We start with the IV in b1 and the block to be decrypted
// in b2.
len = (unsigned long)fread((char*)dbuf, 1, 2 * BLOCK_LEN, fin);
if(len < 2 * BLOCK_LEN) // the original file is less than one block in length
{
len -= BLOCK_LEN;
// decrypt from position len to position len + BLOCK_LEN
aes_decrypt(dbuf + len, dbuf + len, ctx);
// undo the CBC chaining
for(i = 0; i < len; ++i)
dbuf[i] ^= dbuf[i + BLOCK_LEN];
// output the decrypted bytes
if(fwrite((char*)dbuf, 1, len, fout) != len)
return WRITE_ERROR;
return OK;
}
else
{ unsigned char *b1 = dbuf, *b2 = b1 + BLOCK_LEN, *b3 = b2 + BLOCK_LEN, *bt;
for( ; ; ) // while some ciphertext remains, prepare to decrypt block b2
{
// read in the next block to see if ciphertext stealing is needed
len = fread((char*)b3, 1, BLOCK_LEN, fin);
// decrypt the b2 block
aes_decrypt(b2, buf, ctx);
if(len == 0 || len == BLOCK_LEN) // no ciphertext stealing
{
// unchain CBC using the previous ciphertext block in b1
for(i = 0; i < BLOCK_LEN; ++i)
buf[i] ^= b1[i];
}
else // partial last block - use ciphertext stealing
{
wlen = len;
// produce last 'len' bytes of plaintext by xoring with
// the lowest 'len' bytes of next block b3 - C[N-1]
for(i = 0; i < len; ++i)
buf[i] ^= b3[i];
// reconstruct the C[N-1] block in b3 by adding in the
// last (BLOCK_LEN - len) bytes of C[N-2] in b2
for(i = len; i < BLOCK_LEN; ++i)
b3[i] = buf[i];
// decrypt the C[N-1] block in b3
aes_decrypt(b3, b3, ctx);
// produce the last but one plaintext block by xoring with
// the last but two ciphertext block
for(i = 0; i < BLOCK_LEN; ++i)
b3[i] ^= b1[i];
// write decrypted plaintext blocks
if(fwrite((char*)b3, 1, BLOCK_LEN, fout) != BLOCK_LEN)
return WRITE_ERROR;
}
// write the decrypted plaintext block
if(fwrite((char*)buf, 1, wlen, fout) != wlen)
return WRITE_ERROR;
if(len != BLOCK_LEN)
return OK;
// advance the buffer pointers
bt = b1, b1 = b2, b2 = b3, b3 = bt;
}
}
}
int main(int argc, char *argv[])
{ FILE *fin = 0, *fout = 0;
char *cp, ch, key[32];
int i, by = 0, key_len, err = 0;
if(argc != 5 || toupper(*argv[3]) != 'D' && toupper(*argv[3]) != 'E')
{
printf("usage: aesxam in_filename out_filename [d/e] key_in_hex\n");
err = -1; goto exit;
}
aes_init(); // in case dynamic AES tables are being used
cp = argv[4]; // this is a pointer to the hexadecimal key digits
i = 0; // this is a count for the input digits processed
while(i < 64 && *cp) // the maximum key length is 32 bytes and
{ // hence at most 64 hexadecimal digits
ch = toupper(*cp++); // process a hexadecimal digit
if(ch >= '0' && ch <= '9')
by = (by << 4) + ch - '0';
else if(ch >= 'A' && ch <= 'F')
by = (by << 4) + ch - 'A' + 10;
else // error if not hexadecimal
{
printf("key must be in hexadecimal notation\n");
err = -2; goto exit;
}
// store a key byte for each pair of hexadecimal digits
if(i++ & 1)
key[i / 2 - 1] = by & 0xff;
}
if(*cp)
{
printf("The key value is too long\n");
err = -3; goto exit;
}
else if(i < 32 || (i & 15))
{
printf("The key length must be 32, 48 or 64 hexadecimal digits\n");
err = -4; goto exit;
}
key_len = i / 2;
if(!(fin = fopen(argv[1], "rb"))) // try to open the input file
{
printf("The input file: %s could not be opened\n", argv[1]);
err = -5; goto exit;
}
if(!(fout = fopen(argv[2], "wb"))) // try to open the output file
{
printf("The output file: %s could not be opened\n", argv[2]);
err = -6; goto exit;
}
if(toupper(*argv[3]) == 'E') // encryption in Cipher Block Chaining mode
{ aes_encrypt_ctx ctx[1];
aes_encrypt_key((unsigned char*)key, key_len, ctx);
err = encfile(fin, fout, ctx);
}
else // decryption in Cipher Block Chaining mode
{ aes_decrypt_ctx ctx[1];
aes_decrypt_key((unsigned char*)key, key_len, ctx);
err = decfile(fin, fout, ctx);
}
exit:
if(err == READ_ERROR)
printf("Error reading from input file: %s\n", argv[1]);
if(err == WRITE_ERROR)
printf("Error writing to output file: %s\n", argv[2]);
if(fout)
fclose(fout);
if(fin)
fclose(fin);
return err;
}

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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
*/
#ifndef _BRG_ENDIAN_H
#define _BRG_ENDIAN_H
#define IS_BIG_ENDIAN 4321 /* byte 0 is most significant (mc68k) */
#define IS_LITTLE_ENDIAN 1234 /* byte 0 is least significant (i386) */
/* Include files where endian defines and byteswap functions may reside */
#if defined( __sun )
# include <sys/isa_defs.h>
#elif defined( __FreeBSD__ ) || defined( __OpenBSD__ ) || defined( __NetBSD__ )
# include <sys/endian.h>
#elif defined( BSD ) && ( BSD >= 199103 ) || defined( __APPLE__ ) || \
defined( __CYGWIN32__ ) || defined( __DJGPP__ ) || defined( __osf__ )
# include <machine/endian.h>
#elif defined( __linux__ ) || defined( __GNUC__ ) || defined( __GNU_LIBRARY__ )
# if !defined( __MINGW32__ ) && !defined( _AIX )
# include <endian.h>
# if !defined( __BEOS__ )
# include <byteswap.h>
# endif
# endif
#endif
/* Now attempt to set the define for platform byte order using any */
/* of the four forms SYMBOL, _SYMBOL, __SYMBOL & __SYMBOL__, which */
/* seem to encompass most endian symbol definitions */
#if defined( BIG_ENDIAN ) && defined( LITTLE_ENDIAN )
# if defined( BYTE_ORDER ) && BYTE_ORDER == BIG_ENDIAN
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
# elif defined( BYTE_ORDER ) && BYTE_ORDER == LITTLE_ENDIAN
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
# endif
#elif defined( BIG_ENDIAN )
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
#elif defined( LITTLE_ENDIAN )
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
#endif
#if defined( _BIG_ENDIAN ) && defined( _LITTLE_ENDIAN )
# if defined( _BYTE_ORDER ) && _BYTE_ORDER == _BIG_ENDIAN
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
# elif defined( _BYTE_ORDER ) && _BYTE_ORDER == _LITTLE_ENDIAN
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
# endif
#elif defined( _BIG_ENDIAN )
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
#elif defined( _LITTLE_ENDIAN )
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
#endif
#if defined( __BIG_ENDIAN ) && defined( __LITTLE_ENDIAN )
# if defined( __BYTE_ORDER ) && __BYTE_ORDER == __BIG_ENDIAN
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
# elif defined( __BYTE_ORDER ) && __BYTE_ORDER == __LITTLE_ENDIAN
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
# endif
#elif defined( __BIG_ENDIAN )
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
#elif defined( __LITTLE_ENDIAN )
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
#endif
#if defined( __BIG_ENDIAN__ ) && defined( __LITTLE_ENDIAN__ )
# if defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __BIG_ENDIAN__
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
# elif defined( __BYTE_ORDER__ ) && __BYTE_ORDER__ == __LITTLE_ENDIAN__
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
# endif
#elif defined( __BIG_ENDIAN__ )
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
#elif defined( __LITTLE_ENDIAN__ )
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
#endif
/* if the platform byte order could not be determined, then try to */
/* set this define using common machine defines */
#if !defined(PLATFORM_BYTE_ORDER)
#if defined( __alpha__ ) || defined( __alpha ) || defined( i386 ) || \
defined( __i386__ ) || defined( _M_I86 ) || defined( _M_IX86 ) || \
defined( __OS2__ ) || defined( sun386 ) || defined( __TURBOC__ ) || \
defined( vax ) || defined( vms ) || defined( VMS ) || \
defined( __VMS ) || defined( _M_X64 )
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
#elif defined( AMIGA ) || defined( applec ) || defined( __AS400__ ) || \
defined( _CRAY ) || defined( __hppa ) || defined( __hp9000 ) || \
defined( ibm370 ) || defined( mc68000 ) || defined( m68k ) || \
defined( __MRC__ ) || defined( __MVS__ ) || defined( __MWERKS__ ) || \
defined( sparc ) || defined( __sparc) || defined( SYMANTEC_C ) || \
defined( __VOS__ ) || defined( __TIGCC__ ) || defined( __TANDEM ) || \
defined( THINK_C ) || defined( __VMCMS__ ) || defined( _AIX )
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
#elif 0 /* **** EDIT HERE IF NECESSARY **** */
# define PLATFORM_BYTE_ORDER IS_LITTLE_ENDIAN
#elif 0 /* **** EDIT HERE IF NECESSARY **** */
# define PLATFORM_BYTE_ORDER IS_BIG_ENDIAN
#else
# error Please edit lines 126 or 128 in brg_endian.h to set the platform byte order
#endif
#endif
#endif

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/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
The unsigned integer types defined here are of the form uint_<nn>t where
<nn> is the length of the type; for example, the unsigned 32-bit type is
'uint_32t'. These are NOT the same as the 'C99 integer types' that are
defined in the inttypes.h and stdint.h headers since attempts to use these
types have shown that support for them is still highly variable. However,
since the latter are of the form uint<nn>_t, a regular expression search
and replace (in VC++ search on 'uint_{:z}t' and replace with 'uint\1_t')
can be used to convert the types used here to the C99 standard types.
*/
#ifndef _BRG_TYPES_H
#define _BRG_TYPES_H
#if defined(__cplusplus)
extern "C" {
#endif
#include <limits.h>
#if defined( _MSC_VER ) && ( _MSC_VER >= 1300 )
# include <stddef.h>
# define ptrint_t intptr_t
#elif defined( __ECOS__ )
# define intptr_t unsigned int
# define ptrint_t intptr_t
#elif defined( __GNUC__ ) && ( __GNUC__ >= 3 )
# include <stdint.h>
# define ptrint_t intptr_t
#else
# define ptrint_t int
#endif
#ifndef BRG_UI8
# define BRG_UI8
# if UCHAR_MAX == 255u
typedef unsigned char uint_8t;
# else
# error Please define uint_8t as an 8-bit unsigned integer type in brg_types.h
# endif
#endif
#ifndef BRG_UI16
# define BRG_UI16
# if USHRT_MAX == 65535u
typedef unsigned short uint_16t;
# else
# error Please define uint_16t as a 16-bit unsigned short type in brg_types.h
# endif
#endif
#ifndef BRG_UI32
# define BRG_UI32
# if UINT_MAX == 4294967295u
# define li_32(h) 0x##h##u
typedef unsigned int uint_32t;
# elif ULONG_MAX == 4294967295u
# define li_32(h) 0x##h##ul
typedef unsigned long uint_32t;
# elif defined( _CRAY )
# error This code needs 32-bit data types, which Cray machines do not provide
# else
# error Please define uint_32t as a 32-bit unsigned integer type in brg_types.h
# endif
#endif
#ifndef BRG_UI64
# if defined( __BORLANDC__ ) && !defined( __MSDOS__ )
# define BRG_UI64
# define li_64(h) 0x##h##ui64
typedef unsigned __int64 uint_64t;
# elif defined( _MSC_VER ) && ( _MSC_VER < 1300 ) /* 1300 == VC++ 7.0 */
# define BRG_UI64
# define li_64(h) 0x##h##ui64
typedef unsigned __int64 uint_64t;
# elif defined( __sun ) && defined( ULONG_MAX ) && ULONG_MAX == 0xfffffffful
# define BRG_UI64
# define li_64(h) 0x##h##ull
typedef unsigned long long uint_64t;
# elif defined( __MVS__ )
# define BRG_UI64
# define li_64(h) 0x##h##ull
typedef unsigned int long long uint_64t;
# elif defined( UINT_MAX ) && UINT_MAX > 4294967295u
# if UINT_MAX == 18446744073709551615u
# define BRG_UI64
# define li_64(h) 0x##h##u
typedef unsigned int uint_64t;
# endif
# elif defined( ULONG_MAX ) && ULONG_MAX > 4294967295u
# if ULONG_MAX == 18446744073709551615ul
# define BRG_UI64
# define li_64(h) 0x##h##ul
typedef unsigned long uint_64t;
# endif
# elif defined( ULLONG_MAX ) && ULLONG_MAX > 4294967295u
# if ULLONG_MAX == 18446744073709551615ull
# define BRG_UI64
# define li_64(h) 0x##h##ull
typedef unsigned long long uint_64t;
# endif
# elif defined( ULONG_LONG_MAX ) && ULONG_LONG_MAX > 4294967295u
# if ULONG_LONG_MAX == 18446744073709551615ull
# define BRG_UI64
# define li_64(h) 0x##h##ull
typedef unsigned long long uint_64t;
# endif
# endif
#endif
#if !defined( BRG_UI64 )
# if defined( NEED_UINT_64T )
# error Please define uint_64t as an unsigned 64 bit type in brg_types.h
# endif
#endif
#ifndef RETURN_VALUES
# define RETURN_VALUES
# if defined( DLL_EXPORT )
# if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
# define VOID_RETURN __declspec( dllexport ) void __stdcall
# define INT_RETURN __declspec( dllexport ) int __stdcall
# elif defined( __GNUC__ )
# define VOID_RETURN __declspec( __dllexport__ ) void
# define INT_RETURN __declspec( __dllexport__ ) int
# else
# error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
# endif
# elif defined( DLL_IMPORT )
# if defined( _MSC_VER ) || defined ( __INTEL_COMPILER )
# define VOID_RETURN __declspec( dllimport ) void __stdcall
# define INT_RETURN __declspec( dllimport ) int __stdcall
# elif defined( __GNUC__ )
# define VOID_RETURN __declspec( __dllimport__ ) void
# define INT_RETURN __declspec( __dllimport__ ) int
# else
# error Use of the DLL is only available on the Microsoft, Intel and GCC compilers
# endif
# elif defined( __WATCOMC__ )
# define VOID_RETURN void __cdecl
# define INT_RETURN int __cdecl
# else
# define VOID_RETURN void
# define INT_RETURN int
# endif
#endif
/* These defines are used to detect and set the memory alignment of pointers.
Note that offsets are in bytes.
ALIGN_OFFSET(x,n) return the positive or zero offset of
the memory addressed by the pointer 'x'
from an address that is aligned on an
'n' byte boundary ('n' is a power of 2)
ALIGN_FLOOR(x,n) return a pointer that points to memory
that is aligned on an 'n' byte boundary
and is not higher than the memory address
pointed to by 'x' ('n' is a power of 2)
ALIGN_CEIL(x,n) return a pointer that points to memory
that is aligned on an 'n' byte boundary
and is not lower than the memory address
pointed to by 'x' ('n' is a power of 2)
*/
#define ALIGN_OFFSET(x,n) (((ptrint_t)(x)) & ((n) - 1))
#define ALIGN_FLOOR(x,n) ((uint_8t*)(x) - ( ((ptrint_t)(x)) & ((n) - 1)))
#define ALIGN_CEIL(x,n) ((uint_8t*)(x) + (-((ptrint_t)(x)) & ((n) - 1)))
/* These defines are used to declare buffers in a way that allows
faster operations on longer variables to be used. In all these
defines 'size' must be a power of 2 and >= 8. NOTE that the
buffer size is in bytes but the type length is in bits
UNIT_TYPEDEF(x,size) declares a variable 'x' of length
'size' bits
BUFR_TYPEDEF(x,size,bsize) declares a buffer 'x' of length 'bsize'
bytes defined as an array of variables
each of 'size' bits (bsize must be a
multiple of size / 8)
UNIT_CAST(x,size) casts a variable to a type of
length 'size' bits
UPTR_CAST(x,size) casts a pointer to a pointer to a
varaiable of length 'size' bits
*/
#define UI_TYPE(size) uint_##size##t
#define UNIT_TYPEDEF(x,size) typedef UI_TYPE(size) x
#define BUFR_TYPEDEF(x,size,bsize) typedef UI_TYPE(size) x[bsize / (size >> 3)]
#define UNIT_CAST(x,size) ((UI_TYPE(size) )(x))
#define UPTR_CAST(x,size) ((UI_TYPE(size)*)(x))
#if defined(__cplusplus)
}
#endif
#endif

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#include <stdio.h>
#include <string.h>
#include "aes.h"
typedef struct
{ unsigned int k_len;
unsigned int m_len;
unsigned char key[32];
unsigned char iv[8];
unsigned char nonce[8];
unsigned char p_txt[36];
unsigned char c_str[48];
unsigned char k_str[48];
unsigned char c_txt[36];
} test_str;
test_str tests[] =
{
{ 16, 16, /* Vector 1 */
{ 0xae, 0x68, 0x52, 0xf8, 0x12, 0x10, 0x67, 0xcc,
0x4b, 0xf7, 0xa5, 0x76, 0x55, 0x77, 0xf3, 0x9e
},
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
},
{ 0x00, 0x00, 0x00, 0x30
},
/* "Single block msg" */
{ 0x53, 0x69, 0x6e, 0x67, 0x6c, 0x65, 0x20, 0x62,
0x6c, 0x6f, 0x63, 0x6b, 0x20, 0x6d, 0x73, 0x67
},
{ 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01
},
{ 0xb7, 0x60, 0x33, 0x28, 0xdb, 0xc2, 0x93, 0x1b,
0x41, 0x0e, 0x16, 0xc8, 0x06, 0x7e, 0x62, 0xdf
},
{ 0xe4, 0x09, 0x5d, 0x4f, 0xb7, 0xa7, 0xb3, 0x79,
0x2d, 0x61, 0x75, 0xa3, 0x26, 0x13, 0x11, 0xb8
}
},
{ 16, 32, /* Vector 2 */
{ 0x7e, 0x24, 0x06, 0x78, 0x17, 0xfa, 0xe0, 0xd7,
0x43, 0xd6, 0xce, 0x1f, 0x32, 0x53, 0x91, 0x63
},
{ 0xc0, 0x54, 0x3b, 0x59, 0xda, 0x48, 0xd9, 0x0b
},
{ 0x00, 0x6c, 0xb6, 0xdb
},
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
},
{ 0x00, 0x6c, 0xb6, 0xdb, 0xc0, 0x54, 0x3b, 0x59,
0xda, 0x48, 0xd9, 0x0b, 0x00, 0x00, 0x00, 0x01,
0x00, 0x6c, 0xb6, 0xdb, 0xc0, 0x54, 0x3b, 0x59,
0xda, 0x48, 0xd9, 0x0b, 0x00, 0x00, 0x00, 0x02
},
{ 0x51, 0x05, 0xa3, 0x05, 0x12, 0x8f, 0x74, 0xde,
0x71, 0x04, 0x4b, 0xe5, 0x82, 0xd7, 0xdd, 0x87,
0xfb, 0x3f, 0x0c, 0xef, 0x52, 0xcf, 0x41, 0xdf,
0xe4, 0xff, 0x2a, 0xc4, 0x8d, 0x5c, 0xa0, 0x37
},
{ 0x51, 0x04, 0xa1, 0x06, 0x16, 0x8a, 0x72, 0xd9,
0x79, 0x0d, 0x41, 0xee, 0x8e, 0xda, 0xd3, 0x88,
0xeb, 0x2e, 0x1e, 0xfc, 0x46, 0xda, 0x57, 0xc8,
0xfc, 0xe6, 0x30, 0xdf, 0x91, 0x41, 0xbe, 0x28
}
},
{ 16, 36, /* Vector 3 */
{ 0x76, 0x91, 0xbe, 0x03, 0x5e, 0x50, 0x20, 0xa8,
0xac, 0x6e, 0x61, 0x85, 0x29, 0xf9, 0xa0, 0xdc
},
{ 0x27, 0x77, 0x7f, 0x3f, 0x4a, 0x17, 0x86, 0xf0
},
{ 0x00, 0xe0, 0x01, 0x7b
},
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23
},
{ 0x00, 0xe0, 0x01, 0x7b, 0x27, 0x77, 0x7f, 0x3f,
0x4a, 0x17, 0x86, 0xf0, 0x00, 0x00, 0x00, 0x01,
0x00, 0xe0, 0x01, 0x7b, 0x27, 0x77, 0x7f, 0x3f,
0x4a, 0x17, 0x86, 0xf0, 0x00, 0x00, 0x00, 0x02,
0x00, 0xe0, 0x01, 0x7b, 0x27, 0x77, 0x7f, 0x3f,
0x4a, 0x17, 0x86, 0xf0, 0x00, 0x00, 0x00, 0x03
},
{ 0xc1, 0xce, 0x4a, 0xab, 0x9b, 0x2a, 0xfb, 0xde,
0xc7, 0x4f, 0x58, 0xe2, 0xe3, 0xd6, 0x7c, 0xd8,
0x55, 0x51, 0xb6, 0x38, 0xca, 0x78, 0x6e, 0x21,
0xcd, 0x83, 0x46, 0xf1, 0xb2, 0xee, 0x0e, 0x4c,
0x05, 0x93, 0x25, 0x0c, 0x17, 0x55, 0x36, 0x00,
0xa6, 0x3d, 0xfe, 0xcf, 0x56, 0x23, 0x87, 0xe9
},
{ 0xc1, 0xcf, 0x48, 0xa8, 0x9f, 0x2f, 0xfd, 0xd9,
0xcf, 0x46, 0x52, 0xe9, 0xef, 0xdb, 0x72, 0xd7,
0x45, 0x40, 0xa4, 0x2b, 0xde, 0x6d, 0x78, 0x36,
0xd5, 0x9a, 0x5c, 0xea, 0xae, 0xf3, 0x10, 0x53,
0x25, 0xb2, 0x07, 0x2f
}
},
{ 24, 16, /* Vector 4 */
{ 0x16, 0xaf, 0x5b, 0x14, 0x5f, 0xc9, 0xf5, 0x79,
0xc1, 0x75, 0xf9, 0x3e, 0x3b, 0xfb, 0x0e, 0xed,
0x86, 0x3d, 0x06, 0xcc, 0xfd, 0xb7, 0x85, 0x15
},
{ 0x36, 0x73, 0x3c, 0x14, 0x7d, 0x6d, 0x93, 0xcb
},
{ 0x00, 0x00, 0x00, 0x48
},
/* "Single block msg" */
{ 0x53, 0x69, 0x6e, 0x67, 0x6c, 0x65, 0x20, 0x62,
0x6c, 0x6f, 0x63, 0x6b, 0x20, 0x6d, 0x73, 0x67
},
{ 0x00, 0x00, 0x00, 0x48, 0x36, 0x73, 0x3c, 0x14,
0x7d, 0x6d, 0x93, 0xcb, 0x00, 0x00, 0x00, 0x01
},
{ 0x18, 0x3c, 0x56, 0x28, 0x8e, 0x3c, 0xe9, 0xaa,
0x22, 0x16, 0x56, 0xcb, 0x23, 0xa6, 0x9a, 0x4f
},
{ 0x4b, 0x55, 0x38, 0x4f, 0xe2, 0x59, 0xc9, 0xc8,
0x4e, 0x79, 0x35, 0xa0, 0x03, 0xcb, 0xe9, 0x28
}
},
{ 24, 32, /* Vector 5 */
{ 0x7c, 0x5c, 0xb2, 0x40, 0x1b, 0x3d, 0xc3, 0x3c,
0x19, 0xe7, 0x34, 0x08, 0x19, 0xe0, 0xf6, 0x9c,
0x67, 0x8c, 0x3d, 0xb8, 0xe6, 0xf6, 0xa9, 0x1a
},
{ 0x02, 0x0c, 0x6e, 0xad, 0xc2, 0xcb, 0x50, 0x0d
},
{ 0x00, 0x96, 0xb0, 0x3b
},
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
},
{ 0x00, 0x96, 0xb0, 0x3b, 0x02, 0x0c, 0x6e, 0xad,
0xc2, 0xcb, 0x50, 0x0d, 0x00, 0x00, 0x00, 0x01,
0x00, 0x96, 0xb0, 0x3b, 0x02, 0x0c, 0x6e, 0xad,
0xc2, 0xcb, 0x50, 0x0d, 0x00, 0x00, 0x00, 0x02
},
{ 0x45, 0x33, 0x41, 0xff, 0x64, 0x9e, 0x25, 0x35,
0x76, 0xd6, 0xa0, 0xf1, 0x7d, 0x3c, 0xc3, 0x90,
0x94, 0x81, 0x62, 0x0f, 0x4e, 0xc1, 0xb1, 0x8b,
0xe4, 0x06, 0xfa, 0xe4, 0x5e, 0xe9, 0xe5, 0x1f
},
{ 0x45, 0x32, 0x43, 0xfc, 0x60, 0x9b, 0x23, 0x32,
0x7e, 0xdf, 0xaa, 0xfa, 0x71, 0x31, 0xcd, 0x9f,
0x84, 0x90, 0x70, 0x1c, 0x5a, 0xd4, 0xa7, 0x9c,
0xfc, 0x1f, 0xe0, 0xff, 0x42, 0xf4, 0xfb, 0x00
}
},
{ 24, 36, /* Vector 6 */
{ 0x02, 0xbf, 0x39, 0x1e, 0xe8, 0xec, 0xb1, 0x59,
0xb9, 0x59, 0x61, 0x7b, 0x09, 0x65, 0x27, 0x9b,
0xf5, 0x9b, 0x60, 0xa7, 0x86, 0xd3, 0xe0, 0xfe
},
{ 0x5c, 0xbd, 0x60, 0x27, 0x8d, 0xcc, 0x09, 0x12
},
{ 0x00, 0x07, 0xbd, 0xfd
},
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23
},
{ 0x00, 0x07, 0xbd, 0xfd, 0x5c, 0xbd, 0x60, 0x27,
0x8d, 0xcc, 0x09, 0x12, 0x00, 0x00, 0x00, 0x01,
0x00, 0x07, 0xbd, 0xfd, 0x5c, 0xbd, 0x60, 0x27,
0x8d, 0xcc, 0x09, 0x12, 0x00, 0x00, 0x00, 0x03,
0x00, 0x07, 0xbd, 0xfd, 0x5c, 0xbd, 0x60, 0x27,
0x8d, 0xcc, 0x09, 0x12, 0x00, 0x00, 0x00, 0x02
},
{ 0x96, 0x88, 0x3d, 0xc6, 0x5a, 0x59, 0x74, 0x28,
0x5c, 0x02, 0x77, 0xda, 0xd1, 0xfa, 0xe9, 0x57,
0xc2, 0x99, 0xae, 0x86, 0xd2, 0x84, 0x73, 0x9f,
0x5d, 0x2f, 0xd2, 0x0a, 0x7a, 0x32, 0x3f, 0x97,
0x8b, 0xcf, 0x2b, 0x16, 0x39, 0x99, 0xb2, 0x26,
0x15, 0xb4, 0x9c, 0xd4, 0xfe, 0x57, 0x39, 0x98
},
{ 0x96, 0x89, 0x3f, 0xc5, 0x5e, 0x5c, 0x72, 0x2f,
0x54, 0x0b, 0x7d, 0xd1, 0xdd, 0xf7, 0xe7, 0x58,
0xd2, 0x88, 0xbc, 0x95, 0xc6, 0x91, 0x65, 0x88,
0x45, 0x36, 0xc8, 0x11, 0x66, 0x2f, 0x21, 0x88,
0xab, 0xee, 0x09, 0x35
}
},
{ 32, 16, /* Vector 7 */
{ 0x77, 0x6b, 0xef, 0xf2, 0x85, 0x1d, 0xb0, 0x6f,
0x4c, 0x8a, 0x05, 0x42, 0xc8, 0x69, 0x6f, 0x6c,
0x6a, 0x81, 0xaf, 0x1e, 0xec, 0x96, 0xb4, 0xd3,
0x7f, 0xc1, 0xd6, 0x89, 0xe6, 0xc1, 0xc1, 0x04
},
{ 0xdb, 0x56, 0x72, 0xc9, 0x7a, 0xa8, 0xf0, 0xb2
},
{ 0x00, 0x00, 0x00, 0x60
},
/* "Single block msg" */
{ 0x53, 0x69, 0x6e, 0x67, 0x6c, 0x65, 0x20, 0x62,
0x6c, 0x6f, 0x63, 0x6b, 0x20, 0x6d, 0x73, 0x67
},
{ 0x00, 0x00, 0x00, 0x60, 0xdb, 0x56, 0x72, 0xc9,
0x7a, 0xa8, 0xf0, 0xb2, 0x00, 0x00, 0x00, 0x01
},
{ 0x47, 0x33, 0xbe, 0x7a, 0xd3, 0xe7, 0x6e, 0xa5,
0x3a, 0x67, 0x00, 0xb7, 0x51, 0x8e, 0x93, 0xa7
},
{ 0x14, 0x5a, 0xd0, 0x1d, 0xbf, 0x82, 0x4e, 0xc7,
0x56, 0x08, 0x63, 0xdc, 0x71, 0xe3, 0xe0, 0xc0
}
},
{ 32, 32, /* Vector 8 */
{ 0xf6, 0xd6, 0x6d, 0x6b, 0xd5, 0x2d, 0x59, 0xbb,
0x07, 0x96, 0x36, 0x58, 0x79, 0xef, 0xf8, 0x86,
0xc6, 0x6d, 0xd5, 0x1a, 0x5b, 0x6a, 0x99, 0x74,
0x4b, 0x50, 0x59, 0x0c, 0x87, 0xa2, 0x38, 0x84
},
{ 0xc1, 0x58, 0x5e, 0xf1, 0x5a, 0x43, 0xd8, 0x75
},
{ 0x00, 0xfa, 0xac, 0x24
},
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f
},
{ 0x00, 0xfa, 0xac, 0x24, 0xc1, 0x58, 0x5e, 0xf1,
0x5a, 0x43, 0xd8, 0x75, 0x00, 0x00, 0x00, 0x01,
0x00, 0xfa, 0xac, 0x24, 0xc1, 0x58, 0x5e, 0xf1,
0x5a, 0x43, 0xd8, 0x75, 0x00, 0x00, 0x00, 0x02
},
{ 0xf0, 0x5f, 0x21, 0x18, 0x3c, 0x91, 0x67, 0x2b,
0x41, 0xe7, 0x0a, 0x00, 0x8c, 0x43, 0xbc, 0xa6,
0xa8, 0x21, 0x79, 0x43, 0x9b, 0x96, 0x8b, 0x7d,
0x4d, 0x29, 0x99, 0x06, 0x8f, 0x59, 0xb1, 0x03
},
{ 0xf0, 0x5e, 0x23, 0x1b, 0x38, 0x94, 0x61, 0x2c,
0x49, 0xee, 0x00, 0x0b, 0x80, 0x4e, 0xb2, 0xa9,
0xb8, 0x30, 0x6b, 0x50, 0x8f, 0x83, 0x9d, 0x6a,
0x55, 0x30, 0x83, 0x1d, 0x93, 0x44, 0xaf, 0x1c
}
},
{ 32, 36, /* Vector 9 */
{ 0xff, 0x7a, 0x61, 0x7c, 0xe6, 0x91, 0x48, 0xe4,
0xf1, 0x72, 0x6e, 0x2f, 0x43, 0x58, 0x1d, 0xe2,
0xaa, 0x62, 0xd9, 0xf8, 0x05, 0x53, 0x2e, 0xdf,
0xf1, 0xee, 0xd6, 0x87, 0xfb, 0x54, 0x15, 0x3d
},
{ 0x51, 0xa5, 0x1d, 0x70, 0xa1, 0xc1, 0x11, 0x48
},
{ 0x00, 0x1c, 0xc5, 0xb7
},
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
0x20, 0x21, 0x22, 0x23
},
{ 0x00, 0x1c, 0xc5, 0xb7, 0x51, 0xa5, 0x1d, 0x70,
0xa1, 0xc1, 0x11, 0x48, 0x00, 0x00, 0x00, 0x01,
0x00, 0x1c, 0xc5, 0xb7, 0x51, 0xa5, 0x1d, 0x70,
0xa1, 0xc1, 0x11, 0x48, 0x00, 0x00, 0x00, 0x02,
0x00, 0x1c, 0xc5, 0xb7, 0x51, 0xa5, 0x1d, 0x70,
0xa1, 0xc1, 0x11, 0x48, 0x00, 0x00, 0x00, 0x03
},
{ 0xeb, 0x6d, 0x50, 0x81, 0x19, 0x0e, 0xbd, 0xf0,
0xc6, 0x7c, 0x9e, 0x4d, 0x26, 0xc7, 0x41, 0xa5,
0xa4, 0x16, 0xcd, 0x95, 0x71, 0x7c, 0xeb, 0x10,
0xec, 0x95, 0xda, 0xae, 0x9f, 0xcb, 0x19, 0x00,
0x3e, 0xe1, 0xc4, 0x9b, 0xc6, 0xb9, 0xca, 0x21,
0x3f, 0x6e, 0xe2, 0x71, 0xd0, 0xa9, 0x33, 0x39
},
{ 0xeb, 0x6c, 0x52, 0x82, 0x1d, 0x0b, 0xbb, 0xf7,
0xce, 0x75, 0x94, 0x46, 0x2a, 0xca, 0x4f, 0xaa,
0xb4, 0x07, 0xdf, 0x86, 0x65, 0x69, 0xfd, 0x07,
0xf4, 0x8c, 0xc0, 0xb5, 0x83, 0xd6, 0x07, 0x1f,
0x1e, 0xc0, 0xe6, 0xb8
}
}
};
void rfc3686_inc(unsigned char ctr_buf[AES_BLOCK_SIZE])
{
if(!(++(ctr_buf[15])))
if(!(++(ctr_buf[14])))
if(!(++(ctr_buf[13])))
++(ctr_buf[12]);
}
void rfc3686_init( unsigned char nonce[4], unsigned char iv[8], unsigned char ctr_buf[AES_BLOCK_SIZE])
{
memcpy(ctr_buf, nonce, 4);
memcpy(ctr_buf + 4, iv, 8);
memset(ctr_buf + 12, 0, 4);
rfc3686_inc(ctr_buf);
}
AES_RETURN rfc3686_crypt(const unsigned char *ibuf, unsigned char *obuf, int len,
unsigned char *cbuf, aes_encrypt_ctx cx[1])
{
return aes_ctr_crypt(ibuf, obuf, len, cbuf, rfc3686_inc, cx);
}
void rfc3686_test(void)
{ aes_encrypt_ctx aes_ctx[1];
unsigned char ctr_buf[AES_BLOCK_SIZE];
unsigned char obuf[36];
unsigned int i;
for( i = 0 ; i < sizeof(tests) / sizeof(test_str) ; ++i )
{
aes_encrypt_key(tests[i].key, tests[i].k_len, aes_ctx);
rfc3686_init(tests[i].nonce, tests[i].iv, ctr_buf);
rfc3686_crypt(tests[i].p_txt, obuf, tests[i].m_len, ctr_buf, aes_ctx);
if(memcmp(obuf, tests[i].c_txt, tests[i].m_len) != 0)
printf("\nerror");
}
}
int main(void)
{
rfc3686_test();
return 0;
}

319
src/java/KP2AKdbLibrary/jni/aes/tablegen.c Normal file
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@ -0,0 +1,319 @@
/*
---------------------------------------------------------------------------
Copyright (c) 1998-2008, Brian Gladman, Worcester, UK. All rights reserved.
LICENSE TERMS
The redistribution and use of this software (with or without changes)
is allowed without the payment of fees or royalties provided that:
1. source code distributions include the above copyright notice, this
list of conditions and the following disclaimer;
2. binary distributions include the above copyright notice, this list
of conditions and the following disclaimer in their documentation;
3. the name of the copyright holder is not used to endorse products
built using this software without specific written permission.
DISCLAIMER
This software is provided 'as is' with no explicit or implied warranties
in respect of its properties, including, but not limited to, correctness
and/or fitness for purpose.
---------------------------------------------------------------------------
Issue Date: 20/12/2007
*/
#define DO_TABLES
#include <stdio.h>
#include "aesopt.h"
#define sb_data(w) {\
w(0x63), w(0x7c), w(0x77), w(0x7b), w(0xf2), w(0x6b), w(0x6f), w(0xc5),\
w(0x30), w(0x01), w(0x67), w(0x2b), w(0xfe), w(0xd7), w(0xab), w(0x76),\
w(0xca), w(0x82), w(0xc9), w(0x7d), w(0xfa), w(0x59), w(0x47), w(0xf0),\
w(0xad), w(0xd4), w(0xa2), w(0xaf), w(0x9c), w(0xa4), w(0x72), w(0xc0),\
w(0xb7), w(0xfd), w(0x93), w(0x26), w(0x36), w(0x3f), w(0xf7), w(0xcc),\
w(0x34), w(0xa5), w(0xe5), w(0xf1), w(0x71), w(0xd8), w(0x31), w(0x15),\
w(0x04), w(0xc7), w(0x23), w(0xc3), w(0x18), w(0x96), w(0x05), w(0x9a),\
w(0x07), w(0x12), w(0x80), w(0xe2), w(0xeb), w(0x27), w(0xb2), w(0x75),\
w(0x09), w(0x83), w(0x2c), w(0x1a), w(0x1b), w(0x6e), w(0x5a), w(0xa0),\
w(0x52), w(0x3b), w(0xd6), w(0xb3), w(0x29), w(0xe3), w(0x2f), w(0x84),\
w(0x53), w(0xd1), w(0x00), w(0xed), w(0x20), w(0xfc), w(0xb1), w(0x5b),\
w(0x6a), w(0xcb), w(0xbe), w(0x39), w(0x4a), w(0x4c), w(0x58), w(0xcf),\
w(0xd0), w(0xef), w(0xaa), w(0xfb), w(0x43), w(0x4d), w(0x33), w(0x85),\
w(0x45), w(0xf9), w(0x02), w(0x7f), w(0x50), w(0x3c), w(0x9f), w(0xa8),\
w(0x51), w(0xa3), w(0x40), w(0x8f), w(0x92), w(0x9d), w(0x38), w(0xf5),\
w(0xbc), w(0xb6), w(0xda), w(0x21), w(0x10), w(0xff), w(0xf3), w(0xd2),\
w(0xcd), w(0x0c), w(0x13), w(0xec), w(0x5f), w(0x97), w(0x44), w(0x17),\
w(0xc4), w(0xa7), w(0x7e), w(0x3d), w(0x64), w(0x5d), w(0x19), w(0x73),\
w(0x60), w(0x81), w(0x4f), w(0xdc), w(0x22), w(0x2a), w(0x90), w(0x88),\
w(0x46), w(0xee), w(0xb8), w(0x14), w(0xde), w(0x5e), w(0x0b), w(0xdb),\
w(0xe0), w(0x32), w(0x3a), w(0x0a), w(0x49), w(0x06), w(0x24), w(0x5c),\
w(0xc2), w(0xd3), w(0xac), w(0x62), w(0x91), w(0x95), w(0xe4), w(0x79),\
w(0xe7), w(0xc8), w(0x37), w(0x6d), w(0x8d), w(0xd5), w(0x4e), w(0xa9),\
w(0x6c), w(0x56), w(0xf4), w(0xea), w(0x65), w(0x7a), w(0xae), w(0x08),\
w(0xba), w(0x78), w(0x25), w(0x2e), w(0x1c), w(0xa6), w(0xb4), w(0xc6),\
w(0xe8), w(0xdd), w(0x74), w(0x1f), w(0x4b), w(0xbd), w(0x8b), w(0x8a),\
w(0x70), w(0x3e), w(0xb5), w(0x66), w(0x48), w(0x03), w(0xf6), w(0x0e),\
w(0x61), w(0x35), w(0x57), w(0xb9), w(0x86), w(0xc1), w(0x1d), w(0x9e),\
w(0xe1), w(0xf8), w(0x98), w(0x11), w(0x69), w(0xd9), w(0x8e), w(0x94),\
w(0x9b), w(0x1e), w(0x87), w(0xe9), w(0xce), w(0x55), w(0x28), w(0xdf),\
w(0x8c), w(0xa1), w(0x89), w(0x0d), w(0xbf), w(0xe6), w(0x42), w(0x68),\
w(0x41), w(0x99), w(0x2d), w(0x0f), w(0xb0), w(0x54), w(0xbb), w(0x16) }
#define isb_data(w) {\
w(0x52), w(0x09), w(0x6a), w(0xd5), w(0x30), w(0x36), w(0xa5), w(0x38),\
w(0xbf), w(0x40), w(0xa3), w(0x9e), w(0x81), w(0xf3), w(0xd7), w(0xfb),\
w(0x7c), w(0xe3), w(0x39), w(0x82), w(0x9b), w(0x2f), w(0xff), w(0x87),\
w(0x34), w(0x8e), w(0x43), w(0x44), w(0xc4), w(0xde), w(0xe9), w(0xcb),\
w(0x54), w(0x7b), w(0x94), w(0x32), w(0xa6), w(0xc2), w(0x23), w(0x3d),\
w(0xee), w(0x4c), w(0x95), w(0x0b), w(0x42), w(0xfa), w(0xc3), w(0x4e),\
w(0x08), w(0x2e), w(0xa1), w(0x66), w(0x28), w(0xd9), w(0x24), w(0xb2),\
w(0x76), w(0x5b), w(0xa2), w(0x49), w(0x6d), w(0x8b), w(0xd1), w(0x25),\
w(0x72), w(0xf8), w(0xf6), w(0x64), w(0x86), w(0x68), w(0x98), w(0x16),\
w(0xd4), w(0xa4), w(0x5c), w(0xcc), w(0x5d), w(0x65), w(0xb6), w(0x92),\
w(0x6c), w(0x70), w(0x48), w(0x50), w(0xfd), w(0xed), w(0xb9), w(0xda),\
w(0x5e), w(0x15), w(0x46), w(0x57), w(0xa7), w(0x8d), w(0x9d), w(0x84),\
w(0x90), w(0xd8), w(0xab), w(0x00), w(0x8c), w(0xbc), w(0xd3), w(0x0a),\
w(0xf7), w(0xe4), w(0x58), w(0x05), w(0xb8), w(0xb3), w(0x45), w(0x06),\
w(0xd0), w(0x2c), w(0x1e), w(0x8f), w(0xca), w(0x3f), w(0x0f), w(0x02),\
w(0xc1), w(0xaf), w(0xbd), w(0x03), w(0x01), w(0x13), w(0x8a), w(0x6b),\
w(0x3a), w(0x91), w(0x11), w(0x41), w(0x4f), w(0x67), w(0xdc), w(0xea),\
w(0x97), w(0xf2), w(0xcf), w(0xce), w(0xf0), w(0xb4), w(0xe6), w(0x73),\
w(0x96), w(0xac), w(0x74), w(0x22), w(0xe7), w(0xad), w(0x35), w(0x85),\
w(0xe2), w(0xf9), w(0x37), w(0xe8), w(0x1c), w(0x75), w(0xdf), w(0x6e),\
w(0x47), w(0xf1), w(0x1a), w(0x71), w(0x1d), w(0x29), w(0xc5), w(0x89),\
w(0x6f), w(0xb7), w(0x62), w(0x0e), w(0xaa), w(0x18), w(0xbe), w(0x1b),\
w(0xfc), w(0x56), w(0x3e), w(0x4b), w(0xc6), w(0xd2), w(0x79), w(0x20),\
w(0x9a), w(0xdb), w(0xc0), w(0xfe), w(0x78), w(0xcd), w(0x5a), w(0xf4),\
w(0x1f), w(0xdd), w(0xa8), w(0x33), w(0x88), w(0x07), w(0xc7), w(0x31),\
w(0xb1), w(0x12), w(0x10), w(0x59), w(0x27), w(0x80), w(0xec), w(0x5f),\
w(0x60), w(0x51), w(0x7f), w(0xa9), w(0x19), w(0xb5), w(0x4a), w(0x0d),\
w(0x2d), w(0xe5), w(0x7a), w(0x9f), w(0x93), w(0xc9), w(0x9c), w(0xef),\
w(0xa0), w(0xe0), w(0x3b), w(0x4d), w(0xae), w(0x2a), w(0xf5), w(0xb0),\
w(0xc8), w(0xeb), w(0xbb), w(0x3c), w(0x83), w(0x53), w(0x99), w(0x61),\
w(0x17), w(0x2b), w(0x04), w(0x7e), w(0xba), w(0x77), w(0xd6), w(0x26),\
w(0xe1), w(0x69), w(0x14), w(0x63), w(0x55), w(0x21), w(0x0c), w(0x7d) }
#define mm_data(w) {\
w(0x00), w(0x01), w(0x02), w(0x03), w(0x04), w(0x05), w(0x06), w(0x07),\
w(0x08), w(0x09), w(0x0a), w(0x0b), w(0x0c), w(0x0d), w(0x0e), w(0x0f),\
w(0x10), w(0x11), w(0x12), w(0x13), w(0x14), w(0x15), w(0x16), w(0x17),\
w(0x18), w(0x19), w(0x1a), w(0x1b), w(0x1c), w(0x1d), w(0x1e), w(0x1f),\
w(0x20), w(0x21), w(0x22), w(0x23), w(0x24), w(0x25), w(0x26), w(0x27),\
w(0x28), w(0x29), w(0x2a), w(0x2b), w(0x2c), w(0x2d), w(0x2e), w(0x2f),\
w(0x30), w(0x31), w(0x32), w(0x33), w(0x34), w(0x35), w(0x36), w(0x37),\
w(0x38), w(0x39), w(0x3a), w(0x3b), w(0x3c), w(0x3d), w(0x3e), w(0x3f),\
w(0x40), w(0x41), w(0x42), w(0x43), w(0x44), w(0x45), w(0x46), w(0x47),\
w(0x48), w(0x49), w(0x4a), w(0x4b), w(0x4c), w(0x4d), w(0x4e), w(0x4f),\
w(0x50), w(0x51), w(0x52), w(0x53), w(0x54), w(0x55), w(0x56), w(0x57),\
w(0x58), w(0x59), w(0x5a), w(0x5b), w(0x5c), w(0x5d), w(0x5e), w(0x5f),\
w(0x60), w(0x61), w(0x62), w(0x63), w(0x64), w(0x65), w(0x66), w(0x67),\
w(0x68), w(0x69), w(0x6a), w(0x6b), w(0x6c), w(0x6d), w(0x6e), w(0x6f),\
w(0x70), w(0x71), w(0x72), w(0x73), w(0x74), w(0x75), w(0x76), w(0x77),\
w(0x78), w(0x79), w(0x7a), w(0x7b), w(0x7c), w(0x7d), w(0x7e), w(0x7f),\
w(0x80), w(0x81), w(0x82), w(0x83), w(0x84), w(0x85), w(0x86), w(0x87),\
w(0x88), w(0x89), w(0x8a), w(0x8b), w(0x8c), w(0x8d), w(0x8e), w(0x8f),\
w(0x90), w(0x91), w(0x92), w(0x93), w(0x94), w(0x95), w(0x96), w(0x97),\
w(0x98), w(0x99), w(0x9a), w(0x9b), w(0x9c), w(0x9d), w(0x9e), w(0x9f),\
w(0xa0), w(0xa1), w(0xa2), w(0xa3), w(0xa4), w(0xa5), w(0xa6), w(0xa7),\
w(0xa8), w(0xa9), w(0xaa), w(0xab), w(0xac), w(0xad), w(0xae), w(0xaf),\
w(0xb0), w(0xb1), w(0xb2), w(0xb3), w(0xb4), w(0xb5), w(0xb6), w(0xb7),\
w(0xb8), w(0xb9), w(0xba), w(0xbb), w(0xbc), w(0xbd), w(0xbe), w(0xbf),\
w(0xc0), w(0xc1), w(0xc2), w(0xc3), w(0xc4), w(0xc5), w(0xc6), w(0xc7),\
w(0xc8), w(0xc9), w(0xca), w(0xcb), w(0xcc), w(0xcd), w(0xce), w(0xcf),\
w(0xd0), w(0xd1), w(0xd2), w(0xd3), w(0xd4), w(0xd5), w(0xd6), w(0xd7),\
w(0xd8), w(0xd9), w(0xda), w(0xdb), w(0xdc), w(0xdd), w(0xde), w(0xdf),\
w(0xe0), w(0xe1), w(0xe2), w(0xe3), w(0xe4), w(0xe5), w(0xe6), w(0xe7),\
w(0xe8), w(0xe9), w(0xea), w(0xeb), w(0xec), w(0xed), w(0xee), w(0xef),\
w(0xf0), w(0xf1), w(0xf2), w(0xf3), w(0xf4), w(0xf5), w(0xf6), w(0xf7),\
w(0xf8), w(0xf9), w(0xfa), w(0xfb), w(0xfc), w(0xfd), w(0xfe), w(0xff) }
#define rc_data(w) {\
w(0x01), w(0x02), w(0x04), w(0x08), w(0x10),w(0x20), w(0x40), w(0x80),\
w(0x1b), w(0x36) }
#define h0(x) (x)
#define w0(p) bytes2word(p, 0, 0, 0)
#define w1(p) bytes2word(0, p, 0, 0)
#define w2(p) bytes2word(0, 0, p, 0)
#define w3(p) bytes2word(0, 0, 0, p)
#define u0(p) bytes2word(f2(p), p, p, f3(p))
#define u1(p) bytes2word(f3(p), f2(p), p, p)
#define u2(p) bytes2word(p, f3(p), f2(p), p)
#define u3(p) bytes2word(p, p, f3(p), f2(p))
#define v0(p) bytes2word(fe(p), f9(p), fd(p), fb(p))
#define v1(p) bytes2word(fb(p), fe(p), f9(p), fd(p))
#define v2(p) bytes2word(fd(p), fb(p), fe(p), f9(p))
#define v3(p) bytes2word(f9(p), fd(p), fb(p), fe(p))
#define f2(x) ((x<<1) ^ (((x>>7) & 1) * WPOLY))
#define f4(x) ((x<<2) ^ (((x>>6) & 1) * WPOLY) ^ (((x>>6) & 2) * WPOLY))
#define f8(x) ((x<<3) ^ (((x>>5) & 1) * WPOLY) ^ (((x>>5) & 2) * WPOLY) \
^ (((x>>5) & 4) * WPOLY))
#define f3(x) (f2(x) ^ x)
#define f9(x) (f8(x) ^ x)
#define fb(x) (f8(x) ^ f2(x) ^ x)
#define fd(x) (f8(x) ^ f4(x) ^ x)
#define fe(x) (f8(x) ^ f4(x) ^ f2(x))
#include "aestab.h"
#define t_parm(m,n) "t_"#m#n, t_##m##n
void rtab(FILE *f, unsigned char *h, const unsigned int t[RC_LENGTH])
{ int i;
fprintf(f, "\nuint_32t %s[RC_LENGTH] = \n{", h);
for(i = 0; i < RC_LENGTH; ++i)
{
if(i % 4 == 0)
fprintf(f, "\n ");
if(i != RC_LENGTH - 1)
fprintf(f, "0x%08x, ", t[i]);
else
fprintf(f, "0x%08x ", t[i]);
}
fprintf(f, "\n};\n");
}
void btab_1(FILE *f, unsigned char *h, const unsigned char t[256])
{ int i;
fprintf(f, "\nuint_8t %s[256] = \n{", h);
for(i = 0; i < 256; ++i)
{
if(i % 8 == 0)
fprintf(f, "\n ");
if(i != 255)
fprintf(f, "0x%02x, ", t[i]);
else
fprintf(f, "0x%02x ", t[i]);
}
fprintf(f, "\n};\n");
}
void wtab_1(FILE *f, unsigned char *h, const unsigned int t[256])
{ int i;
fprintf(f, "\nuint_32t %s[256] = \n{", h);
for(i = 0; i < 256; ++i)
{
if(i % 4 == 0)
fprintf(f, "\n ");
if(i != 255)
fprintf(f, "0x%08x, ", t[i]);
else
fprintf(f, "0x%08x ", t[i]);
}
fprintf(f, "\n};\n");
}
void wtab_4(FILE *f, unsigned char *h, const unsigned int t[4][256])
{ int i, j;
fprintf(f, "\nuint_32t %s[4][256] = \n{", h);
for(i = 0; i < 4; ++i)
{
fprintf(f, "\n {");
for(j = 0; j < 256; ++j)
{
if(j % 4 == 0)
fprintf(f, "\n ");
if(j != 255)
fprintf(f, "0x%08x, ", t[i][j]);
else
fprintf(f, "0x%08x ", t[i][j]);
}
if(i != 3)
fprintf(f, "\n },");
else
fprintf(f, "\n }");
}
fprintf(f, "\n};\n");
}
int main(void)
{ FILE *f;
f = fopen("aestab2.c", "w");
fprintf(f, "\n#include \"aes.h\"\n");
fprintf(f, "\n#define RC_LENGTH (5 * (AES_BLOCK_SIZE / 4 - 2))\n");
fprintf(f, "\nvoid aes_init() \n{ \n}\n");
rtab(f, t_parm(r,c));
#if defined( SBX_SET )
btab_1(f, t_parm(s,box));
#endif
#if defined( ISB_SET )
btab_1(f, t_parm(i,box));
#endif
#if defined( FT1_SET )
wtab_1(f, t_parm(f,n));
#endif
#if defined( FT4_SET )
wtab_4(f, t_parm(f,n));
#endif
#if defined( FL1_SET )
wtab_1(f, t_parm(f,l));
#endif
#if defined( FL4_SET )
wtab_4(f, t_parm(f,l));
#endif
#if defined( IT1_SET )
wtab_1(f, t_parm(i,n));
#endif
#if defined( IT4_SET )
wtab_4(f, t_parm(i,n));
#endif
#if defined( IL1_SET )
wtab_1(f, t_parm(i,l));
#endif
#if defined( IL4_SET )
wtab_4(f, t_parm(i,l));
#endif
#if defined( LS1_SET )
#if !defined( FL1_SET )
wtab_1(f, t_parm(l,s));
#endif
#endif
#if defined( LS4_SET )
#if !defined( FL4_SET )
wtab_4(f, t_parm(l,s));
#endif
#endif
#if defined( IM1_SET )
wtab_1(f, t_parm(i,m));
#endif
#if defined( IM4_SET )
wtab_4(f, t_parm(i,m));
#endif
fclose(f);
return 0;
}

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Private Const BlockLength = 16 ' maximum block length in bytes
Private Const BlockLengthMax = 32 ' maximum block length in bytes
Private Const KeyLengthMax = 32 ' maximum block length in bytes
Private Const KeyScheduleLengthMax = 64 ' maximum key schedule length in bytes
Private Type EncCtx ' type to hold the AES encryption context data
Ekey(0 To KeyScheduleLengthMax - 1) As Long
End Type
Private Type DecCtx ' type to hold the AES decryption context data
Ekey(0 To KeyScheduleLengthMax - 1) As Long
End Type
Private Type Key ' type to hold user key data
K(0 To KeyLengthMax - 1) As Byte
End Type
Private Type InOut ' type to hold cipher input and output blocks
IO(0 To BlockLength - 1) As Byte
End Type
Private Type BigInOut ' type to hold cipher input and output blocks
IO(0 To 128 * BlockLength - 1) As Byte
End Type
Rem Change "c:\temp\" in the following lines to the directory path where the AES DLL is located
Private Declare Function AesEncryptKey128 Lib "c:\temp\aes.dll" _
Alias "_aes_encrypt_key128@8" (K As Key, C As EncCtx) As Integer
Private Declare Function AesEncryptKey192 Lib "c:\temp\aes.dll" _
Alias "_aes_encrypt_key192@8" (K As Key, C As EncCtx) As Integer
Private Declare Function AesEncryptKey256 Lib "c:\temp\aes.dll" _
Alias "_aes_encrypt_key256@8" (K As Key, C As EncCtx) As Integer
Private Declare Function AesEncryptKey Lib "c:\temp\aes.dll" _
Alias "_aes_encrypt_key@12" (K As Key, ByVal N As Integer, C As EncCtx) As Integer
Private Declare Function AesEncrypt Lib "c:\temp\aes.dll" _
Alias "_aes_encrypt@12" (Ib As InOut, Ob As InOut, C As EncCtx) As Integer
Private Declare Function AesDecryptKey128 Lib "c:\temp\aes.dll" _
Alias "_aes_decrypt_key128@8" (K As Key, C As DecCtx) As Integer
Private Declare Function AesDecryptKey192 Lib "c:\temp\aes.dll" _
Alias "_aes_decrypt_key192@8" (K As Key, C As DecCtx) As Integer
Private Declare Function AesDecryptKey256 Lib "c:\temp\aes.dll" _
Alias "_aes_decrypt_key256@8" (K As Key, C As DecCtx) As Integer
Private Declare Function AesDecryptKey Lib "c:\temp\aes.dll" _
Alias "_aes_decrypt_key@12" (K As Key, ByVal N As Long, C As DecCtx) As Integer
Private Declare Function AesDecrypt Lib "c:\temp\aes.dll" _
Alias "_aes_decrypt@12" (Ib As InOut, Ob As InOut, C As DecCtx) As Integer
Private Declare Function AesModeReset Lib "c:\temp\aes.dll" Alias "_aes_mode_reset@4" _
(C As EncCtx) As Integer
Private Declare Function AesEcbEncrypt Lib "c:\temp\aes.dll" Alias "_aes_ecb_encrypt@16" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, C As EncCtx) As Integer
Private Declare Function AesEcbDecrypt Lib "c:\temp\aes.dll" Alias "_aes_ecb_decrypt@16" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, C As DecCtx) As Integer
Private Declare Function AesCbcEncrypt Lib "c:\temp\aes.dll" Alias "_aes_cbc_encrypt@20" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, Iv As InOut, C As EncCtx) As Integer
Private Declare Function AesCbcDecrypt Lib "c:\temp\aes.dll" Alias "_aes_cbc_decrypt@20" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, Iv As InOut, C As DecCtx) As Integer
Private Declare Function AesCfbEncrypt Lib "c:\temp\aes.dll" Alias "_aes_cfb_encrypt@20" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, Iv As InOut, C As EncCtx) As Integer
Private Declare Function AesCfbDecrypt Lib "c:\temp\aes.dll" Alias "_aes_cfb_decrypt@20" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, Iv As InOut, C As EncCtx) As Integer
Private Declare Function AesOfbCrypt Lib "c:\temp\aes.dll" Alias "_aes_ofb_crypt@20" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, Iv As InOut, C As EncCtx) As Integer
Private Declare Function AesCtrCrypt Lib "c:\temp\aes.dll" Alias "_aes_ctr_crypt@24" _
(Ib As BigInOut, Ob As BigInOut, ByVal N As Long, Iv As InOut, ByVal CtrFn As Long, C As EncCtx) As Integer
Private Sub Hex(X As Byte) ' output a byte in hexadecimal format
Dim H As Byte
H = Int(X / 16)
If H < 10 Then Debug.Print Chr(48 + H); Else Debug.Print Chr(87 + H);
H = Int(X Mod 16)
If H < 10 Then Debug.Print Chr(48 + H); Else Debug.Print Chr(87 + H);
End Sub
Private Sub OutKey(S As String, B As Key, ByVal KeyL As Integer) ' display a key value
Debug.Print: Debug.Print S;
For i = 0 To KeyL - 1
Hex B.K(i)
Next i
End Sub
Private Sub OutBlock(S As String, B As InOut) ' display an input/output block
Debug.Print: Debug.Print S;
For i = 0 To BlockLength - 1
Hex B.IO(i)
Next i
End Sub
Private Sub OutBigBlock(S As String, B As BigInOut) ' display an input/output block
Debug.Print: Debug.Print S;
For i = 0 To BlockLength - 1
Hex B.IO(i)
Next i
Debug.Print " ... ";
For i = 127 * BlockLength To 128 * BlockLength - 1
Hex B.IO(i)
Next i
End Sub
Private Sub CtrInc(Ctr As InOut)
Ctr.IO(0) = Ctr.IO(0) + 1
If (Ctr.IO(0) = 0) Then
Ctr.IO(1) = Ctr.IO(1) + 1
If (Ctr.IO(1) = 0) Then
Ctr.IO(2) = Ctr.IO(2) + 1
If (Ctr.IO(3) = 0) Then
Ctr.IO(3) = Ctr.IO(3) + 1
End If
End If
End If
End Sub
Rem The following Main routine should output the following in the immediate window:
Rem Variable Key Length ( 16 )
Rem Key = 00000000000000000000000000000000
Rem Input = 00000000000000000000000000000000
Rem Encrypted Text = 66e94bd4ef8a2c3b884cfa59ca342b2e
Rem Decrypted Text = 00000000000000000000000000000000
Rem Variable Key Length ( 24 )
Rem Key = 000000000000000000000000000000000000000000000000
Rem Input = 00000000000000000000000000000000
Rem Encrypted Text = aae06992acbf52a3e8f4a96ec9300bd7
Rem Decrypted Text = 00000000000000000000000000000000
Rem Variable Key Length ( 32 )
Rem Key = 0000000000000000000000000000000000000000000000000000000000000000
Rem Input = 00000000000000000000000000000000
Rem Encrypted Text = dc95c078a2408989ad48a21492842087
Rem Decrypted Text = 00000000000000000000000000000000
Rem Fixed Key Length ( 128 )
Rem Key = 00000000000000000000000000000000
Rem Input = 00000000000000000000000000000000
Rem Encrypted Text = 66e94bd4ef8a2c3b884cfa59ca342b2e
Rem Decrypted Text = 00000000000000000000000000000000
Rem Fixed Key Length ( 192 )
Rem Key = 000000000000000000000000000000000000000000000000
Rem Input = 00000000000000000000000000000000
Rem Encrypted Text = aae06992acbf52a3e8f4a96ec9300bd7
Rem Decrypted Text = 00000000000000000000000000000000
Rem Fixed Key Length ( 256 )
Rem Key = 0000000000000000000000000000000000000000000000000000000000000000
Rem Input = 00000000000000000000000000000000
Rem Encrypted Text = dc95c078a2408989ad48a21492842087
Rem Decrypted Text = 00000000000000000000000000000000
Sub Main()
Dim Key As Key ' all these variables are initialised
Dim Ib As InOut, Ob As InOut, Rb As InOut ' to zero by VBA
Dim Iv1 As InOut, Iv2 As InOut
Dim Ecx As EncCtx
Dim Dcx As DecCtx
Dim RetVal As Integer
For KeyL = 16 To 32 Step 8
Debug.Print "Variable Key Length ("; KeyL; ")";
OutKey "Key = ", Key, KeyL
OutBlock "Input = ", Ib
RetVal = AesEncryptKey(Key, KeyL, Ecx) ' set an all zero encryption key
RetVal = AesEncrypt(Ib, Ob, Ecx) ' encrypt Ib to Ob
OutBlock "Encrypted Text = ", Ob
RetVal = AesDecryptKey(Key, KeyL, Dcx) ' set an all zero decryption key
RetVal = AesDecrypt(Ob, Rb, Dcx) ' decrypt Ob to Rb
OutBlock "Decrypted Text = ", Rb
Debug.Print
Next KeyL
Debug.Print
KeyL = 128: Debug.Print "Fixed Key Length ("; KeyL; ")";
OutKey "Key = ", Key, 16
OutBlock "Input = ", Ib
RetVal = AesEncryptKey128(Key, Ecx) ' set an all zero encryption key
RetVal = AesEncrypt(Ib, Ob, Ecx) ' encrypt Ib to Ob
OutBlock "Encrypted Text = ", Ob
RetVal = AesDecryptKey128(Key, Dcx) ' set an all zero decryption key
RetVal = AesDecrypt(Ob, Rb, Dcx) ' decrypt Ob to Rb
OutBlock "Decrypted Text = ", Rb
Debug.Print
Debug.Print
KeyL = 192: Debug.Print "Fixed Key Length ("; KeyL; ")";
OutKey "Key = ", Key, 24
OutBlock "Input = ", Ib
RetVal = AesEncryptKey192(Key, Ecx) ' set an all zero encryption key
RetVal = AesEncrypt(Ib, Ob, Ecx) ' encrypt Ib to Ob
OutBlock "Encrypted Text = ", Ob
RetVal = AesDecryptKey192(Key, Dcx) ' set an all zero decryption key
RetVal = AesDecrypt(Ob, Rb, Dcx) ' decrypt Ob to Rb
OutBlock "Decrypted Text = ", Rb
Debug.Print
Debug.Print
KeyL = 256: Debug.Print "Fixed Key Length ("; KeyL; ")";
OutKey "Key = ", Key, 32
OutBlock "Input = ", Ib
RetVal = AesEncryptKey256(Key, Ecx) ' set an all zero encryption key
RetVal = AesEncrypt(Ib, Ob, Ecx) ' encrypt Ib to Ob
OutBlock "Encrypted Text = ", Ob
RetVal = AesDecryptKey256(Key, Dcx) ' set an all zero decryption key
RetVal = AesDecrypt(Ob, Rb, Dcx) ' decrypt Ob to Rb
OutBlock "Decrypted Text = ", Rb
Debug.Print
Debug.Print
KeyL = 128: Debug.Print "Fixed Key Length ("; KeyL; ")";
OutKey "Key = ", Key, 16
OutBlock "Input = ", Ib
RetVal = AesEncryptKey128(Key, Ecx) ' set an all zero encryption key
OutBlock "Encrypted Text = ", Ob
RetVal = AesDecryptKey128(Key, Dcx) ' set an all zero decryption key
OutBlock "Decrypted Text = ", Rb
Debug.Print
Debug.Print
KeyL = 128: Debug.Print "Fixed Key Length ("; KeyL; ")";
OutKey "Key = ", Key, 16
RetVal = AesEncryptKey128(Key, Ecx) ' set an all zero encryption key
RetVal = AesDecryptKey128(Key, Dcx) ' set an all zero decryption key
Dim Pt1 As BigInOut, Pt2 As BigInOut, Ct As BigInOut
For i = 0 To 128 * BlockLength - 1
Pt1.IO(i) = i Mod 256
Next i
OutBigBlock "ECB Input = ", Pt1
RetVal = AesEcbEncrypt(Pt1, Ct, 128 * BlockLength, Ecx)
OutBigBlock "Encrypted Text = ", Ct
RetVal = AesEcbDecrypt(Ct, Pt2, 128 * BlockLength, Dcx)
OutBigBlock "Decrypted Text = ", Pt2
Debug.Print
OutBigBlock "CBC Mode Input = ", Pt1
RetVal = AesCbcEncrypt(Pt1, Ct, 128 * BlockLength, Iv1, Ecx)
OutBigBlock "Encrypted Text = ", Ct
RetVal = AesCbcDecrypt(Ct, Pt2, 128 * BlockLength, Iv2, Dcx)
OutBigBlock "Decrypted Text = ", Pt2
Debug.Print
OutBigBlock "CFB Mode Input = ", Pt1
RetVal = AesCfbEncrypt(Pt1, Ct, 128 * BlockLength, Iv1, Ecx)
OutBigBlock "Encrypted Text = ", Ct
RetVal = AesCfbDecrypt(Ct, Pt2, 128 * BlockLength, Iv2, Ecx)
OutBigBlock "Decrypted Text = ", Pt2
Debug.Print
OutBigBlock "OFB Mode Input = ", Pt1
RetVal = AesOfbCrypt(Pt1, Ct, 128 * BlockLength, Iv1, Ecx)
OutBigBlock "Encrypted Text = ", Ct
RetVal = AesOfbCrypt(Ct, Pt2, 128 * BlockLength, Iv2, Ecx)
OutBigBlock "Decrypted Text = ", Pt2
Debug.Print
#If False Then
Rem CTR Mode is not working because of a problem with the 'AddressOf' operator
OutBigBlock "CTR Mode Input = ", Pt1
RetVal = AesCtrCrypt(Pt1, Ct, 128 * BlockLength, Iv1, AddressOf CtrInc, Ecx)
OutBigBlock "Encrypted Text = ", Ct
RetVal = AesCtrCrypt(Ct, Pt2, 128 * BlockLength, Iv2, AddressOf CtrInc, Ecx)
OutBigBlock "Decrypted Text = ", Pt2
Debug.Print
#End If
Debug.Print
End Sub

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Support for the VIA Nehemiah Advanced Cryptography Engine (ACE)
---------------------------------------------------------------
A. Introduction
The AES code now supports the VIA ACE engine. The engine is invoked by the
multiple block AES modes calls in aes_modes.c and not by the basic AES code.
The define USE_VIA_ACE_IF_PRESENT is defined if VIA ACE detection and use is
required with fallback to the normal AES code if it is not present.
The define ASSUME_VIA_ACE_PRESENT is used when it is known that the VIA ACE
engine will always be present. Note, however, that this code will not work
correctly if the VIA ACE engine is either not present or turned off.
To enable ACE support the appropriate defines in section 2 of the options in
aesopt.h must be set. If ACE support is required then key scheduling must
use the C code so only the generic C code in Win32 mode, ASM_X86_V1C and
ASM_X86_V2C assembler code can be used (i.e ASM_X86_V2 and ASM_AMD64_C do
NOT support VIA ACE).
B. Using ACE
ACE is used in the code that implements the subroutines used for the multiple
block AES modes defined in aes_modes.h:
// used to reset modes to their start point without entering a new key
AES_RETURN aes_mode_reset(aes_encrypt_ctx cx[1]);
AES_RETURN aes_ecb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_encrypt_ctx cx[1]);
AES_RETURN aes_ecb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, const aes_decrypt_ctx cx[1]);
AES_RETURN aes_cbc_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_encrypt_ctx cx[1]);
AES_RETURN aes_cbc_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, const aes_decrypt_ctx cx[1]);
AES_RETURN aes_cfb_encrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
AES_RETURN aes_cfb_decrypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
#define aes_ofb_encrypt aes_ofb_crypt
#define aes_ofb_decrypt aes_ofb_crypt
AES_RETURN aes_ofb_crypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *iv, aes_encrypt_ctx cx[1]);
typedef void cbuf_inc(unsigned char *cbuf);
#define aes_ctr_encrypt aes_ctr_crypt
#define aes_ctr_decrypt aes_ctr_crypt
AES_RETURN aes_ctr_crypt(const unsigned char *ibuf, unsigned char *obuf,
int len, unsigned char *cbuf, cbuf_inc ctr_inc, aes_encrypt_ctx cx[1]);
Note that the single block AES calls defined in aes.h:
AES_RETURN aes_encrypt(const unsigned char *in, unsigned char *out,
const aes_encrypt_ctx cx[1]);
AES_RETURN aes_decrypt(const unsigned char *in, unsigned char *out,
const aes_decrypt_ctx cx[1]);
do NOT provide ACE support and should not be used if the ACE engine is
available and ACE support is required.
C. Constraints and Optimisation
There are several constraints that have to be observed when ACE is used if
the best performance is to be achieved:
1. As usual the appropriate key set up subroutine must be called before any
of the above subroutines are used.
2. The AES contexts - aes_encryption_ctx and aes_decryption_ctx - used with
these subroutines MUST be 16 byte aligned. Failure to align AES contexts
will often cause memory alignment exceptions.
3. The buffers used for inputs, outputs and IVs do not need to be 16 byte
aligned but the speed that is achieved will be much higher if this can be
arranged. In a flat address space (as now typical in 32-bit systems) this
means that: (a) that the lower nibble of all buffer addresses must be
zero, and (b) the compiler used must arrange to load the data and stack
segments on 16 byte address boundaries. The Microsoft VC++ compiler can
align all variables in this way (see the example macros for doing this in
aes_via_ace.txt). However it seems that the GCC compiler will only do this
for static global variables but not for variables placed on the stack, that
is local variables.
4. The data length in bytes (len) in calls to the ECB and CBC subroutines
must be a multiple of the 16 byte block length. An error return will
occur if this is not so.
5. The data length in all calls to the CFB, OFB and CTR subroutines must also
be a multiple of 16 bytes if the VIA ACE engine is to be used. Otherwise
these lengths can be of any value but the subroutines will only proceed at
full speed for lengths that are multiples of 16 bytes. The CFB, OFB and
CTR subroutines are incremental, with subsequent calls continuing from
where previous calls finished. The subroutine aes_mode_reset() can be used
to restart a mode without a key change but is not needed after a new key is
entered. Such a reset is not needed when the data lengths in all individual
calls to the AES mode subroutines are multiples of 16 bytes.
6. Note that the AES context contains mode details so only one type of mode
can be run from a context at any one time. A reset is necessary if a new
mode is used without a new context or a new key.
D. Expected Speeds
The speeds that have been obtained using a 1.2 GHz VIA C3 processor with
this code are given below (note that since CTR mode is not available in
the VIA hardware it is not present in the aligned timing figures):
AES Timing (Cycles/Byte) with the VIA ACE Engine (aligned in C)
Mode Blocks: 1 10 100 1000 Peak Throughput
ecb encrypt 8.25 1.36 0.69 0.63 1.9 Gbytes/second
ecb decrypt 8.75 1.41 0.70 0.64 1.9 Gbytes/second
cbc encrypt 11.56 2.41 1.47 1.38 870 Mbytes/second
cbc decrypt 12.37 2.38 1.47 1.38 870 Mbytes/second
cfb encrypt 11.93 2.46 1.48 1.38 870 Mbytes/second
cfb decrypt 12.18 2.36 1.47 1.38 870 Mbytes/second
ofb encrypt 13.31 3.88 2.92 2.82 425 Mbytes/second
ofb decrypt 13.31 3.88 2.92 2.82 425 Mbytes/second
AES Timing (Cycles/Byte) with the VIA ACE Engine (unaligned in C)
Mode Blocks: 1 10 100 1000 Peak Throughput
ecb encrypt 17.68 4.31 3.15 3.05 390 Mbytes/second
ecb decrypt 18.12 4.36 3.17 3.06 390 Mbytes/second
cbc encrypt 20.68 5.70 4.39 4.27 280 Mbytes/second
cbc decrypt 21.87 5.75 4.34 4.21 285 Mbytes/second
cfb encrypt 21.06 5.81 4.43 4.31 280 Mbytes/second
cfb decrypt 21.37 5.72 4.36 4.24 285 Mbytes/second
ofb encrypt 22.43 7.23 5.85 5.72 210 Mbytes/second
ofb decrypt 22.43 7.34 5.86 5.73 210 Mbytes/second
ctr encrypt 16.43 6.90 6.00 5.89 205 Mbytes/second
ctr decrypt 16.43 6.90 6.00 5.89 205 Mbytes/second
AES Timing (Cycles/Byte) with the VIA ACE Engine (unaligned assembler)
Mode Blocks: 1 10 100 1000 Peak Throughput
ecb encrypt 11.87 2.89 1.91 1.83 660 Mbytes/second
ecb decrypt 12.18 2.83 1.97 1.87 640 Mbytes/second
cbc encrypt 14.87 4.13 3.11 3.01 400 Mbytes/second
cbc decrypt 14.43 3.87 2.89 2.80 430 Mbytes/second
cfb encrypt 14.75 4.12 3.10 3.01 400 Mbytes/second
cfb decrypt 14.12 4.10 2.88 2.79 430 Mbytes/second
ofb encrypt 15.25 5.36 4.37 4.27 280 Mbytes/second
ofb decrypt 15.25 5.36 4.36 4.27 280 Mbytes/second
ctr encrypt 13.31 4.79 4.01 3.94 305 Mbytes/second
ctr decrypt 13.31 4.79 4.01 3.94 305 Mbytes/second
Brian Gladman, Worcester, UK

16
src/java/KP2AKdbLibrary/jni/final_key/Android.mk Normal file
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@ -0,0 +1,16 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := final-key
LOCAL_SRC_FILES := \
kpd_jni.c
LOCAL_C_INCLUDES := $(LOCAL_PATH)/../sha $(LOCAL_PATH)/../aes
LOCAL_STATIC_LIBRARIES := aes sha
LOCAL_LDLIBS := -llog
include $(BUILD_SHARED_LIBRARY)

507
src/java/KP2AKdbLibrary/jni/final_key/kpd_jni.c Normal file
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/*
This is a JNI wrapper for AES & SHA source code on Android.
Copyright (C) 2010 Michael Mohr
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include <string.h>
#include <pthread.h>
#include <jni.h>
/* Tune as desired */
#undef KPD_PROFILE
#undef KPD_DEBUG
#if defined(KPD_PROFILE)
#include <time.h>
#endif
#if defined(KPD_DEBUG)
#include <android/log.h>
#endif
#include "aes.h"
#include "sha2.h"
static JavaVM *cached_vm;
static jclass bad_arg, no_mem, bad_padding, short_buf, block_size;
typedef enum {
ENCRYPTION,
DECRYPTION,
FINALIZED
} edir_t;
#define AES_BLOCK_SIZE 16
#define CACHE_SIZE 32
typedef struct _aes_state {
edir_t direction;
uint32_t cache_len;
uint8_t iv[16], cache[CACHE_SIZE];
uint8_t ctx[sizeof(aes_encrypt_ctx)]; // 244
} aes_state;
#define ENC_CTX(state) (((aes_encrypt_ctx *)((state)->ctx)))
#define DEC_CTX(state) (((aes_decrypt_ctx *)((state)->ctx)))
#define ALIGN_EXTRA 15
#define ALIGN16(x) (void *)(((uintptr_t)(x)+ALIGN_EXTRA) & ~ 0x0F)
JNIEXPORT jint JNICALL JNI_OnLoad( JavaVM *vm, void *reserved ) {
JNIEnv *env;
jclass cls;
cached_vm = vm;
if((*vm)->GetEnv(vm, (void **)&env, JNI_VERSION_1_6))
return JNI_ERR;
cls = (*env)->FindClass(env, "java/lang/IllegalArgumentException");
if( cls == NULL )
return JNI_ERR;
bad_arg = (*env)->NewGlobalRef(env, cls);
if( bad_arg == NULL )
return JNI_ERR;
cls = (*env)->FindClass(env, "java/lang/OutOfMemoryError");
if( cls == NULL )
return JNI_ERR;
no_mem = (*env)->NewGlobalRef(env, cls);
if( no_mem == NULL )
return JNI_ERR;
cls = (*env)->FindClass(env, "javax/crypto/BadPaddingException");
if( cls == NULL )
return JNI_ERR;
bad_padding = (*env)->NewGlobalRef(env, cls);
cls = (*env)->FindClass(env, "javax/crypto/ShortBufferException");
if( cls == NULL )
return JNI_ERR;
short_buf = (*env)->NewGlobalRef(env, cls);
cls = (*env)->FindClass(env, "javax/crypto/IllegalBlockSizeException");
if( cls == NULL )
return JNI_ERR;
block_size = (*env)->NewGlobalRef(env, cls);
aes_init();
return JNI_VERSION_1_6;
}
// called on garbage collection
JNIEXPORT void JNICALL JNI_OnUnload( JavaVM *vm, void *reserved ) {
JNIEnv *env;
if((*vm)->GetEnv(vm, (void **)&env, JNI_VERSION_1_6)) {
return;
}
(*env)->DeleteGlobalRef(env, bad_arg);
(*env)->DeleteGlobalRef(env, no_mem);
(*env)->DeleteGlobalRef(env, bad_padding);
(*env)->DeleteGlobalRef(env, short_buf);
(*env)->DeleteGlobalRef(env, block_size);
return;
}
JNIEXPORT jlong JNICALL Java_com_keepassdroid_crypto_NativeAESCipherSpi_nInit(JNIEnv *env, jobject this, jboolean encrypting, jbyteArray key, jbyteArray iv) {
uint8_t ckey[32];
aes_state *state;
jint key_len = (*env)->GetArrayLength(env, key);
jint iv_len = (*env)->GetArrayLength(env, iv);
if( ! ( key_len == 16 || key_len == 24 || key_len == 32 ) || iv_len != 16 ) {
(*env)->ThrowNew(env, bad_arg, "Invalid length of key or iv");
return -1;
}
state = (aes_state *)malloc(sizeof(aes_state));
if( state == NULL ) {
(*env)->ThrowNew(env, no_mem, "Cannot allocate memory for the encryption state");
return -1;
}
memset(state, 0, sizeof(aes_state));
(*env)->GetByteArrayRegion(env, key, (jint)0, key_len, (jbyte *)ckey);
(*env)->GetByteArrayRegion(env, iv, (jint)0, iv_len, (jbyte *)state->iv);
if( encrypting ) {
state->direction = ENCRYPTION;
aes_encrypt_key(ckey, key_len, ENC_CTX(state));
} else {
state->direction = DECRYPTION;
aes_decrypt_key(ckey, key_len, DEC_CTX(state));
}
return (jlong)state;
}
JNIEXPORT void JNICALL Java_com_keepassdroid_crypto_NativeAESCipherSpi_nCleanup(JNIEnv *env, jclass this, jlong state) {
free((void *)state);
}
/*
TODO:
It seems like the android implementation of the AES cipher stays a
block behind with update calls. So, if you do an update for 16 bytes,
it will return nothing in the output buffer. Then, it is the finalize
call that will return the last block stripping off padding if it is
not a full block.
*/
JNIEXPORT jint JNICALL Java_com_keepassdroid_crypto_NativeAESCipherSpi_nUpdate(JNIEnv *env, jobject this,
jlong state, jbyteArray input, jint inputOffset, jint inputLen, jbyteArray output, jint outputOffset, jint outputSize) {
int aes_ret;
uint32_t outLen, bytes2cache, cryptLen;
void *in, *out;
uint8_t *c_input, *c_output;
aes_state *c_state;
#if defined(KPD_DEBUG)
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nUpdate", "entry: inputLen=%d, outputSize=%d", inputLen, outputSize);
#endif
// step 1: first, some housecleaning
if( !inputLen || !outputSize || outputOffset < 0 || !input || !output ) {
(*env)->ThrowNew(env, bad_arg, "nUpdate: called with 1 or more invalid arguments");
return -1;
}
c_state = (aes_state *)state;
if( c_state->direction == FINALIZED ) {
(*env)->ThrowNew(env, bad_arg, "Trying to update a finalized state");
return -1;
}
// step 1.5: calculate cryptLen and outLen
cryptLen = inputLen + c_state->cache_len;
if( cryptLen < CACHE_SIZE ) {
(*env)->GetByteArrayRegion(env, input, inputOffset, inputLen, (jbyte *)(c_state->cache + c_state->cache_len));
c_state->cache_len = cryptLen;
return 0;
}
// now we're guaranteed that cryptLen >= CACHE_SIZE (32)
bytes2cache = (cryptLen & 15) + AES_BLOCK_SIZE; // mask bottom 4 bits plus 1 block
outLen = (cryptLen - bytes2cache); // output length is now aligned to a 16-byte boundary
if( outLen > (uint32_t)outputSize ) {
(*env)->ThrowNew(env, bad_arg, "Output buffer does not have enough space");
return -1;
}
// step 2: allocate memory to hold input and output data
in = malloc(cryptLen+ALIGN_EXTRA);
if( in == NULL ) {
(*env)->ThrowNew(env, no_mem, "Unable to allocate heap space for encryption input");
return -1;
}
c_input = ALIGN16(in);
out = malloc(outLen+ALIGN_EXTRA);
if( out == NULL ) {
free(in);
(*env)->ThrowNew(env, no_mem, "Unable to allocate heap space for encryption output");
return -1;
}
c_output = ALIGN16(out);
// step 3: copy data from Java and en/decrypt it
if( c_state->cache_len ) {
memcpy(c_input, c_state->cache, c_state->cache_len);
(*env)->GetByteArrayRegion(env, input, inputOffset, inputLen, (jbyte *)(c_input + c_state->cache_len));
} else {
(*env)->GetByteArrayRegion(env, input, inputOffset, inputLen, (jbyte *)c_input);
}
if( c_state->direction == ENCRYPTION )
aes_ret = aes_cbc_encrypt(c_input, c_output, outLen, c_state->iv, ENC_CTX(c_state));
else
aes_ret = aes_cbc_decrypt(c_input, c_output, outLen, c_state->iv, DEC_CTX(c_state));
if( aes_ret != EXIT_SUCCESS ) {
free(in);
free(out);
(*env)->ThrowNew(env, bad_arg, "Failed to encrypt input data"); // FIXME: get a better exception class for this...
return -1;
}
(*env)->SetByteArrayRegion(env, output, outputOffset, outLen, (jbyte *)c_output);
// step 4: cleanup and return
if( bytes2cache ) {
c_state->cache_len = bytes2cache; // set new cache length
memcpy(c_state->cache, (c_input + outLen), bytes2cache); // cache overflow bytes for next call
} else {
c_state->cache_len = 0;
}
free(in);
free(out);
#if defined(KPD_DEBUG)
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nUpdate", "exit: outLen=%d", outLen);
#endif
return outLen;
}
/*
outputSize must be at least 32 for encryption since the buffer may contain >= 1 full block
outputSize must be at least 16 for decryption
*/
JNIEXPORT jint JNICALL Java_com_keepassdroid_crypto_NativeAESCipherSpi_nFinal(JNIEnv *env, jobject this,
jlong state, jboolean doPadding, jbyteArray output, jint outputOffset, jint outputSize) {
int i;
uint32_t padValue, paddedCacheLen, j;
uint8_t final_output[CACHE_SIZE] __attribute__ ((aligned (16)));
aes_state *c_state;
#if defined(KPD_DEBUG)
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nFinal", "entry: outputOffset=%d, outputSize=%d", outputOffset, outputSize);
#endif
if( !output || outputOffset < 0 ) {
(*env)->ThrowNew(env, bad_arg, "Invalid argument(s) passed to nFinal");
return -1;
}
c_state = (aes_state *)state;
if( c_state->direction == FINALIZED ) {
(*env)->ThrowNew(env, bad_arg, "This state has already been finalized");
return -1;
}
// allow fetching of remaining bytes from cache
if( !doPadding ) {
(*env)->SetByteArrayRegion(env, output, outputOffset, c_state->cache_len, (jbyte *)c_state->cache);
c_state->direction = FINALIZED;
return c_state->cache_len;
}
#if defined(KPD_DEBUG)
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nFinal", "crypto operation starts");
#endif
if( c_state->direction == ENCRYPTION ) {
if( c_state->cache_len >= 16 ) {
paddedCacheLen = 32;
} else {
paddedCacheLen = 16;
}
if( outputSize < (jint)paddedCacheLen ) {
(*env)->ThrowNew(env, short_buf, "Insufficient space in output buffer");
return -1;
}
padValue = paddedCacheLen - c_state->cache_len;
if(!padValue) padValue = 16;
memset(c_state->cache + c_state->cache_len, padValue, padValue);
if( aes_cbc_encrypt(c_state->cache, final_output, paddedCacheLen, c_state->iv, ENC_CTX(c_state)) != EXIT_SUCCESS ) {
(*env)->ThrowNew(env, bad_arg, "Failed to encrypt the final data block(s)"); // FIXME: get a better exception class for this...
return -1;
}
(*env)->SetByteArrayRegion(env, output, outputOffset, paddedCacheLen, (jbyte *)final_output);
c_state->direction = FINALIZED;
#if defined(KPD_DEBUG)
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nFinal", "encryption operation completed, returning %d bytes", paddedCacheLen);
#endif
return paddedCacheLen;
} else { // DECRYPTION
paddedCacheLen = c_state->cache_len;
if( outputSize < (jint)paddedCacheLen ) {
(*env)->ThrowNew(env, short_buf, "Insufficient space in output buffer");
return -1;
}
if( paddedCacheLen != 16 ) {
(*env)->ThrowNew(env, bad_padding, "Incomplete final block in cache for decryption state");
return -1;
}
if( aes_cbc_decrypt(c_state->cache, final_output, paddedCacheLen, c_state->iv, DEC_CTX(c_state)) != EXIT_SUCCESS ) {
(*env)->ThrowNew(env, bad_arg, "Failed to decrypt the final data block(s)"); // FIXME: get a better exception class for this...
return -1;
}
padValue = final_output[paddedCacheLen-1];
for(i = (paddedCacheLen-1), j = 0; final_output[i] == padValue && i >= 0; i--, j++);
if( padValue != j ) {
(*env)->ThrowNew(env, bad_padding, "Failed to verify padding during decryption");
return -1;
}
j = 16 - j;
(*env)->SetByteArrayRegion(env, output, outputOffset, j, (jbyte *)final_output);
c_state->direction = FINALIZED;
#if defined(KPD_DEBUG)
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nFinal", "decryption operation completed, returning %d bytes", j);
#endif
return j;
}
}
JNIEXPORT jint JNICALL Java_com_keepassdroid_crypto_NativeAESCipherSpi_nGetCacheSize(JNIEnv* env, jobject this, jlong state) {
aes_state *c_state;
c_state = (aes_state *)state;
if( c_state->direction == FINALIZED ) {
(*env)->ThrowNew(env, bad_arg, "Invalid state");
return -1;
}
return c_state->cache_len;
}
#define MASTER_KEY_SIZE 32
typedef struct _master_key {
uint32_t rounds, done[2];
pthread_mutex_t lock1, lock2; // these lock the two halves of the key material
uint8_t c_seed[MASTER_KEY_SIZE] __attribute__ ((aligned (16)));
uint8_t key1[MASTER_KEY_SIZE] __attribute__ ((aligned (16)));
uint8_t key2[MASTER_KEY_SIZE] __attribute__ ((aligned (16)));
} master_key;
void *generate_key_material(void *arg) {
#if defined(KPD_PROFILE)
struct timespec start, end;
#endif
uint32_t i, flip = 0;
uint8_t *key1, *key2;
master_key *mk = (master_key *)arg;
aes_encrypt_ctx e_ctx[1] __attribute__ ((aligned (16)));
if( mk->done[0] == 0 && pthread_mutex_trylock(&mk->lock1) == 0 ) {
key1 = mk->key1;
key2 = mk->key2;
} else if( mk->done[1] == 0 && pthread_mutex_trylock(&mk->lock2) == 0 ) {
key1 = mk->key1 + (MASTER_KEY_SIZE/2);
key2 = mk->key2 + (MASTER_KEY_SIZE/2);
} else {
// this can only be scaled to two threads
pthread_exit( (void *)(-1) );
}
#if defined(KPD_PROFILE)
clock_gettime(CLOCK_THREAD_CPUTIME_ID, &start);
#endif
aes_encrypt_key256(mk->c_seed, e_ctx);
for (i = 0; i < mk->rounds; i++) {
if ( flip ) {
aes_encrypt(key2, key1, e_ctx);
flip = 0;
} else {
aes_encrypt(key1, key2, e_ctx);
flip = 1;
}
}
#if defined(KPD_PROFILE)
clock_gettime(CLOCK_THREAD_CPUTIME_ID, &end);
if( key1 == mk->key1 )
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nTransformMasterKey", "Thread 1 master key transformation took ~%d seconds", (end.tv_sec-start.tv_sec));
else
__android_log_print(ANDROID_LOG_INFO, "kpd_jni.c/nTransformMasterKey", "Thread 2 master key transformation took ~%d seconds", (end.tv_sec-start.tv_sec));
#endif
if( key1 == mk->key1 ) {
mk->done[0] = 1;
pthread_mutex_unlock(&mk->lock1);
} else {
mk->done[1] = 1;
pthread_mutex_unlock(&mk->lock2);
}
return (void *)flip;
}
JNIEXPORT jbyteArray JNICALL Java_com_keepassdroid_crypto_finalkey_NativeFinalKey_nTransformMasterKey(JNIEnv *env, jobject this, jbyteArray seed, jbyteArray key, jint rounds) {
master_key mk;
uint32_t flip;
pthread_t t1, t2;
int iret;
void *vret1, *vret2;
jbyteArray result;
sha256_ctx h_ctx[1] __attribute__ ((aligned (16)));
// step 1: housekeeping - sanity checks and fetch data from the JVM
if( (*env)->GetArrayLength(env, seed) != MASTER_KEY_SIZE ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: the seed is not the correct size");
return NULL;
}
if( (*env)->GetArrayLength(env, key) != MASTER_KEY_SIZE ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: the key is not the correct size");
return NULL;
}
if( rounds < 0 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: illegal number of encryption rounds");
return NULL;
}
mk.rounds = (uint32_t)rounds;
mk.done[0] = mk.done[1] = 0;
if( pthread_mutex_init(&mk.lock1, NULL) != 0 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: failed to initialize the mutex for thread 1"); // FIXME: get a better exception class for this...
return NULL;
}
if( pthread_mutex_init(&mk.lock2, NULL) != 0 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: failed to initialize the mutex for thread 2"); // FIXME: get a better exception class for this...
return NULL;
}
(*env)->GetByteArrayRegion(env, seed, 0, MASTER_KEY_SIZE, (jbyte *)mk.c_seed);
(*env)->GetByteArrayRegion(env, key, 0, MASTER_KEY_SIZE, (jbyte *)mk.key1);
// step 2: encrypt the hash "rounds" (default: 6000) times
iret = pthread_create( &t1, NULL, generate_key_material, (void*)&mk );
if( iret != 0 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: failed to launch thread 1"); // FIXME: get a better exception class for this...
return NULL;
}
iret = pthread_create( &t2, NULL, generate_key_material, (void*)&mk );
if( iret != 0 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: failed to launch thread 2"); // FIXME: get a better exception class for this...
return NULL;
}
iret = pthread_join( t1, &vret1 );
if( iret != 0 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: failed to join thread 1"); // FIXME: get a better exception class for this...
return NULL;
}
iret = pthread_join( t2, &vret2 );
if( iret != 0 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: failed to join thread 2"); // FIXME: get a better exception class for this...
return NULL;
}
if( vret1 == (void *)(-1) || vret2 == (void *)(-1) || vret1 != vret2 ) {
(*env)->ThrowNew(env, bad_arg, "TransformMasterKey: invalid flip value(s) from completed thread(s)"); // FIXME: get a better exception class for this...
return NULL;
} else {
flip = (uint32_t)vret1;
}
// step 3: final SHA256 hash
sha256_begin(h_ctx);
if( flip ) {
sha256_hash(mk.key2, MASTER_KEY_SIZE, h_ctx);
sha256_end(mk.key1, h_ctx);
flip = 0;
} else {
sha256_hash(mk.key1, MASTER_KEY_SIZE, h_ctx);
sha256_end(mk.key2, h_ctx);
flip = 1;
}
// step 4: send the hash into the JVM
result = (*env)->NewByteArray(env, MASTER_KEY_SIZE);
if( flip )
(*env)->SetByteArrayRegion(env, result, 0, MASTER_KEY_SIZE, (jbyte *)mk.key2);
else
(*env)->SetByteArrayRegion(env, result, 0, MASTER_KEY_SIZE, (jbyte *)mk.key1);
return result;
}
#undef MASTER_KEY_SIZE

5
src/java/KP2AKdbLibrary/jni/prep_build.sh Normal file
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#!/bin/sh
SHA_FILE="sha2-07-01-07.zip"
curl http://gladman.plushost.co.uk/oldsite/cryptography_technology/sha/$SHA_FILE > $SHA_FILE
unzip $SHA_FILE -d sha

13
src/java/KP2AKdbLibrary/jni/sha/.gitignore vendored Normal file
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@ -0,0 +1,13 @@
brg_endian.h
brg_types.h
hmac.c
hmac.h
pwd2key.c
pwd2key.h
sha1b.c
sha1.c
sha1.h
sha2b.c
sha2.c
sha2.h
shasum.c

14
src/java/KP2AKdbLibrary/jni/sha/Android.mk Normal file
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@ -0,0 +1,14 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := sha
LOCAL_SRC_FILES := \
sha1.c \
sha2.c \
hmac.c
LOCAL_CFLAGS := -DUSE_SHA256
include $(BUILD_STATIC_LIBRARY)

8
src/java/KP2AKdbLibrary/libs/.gitignore vendored Normal file
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@ -0,0 +1,8 @@
[^.]
armeabi
armeabi-v7a
x86
mips
mips-r2
mips-r2-sf
ant-contrib-0.3.jar

15
src/java/KP2AKdbLibrary/project.properties Normal file
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@ -0,0 +1,15 @@
# This file is automatically generated by Android Tools.
# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
#
# This file must be checked in Version Control Systems.
#
# To customize properties used by the Ant build system use,
# "ant.properties", and override values to adapt the script to your
# project structure.
# Indicates whether an apk should be generated for each density.
split.density=false
# Project target.
target=android-17
apk-configurations=
android.library=true

59
src/java/KP2AKdbLibrary/src/com/keepassdroid/UpdateStatus.java Normal file
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@ -0,0 +1,59 @@
/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.Handler;
public class UpdateStatus {
private ProgressDialog mPD;
private Context mCtx;
private Handler mHandler;
public UpdateStatus() {
}
public UpdateStatus(Context ctx, Handler handler, ProgressDialog pd) {
mCtx = ctx;
mPD = pd;
mHandler = handler;
}
public void updateMessage(int resId) {
if ( mCtx != null && mPD != null && mHandler != null ) {
mHandler.post(new UpdateMessage(resId));
}
}
private class UpdateMessage implements Runnable {
private int mResId;
public UpdateMessage(int resId) {
mResId = resId;
}
public void run() {
mPD.setMessage(mCtx.getString(mResId));
}
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/AESProvider.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto;
import java.security.Provider;
public final class AESProvider extends Provider {
/**
*
*/
private static final long serialVersionUID = -3846349284296062658L;
public AESProvider() {
super("AESProvider", 1.0, "");
put("Cipher.AES",com.keepassdroid.crypto.NativeAESCipherSpi.class.getName());
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/BouncyCastleProvider.java Normal file
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto;
import java.security.Provider;
public class BouncyCastleProvider extends Provider {
/**
*
*/
private static final long serialVersionUID = -6705090615178002994L;
public BouncyCastleProvider() {
super("BouncyCastleProvider", 1.0, "");
put("Cipher.TWOFISH", org.bouncycastle.jce.provider.JCEBlockCipher.Twofish.class.getName());
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/CipherFactory.java Normal file
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/*
* Copyright 2010-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.UUID;
import javax.crypto.Cipher;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import android.os.Build;
import com.keepassdroid.utils.Types;
public class CipherFactory {
private static boolean blacklistInit = false;
private static boolean blacklisted;
public static Cipher getInstance(String transformation) throws NoSuchAlgorithmException, NoSuchPaddingException {
return getInstance(transformation, false);
}
public static Cipher getInstance(String transformation, boolean androidOverride) throws NoSuchAlgorithmException, NoSuchPaddingException {
// Return the native AES if it is possible
if ( (!deviceBlacklisted()) && (!androidOverride) && hasNativeImplementation(transformation) && NativeLib.loaded() ) {
return Cipher.getInstance(transformation, new AESProvider());
} else {
try {
return Cipher.getInstance(transformation, new BouncyCastleProvider());
} catch (NoSuchAlgorithmException e) {
// Do nothing, fall through
} catch (NoSuchPaddingException e) {
// Do nothing, fall through
}
return Cipher.getInstance(transformation);
}
}
public static boolean deviceBlacklisted() {
if (!blacklistInit) {
blacklistInit = true;
// The Acer Iconia A500 is special and seems to always crash in the native crypto libraries
blacklisted = Build.MODEL.equals("A500");
}
return blacklisted;
}
private static boolean hasNativeImplementation(String transformation) {
return transformation.equals("AES/CBC/PKCS5Padding");
}
public static final UUID AES_CIPHER = Types.bytestoUUID(
new byte[]{(byte)0x31, (byte)0xC1, (byte)0xF2, (byte)0xE6, (byte)0xBF, (byte)0x71, (byte)0x43, (byte)0x50,
(byte)0xBE, (byte)0x58, (byte)0x05, (byte)0x21, (byte)0x6A, (byte)0xFC, 0x5A, (byte)0xFF
});
/** Generate appropriate cipher based on KeePass 2.x UUID's
* @param uuid
* @return
* @throws NoSuchPaddingException
* @throws NoSuchAlgorithmException
* @throws InvalidAlgorithmParameterException
* @throws InvalidKeyException
*/
public static Cipher getInstance(UUID uuid, int opmode, byte[] key, byte[] IV) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException {
return getInstance(uuid, opmode, key, IV, false);
}
public static Cipher getInstance(UUID uuid, int opmode, byte[] key, byte[] IV, boolean androidOverride) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, InvalidAlgorithmParameterException {
if ( uuid.equals(AES_CIPHER) ) {
Cipher cipher = CipherFactory.getInstance("AES/CBC/PKCS5Padding", androidOverride);
cipher.init(opmode, new SecretKeySpec(key, "AES"), new IvParameterSpec(IV));
return cipher;
}
throw new NoSuchAlgorithmException("UUID unrecognized.");
}
}

319
src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/NativeAESCipherSpi.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto;
import java.lang.ref.PhantomReference;
import java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.security.AlgorithmParameters;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.Key;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.security.spec.AlgorithmParameterSpec;
import java.security.spec.InvalidParameterSpecException;
import java.util.HashMap;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.CipherSpi;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.ShortBufferException;
import javax.crypto.spec.IvParameterSpec;
import android.util.Log;
public class NativeAESCipherSpi extends CipherSpi {
private static boolean mIsStaticInit = false;
private static HashMap<PhantomReference<NativeAESCipherSpi>, Long> mCleanup = new HashMap<PhantomReference<NativeAESCipherSpi>, Long>();
private static ReferenceQueue<NativeAESCipherSpi> mQueue = new ReferenceQueue<NativeAESCipherSpi>();
private final int AES_BLOCK_SIZE = 16;
private byte[] mIV;
private boolean mIsInited = false;
private boolean mEncrypting = false;
private long mCtxPtr;
private boolean mPadding = false;
private static void staticInit() {
mIsStaticInit = true;
// Start the cipher context cleanup thread to run forever
(new Thread(new Cleanup())).start();
}
private static void addToCleanupQueue(NativeAESCipherSpi ref, long ptr) {
Log.d("KeepassDroid", "queued cipher context: " + ptr);
mCleanup.put(new PhantomReference<NativeAESCipherSpi>(ref, mQueue), ptr);
}
/** Work with the garbage collector to clean up openssl memory when the cipher
* context is garbage collected.
* @author bpellin
*
*/
private static class Cleanup implements Runnable {
public void run() {
while (true) {
try {
Reference<? extends NativeAESCipherSpi> ref = mQueue.remove();
long ctx = mCleanup.remove(ref);
nCleanup(ctx);
Log.d("KeePassDroid", "Cleaned up cipher context: " + ctx);
} catch (InterruptedException e) {
// Do nothing, but resume looping if mQueue.remove is interrupted
}
}
}
}
private static native void nCleanup(long ctxPtr);
public NativeAESCipherSpi() {
if ( ! mIsStaticInit ) {
staticInit();
}
}
@Override
protected byte[] engineDoFinal(byte[] input, int inputOffset, int inputLen)
throws IllegalBlockSizeException, BadPaddingException {
int maxSize = engineGetOutputSize(inputLen);
byte[] output = new byte[maxSize];
int finalSize;
try {
finalSize = doFinal(input, inputOffset, inputLen, output, 0);
} catch (ShortBufferException e) {
// This shouldn't be possible rethrow as RuntimeException
throw new RuntimeException("Short buffer exception shouldn't be possible from here.");
}
if ( maxSize == finalSize ) {
return output;
} else {
// TODO: Special doFinal to avoid this copy
byte[] exact = new byte[finalSize];
System.arraycopy(output, 0, exact, 0, finalSize);
return exact;
}
}
@Override
protected int engineDoFinal(byte[] input, int inputOffset, int inputLen,
byte[] output, int outputOffset) throws ShortBufferException,
IllegalBlockSizeException, BadPaddingException {
int result = doFinal(input, inputOffset, inputLen, output, outputOffset);
if ( result == -1 ) {
throw new ShortBufferException();
}
return result;
}
private int doFinal(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset)
throws ShortBufferException, IllegalBlockSizeException, BadPaddingException {
int outputSize = engineGetOutputSize(inputLen);
int updateAmt;
if (input != null && inputLen > 0) {
updateAmt = nUpdate(mCtxPtr, input, inputOffset, inputLen, output, outputOffset, outputSize);
} else {
updateAmt = 0;
}
int finalAmt = nFinal(mCtxPtr, mPadding, output, outputOffset + updateAmt, outputSize - updateAmt);
int out = updateAmt + finalAmt;
return out;
}
private native int nFinal(long ctxPtr, boolean usePadding, byte[] output, int outputOffest, int outputSize)
throws ShortBufferException, IllegalBlockSizeException, BadPaddingException;
@Override
protected int engineGetBlockSize() {
return AES_BLOCK_SIZE;
}
@Override
protected byte[] engineGetIV() {
return mIV.clone();
}
@Override
protected int engineGetOutputSize(int inputLen) {
return inputLen + nGetCacheSize(mCtxPtr) + AES_BLOCK_SIZE;
}
private native int nGetCacheSize(long ctxPtr);
@Override
protected AlgorithmParameters engineGetParameters() {
// TODO Auto-generated method stub
return null;
}
@Override
protected void engineInit(int opmode, Key key, SecureRandom random)
throws InvalidKeyException {
byte[] ivArray = new byte[16];
random.nextBytes(ivArray);
init(opmode, key, new IvParameterSpec(ivArray));
}
@Override
protected void engineInit(int opmode, Key key,
AlgorithmParameterSpec params, SecureRandom random)
throws InvalidKeyException, InvalidAlgorithmParameterException {
IvParameterSpec ivparam;
if ( params instanceof IvParameterSpec ) {
ivparam = (IvParameterSpec) params;
} else {
throw new InvalidAlgorithmParameterException("params must be an IvParameterSpec.");
}
init(opmode, key, ivparam);
}
@Override
protected void engineInit(int opmode, Key key, AlgorithmParameters params,
SecureRandom random) throws InvalidKeyException,
InvalidAlgorithmParameterException {
try {
engineInit(opmode, key, params.getParameterSpec(AlgorithmParameterSpec.class), random);
} catch (InvalidParameterSpecException e) {
throw new InvalidAlgorithmParameterException(e);
}
}
private void init(int opmode, Key key, IvParameterSpec params) {
if ( mIsInited ) {
// Do not allow multiple inits
assert(true);
throw new RuntimeException("Don't allow multiple inits");
} else {
NativeLib.init();
mIsInited = true;
}
mIV = params.getIV();
mEncrypting = opmode == Cipher.ENCRYPT_MODE;
mCtxPtr = nInit(mEncrypting, key.getEncoded(), mIV);
addToCleanupQueue(this, mCtxPtr);
}
private native long nInit(boolean encrypting, byte[] key, byte[] iv);
@Override
protected void engineSetMode(String mode) throws NoSuchAlgorithmException {
if ( ! mode.equals("CBC") ) {
throw new NoSuchAlgorithmException("This only supports CBC mode");
}
}
@Override
protected void engineSetPadding(String padding)
throws NoSuchPaddingException {
if ( ! mIsInited ) {
NativeLib.init();
}
if ( padding.length() == 0 ) {
return;
}
if ( ! padding.equals("PKCS5Padding") ) {
throw new NoSuchPaddingException("Only supports PKCS5Padding.");
}
mPadding = true;
}
@Override
protected byte[] engineUpdate(byte[] input, int inputOffset, int inputLen) {
int maxSize = engineGetOutputSize(inputLen);
byte output[] = new byte[maxSize];
int updateSize = update(input, inputOffset, inputLen, output, 0);
if ( updateSize == maxSize ) {
return output;
} else {
// TODO: We could optimize update for this case to avoid this extra copy
byte[] exact = new byte[updateSize];
System.arraycopy(output, 0, exact, 0, updateSize);
return exact;
}
}
@Override
protected int engineUpdate(byte[] input, int inputOffset, int inputLen,
byte[] output, int outputOffset) throws ShortBufferException {
int result = update(input, inputOffset, inputLen, output, outputOffset);
if ( result == -1 ) {
throw new ShortBufferException("Insufficient buffer.");
}
return result;
}
int update(byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset) {
int outputSize = engineGetOutputSize(inputLen);
int out = nUpdate(mCtxPtr, input, inputOffset, inputLen, output, outputOffset, outputSize);
return out;
}
private native int nUpdate(long ctxPtr, byte[] input, int inputOffset, int inputLen, byte[] output, int outputOffset, int outputSize);
}

45
src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/NativeLib.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto;
public class NativeLib {
private static boolean isLoaded = false;
private static boolean loadSuccess = false;
public static boolean loaded() {
return init();
}
public static boolean init() {
if ( ! isLoaded ) {
try {
System.loadLibrary("final-key");
} catch ( UnsatisfiedLinkError e) {
return false;
}
isLoaded = true;
loadSuccess = true;
}
return loadSuccess;
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/PwStreamCipherFactory.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.bouncycastle.crypto.StreamCipher;
import org.bouncycastle.crypto.engines.Salsa20Engine;
import org.bouncycastle.crypto.params.KeyParameter;
import org.bouncycastle.crypto.params.ParametersWithIV;
import com.keepassdroid.database.CrsAlgorithm;
public class PwStreamCipherFactory {
public static StreamCipher getInstance(CrsAlgorithm alg, byte[] key) {
if ( alg == CrsAlgorithm.Salsa20 ) {
return getSalsa20(key);
} else {
return null;
}
}
private static final byte[] SALSA_IV = new byte[]{ (byte)0xE8, 0x30, 0x09, 0x4B,
(byte)0x97, 0x20, 0x5D, 0x2A };
private static StreamCipher getSalsa20(byte[] key) {
// Build stream cipher key
MessageDigest md;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
throw new RuntimeException("SHA 256 not supported");
}
byte[] key32 = md.digest(key);
KeyParameter keyParam = new KeyParameter(key32);
ParametersWithIV ivParam = new ParametersWithIV(keyParam, SALSA_IV);
StreamCipher cipher = new Salsa20Engine();
cipher.init(true, ivParam);
return cipher;
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/finalkey/AndroidFinalKey.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto.finalkey;
import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import javax.crypto.Cipher;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.ShortBufferException;
import javax.crypto.spec.SecretKeySpec;
public class AndroidFinalKey extends FinalKey {
@Override
public byte[] transformMasterKey(byte[] pKeySeed, byte[] pKey, int rounds) throws IOException {
Cipher cipher;
try {
cipher = Cipher.getInstance("AES/ECB/NoPadding");
} catch (NoSuchAlgorithmException e) {
throw new IOException("NoSuchAlgorithm: " + e.getMessage());
} catch (NoSuchPaddingException e) {
throw new IOException("NoSuchPadding: " + e.getMessage());
}
try {
cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(pKeySeed, "AES"));
} catch (InvalidKeyException e) {
throw new IOException("InvalidPasswordException: " + e.getMessage());
}
// Encrypt key rounds times
byte[] newKey = new byte[pKey.length];
System.arraycopy(pKey, 0, newKey, 0, pKey.length);
byte[] destKey = new byte[pKey.length];
for (int i = 0; i < rounds; i++) {
try {
cipher.update(newKey, 0, newKey.length, destKey, 0);
System.arraycopy(destKey, 0, newKey, 0, newKey.length);
} catch (ShortBufferException e) {
throw new IOException("Short buffer: " + e.getMessage());
}
}
// Hash the key
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
assert true;
throw new IOException("SHA-256 not implemented here: " + e.getMessage());
}
md.update(newKey);
return md.digest();
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/finalkey/FinalKey.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto.finalkey;
import java.io.IOException;
public abstract class FinalKey {
public abstract byte[] transformMasterKey(byte[] seed, byte[] key, int rounds) throws IOException;
}

38
src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/finalkey/FinalKeyFactory.java Normal file
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/*
* Copyright 2009-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto.finalkey;
import com.keepassdroid.crypto.CipherFactory;
public class FinalKeyFactory {
public static FinalKey createFinalKey() {
return createFinalKey(false);
}
public static FinalKey createFinalKey(boolean androidOverride) {
// Prefer the native final key implementation
if ( !CipherFactory.deviceBlacklisted() && !androidOverride && NativeFinalKey.availble() ) {
return new NativeFinalKey();
} else {
// Fall back on the android crypto implementation
return new AndroidFinalKey();
}
}
}

55
src/java/KP2AKdbLibrary/src/com/keepassdroid/crypto/finalkey/NativeFinalKey.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.crypto.finalkey;
import java.io.IOException;
import com.keepassdroid.crypto.NativeLib;
public class NativeFinalKey extends FinalKey {
public static boolean availble() {
return NativeLib.init();
}
@Override
public byte[] transformMasterKey(byte[] seed, byte[] key, int rounds) throws IOException {
NativeLib.init();
return nTransformMasterKey(seed, key, rounds);
}
private static native byte[] nTransformMasterKey(byte[] seed, byte[] key, int rounds);
// For testing
/*
public static byte[] reflect(byte[] key) {
NativeLib.init();
return nativeReflect(key);
}
private static native byte[] nativeReflect(byte[] key);
*/
}

45
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/CrsAlgorithm.java Normal file
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
public enum CrsAlgorithm {
Null(0),
ArcFourVariant(1),
Salsa20(2);
public static final int count = 3;
public final int id;
private CrsAlgorithm(int num) {
id = num;
}
public static CrsAlgorithm fromId(int num) {
for ( CrsAlgorithm e : CrsAlgorithm.values() ) {
if ( e.id == num ) {
return e;
}
}
return null;
}
}

46
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
import java.util.Date;
public interface ITimeLogger {
Date getLastModificationTime();
void setLastModificationTime(Date date);
Date getCreationTime();
void setCreationTime(Date date);
Date getLastAccessTime();
void setLastAccessTime(Date date);
Date getExpiryTime();
void setExpiryTime(Date date);
boolean expires();
void setExpires(boolean exp);
long getUsageCount();
void setUsageCount(long count);
Date getLocationChanged();
void setLocationChanged(Date date);
}

47
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
public enum PwCompressionAlgorithm {
None(0),
Gzip(1);
// Note: We can get away with using int's to store unsigned 32-bit ints
// since we won't do arithmetic on these values (also unlikely to
// reach negative ids).
public final int id;
public static final int count = 2;
private PwCompressionAlgorithm(int num) {
id = num;
}
public static PwCompressionAlgorithm fromId(int num) {
for ( PwCompressionAlgorithm e : PwCompressionAlgorithm.values() ) {
if ( e.id == num ) {
return e;
}
}
return null;
}
}

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/*
* Copyright 2009-2011 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*
Derived from
KeePass for J2ME
Copyright 2007 Naomaru Itoi <nao@phoneid.org>
This file was derived from
Java clone of KeePass - A KeePass file viewer for Java
Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.keepassdroid.database;
// Java
import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.DigestOutputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import com.keepassdroid.crypto.finalkey.FinalKey;
import com.keepassdroid.crypto.finalkey.FinalKeyFactory;
import com.keepassdroid.database.exception.InvalidKeyFileException;
import com.keepassdroid.database.exception.KeyFileEmptyException;
import com.keepassdroid.stream.NullOutputStream;
/**
* @author Naomaru Itoi <nao@phoneid.org>
* @author Bill Zwicky <wrzwicky@pobox.com>
* @author Dominik Reichl <dominik.reichl@t-online.de>
*/
public class PwDatabaseV3 {
// Constants
// private static final int PWM_SESSION_KEY_SIZE = 12;
public byte masterKey[] = new byte[32];
public byte[] finalKey;
public String name = "KeePass database";
public PwGroupV3 rootGroup;
public PwIconFactory iconFactory = new PwIconFactory();
//public Map<PwGroupId, PwGroupV3> groupList = new HashMap<PwGroupId, PwGroupV3>();
//public Map<UUID, PwEntryV3> entryList = new HashMap<UUID, PwEntryV3>();
// all entries
public List<PwEntryV3> entries = new ArrayList<PwEntryV3>();
// all groups
public List<PwGroupV3> groups = new ArrayList<PwGroupV3>();
// Algorithm used to encrypt the database
public PwEncryptionAlgorithm algorithm;
public int numKeyEncRounds;
public void makeFinalKey(byte[] masterSeed, byte[] masterSeed2, int numRounds) throws IOException {
// Write checksum Checksum
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
throw new IOException("SHA-256 not implemented here.");
}
NullOutputStream nos = new NullOutputStream();
DigestOutputStream dos = new DigestOutputStream(nos, md);
byte[] transformedMasterKey = transformMasterKey(masterSeed2, masterKey, numRounds);
dos.write(masterSeed);
dos.write(transformedMasterKey);
finalKey = md.digest();
}
/**
* Encrypt the master key a few times to make brute-force key-search harder
* @throws IOException
*/
private static byte[] transformMasterKey( byte[] pKeySeed, byte[] pKey, int rounds ) throws IOException
{
FinalKey key = FinalKeyFactory.createFinalKey();
return key.transformMasterKey(pKeySeed, pKey, rounds);
}
public void setMasterKey(String key, String keyFileName)
throws InvalidKeyFileException, IOException {
assert( key != null && keyFileName != null );
masterKey = getMasterKey(key, keyFileName);
}
protected byte[] getCompositeKey(String key, String keyFileName)
throws InvalidKeyFileException, IOException {
assert(key != null && keyFileName != null);
byte[] fileKey = getFileKey(keyFileName);
byte[] passwordKey = getPasswordKey(key);
MessageDigest md;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
throw new IOException("SHA-256 not supported");
}
md.update(passwordKey);
return md.digest(fileKey);
}
protected byte[] getFileKey(String fileName)
throws InvalidKeyFileException, IOException {
assert(fileName != null);
File keyfile = new File(fileName);
if ( ! keyfile.exists() ) {
throw new InvalidKeyFileException();
}
byte[] key = loadXmlKeyFile(fileName);
if ( key != null ) {
return key;
}
FileInputStream fis;
try {
fis = new FileInputStream(keyfile);
} catch (FileNotFoundException e) {
throw new InvalidKeyFileException();
}
BufferedInputStream bis = new BufferedInputStream(fis, 64);
long fileSize = keyfile.length();
if ( fileSize == 0 ) {
throw new KeyFileEmptyException();
} else if ( fileSize == 32 ) {
byte[] outputKey = new byte[32];
if ( bis.read(outputKey, 0, 32) != 32 ) {
throw new IOException("Error reading key.");
}
return outputKey;
} else if ( fileSize == 64 ) {
byte[] hex = new byte[64];
bis.mark(64);
if ( bis.read(hex, 0, 64) != 64 ) {
throw new IOException("Error reading key.");
}
try {
return hexStringToByteArray(new String(hex));
} catch (IndexOutOfBoundsException e) {
// Key is not base 64, treat it as binary data
bis.reset();
}
}
MessageDigest md;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
throw new IOException("SHA-256 not supported");
}
//SHA256Digest md = new SHA256Digest();
byte[] buffer = new byte[2048];
int offset = 0;
try {
while (true) {
int bytesRead = bis.read(buffer, 0, 2048);
if ( bytesRead == -1 ) break; // End of file
md.update(buffer, 0, bytesRead);
offset += bytesRead;
}
} catch (Exception e) {
System.out.println(e.toString());
}
return md.digest();
}
public static byte[] hexStringToByteArray(String s) {
int len = s.length();
byte[] data = new byte[len / 2];
for (int i = 0; i < len; i += 2) {
data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
+ Character.digit(s.charAt(i+1), 16));
}
return data;
}
protected byte[] getPasswordKey(String key, String encoding) throws IOException {
assert(key!=null);
if ( key.length() == 0 )
throw new IllegalArgumentException( "Key cannot be empty." );
MessageDigest md;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
throw new IOException("SHA-256 not supported");
}
byte[] bKey;
try {
bKey = key.getBytes(encoding);
} catch (UnsupportedEncodingException e) {
assert false;
bKey = key.getBytes();
}
md.update(bKey, 0, bKey.length );
return md.digest();
}
public void super_addGroupTo(PwGroupV3 newGroup, PwGroupV3 parent) {
// Add group to parent group
if ( parent == null ) {
parent = rootGroup;
}
parent.childGroups.add(newGroup);
newGroup.setParent(parent);
//groupList.put(newGroup.getId(), newGroup);
parent.touch(true, true);
}
public void super_removeGroupFrom(PwGroupV3 remove, PwGroupV3 parent) {
// Remove group from parent group
parent.childGroups.remove(remove);
//groupList.remove(remove.getId());
}
public void super_addEntryTo(PwEntryV3 newEntry, PwGroupV3 parent) {
// Add entry to parent
if (parent != null) {
parent.childEntries.add(newEntry);
}
newEntry.setParent(parent);
//entryList.put(newEntry.getUUID(), newEntry);
}
public void super_removeEntryFrom(PwEntryV3 remove, PwGroupV3 parent) {
// Remove entry for parent
if (parent != null) {
parent.childEntries.remove(remove);
}
//entryList.remove(remove.getUUID());
}
/**
* Determine if an id number is already in use
*
* @param id
* ID number to check for
* @return True if the ID is used, false otherwise
*/
protected boolean isGroupIdUsed(PwGroupId id) {
List<PwGroupV3> groups = getGroups();
for (int i = 0; i < groups.size(); i++) {
PwGroupV3 group =groups.get(i);
if (group.getId().equals(id)) {
return true;
}
}
return false;
}
public boolean canRecycle(PwGroupV3 group) {
return false;
}
public boolean canRecycle(PwEntryV3 entry) {
return false;
}
public void recycle(PwEntryV3 entry) {
// Assume calls to this are protected by calling inRecyleBin
throw new RuntimeException("Call not valid for .kdb databases.");
}
public void undoRecycle(PwEntryV3 entry, PwGroupV3 origParent) {
throw new RuntimeException("Call not valid for .kdb databases.");
}
public void deleteEntry(PwEntryV3 entry) {
PwGroupV3 parent = entry.getParent();
removeEntryFrom(entry, parent);
parent.touch(false, true);
}
public void undoDeleteEntry(PwEntryV3 entry, PwGroupV3 origParent) {
addEntryTo(entry, origParent);
}
public PwGroupV3 getRecycleBin() {
return null;
}
public boolean super_isGroupSearchable(PwGroupV3 group, boolean omitBackup) {
return group != null;
}
public PwEncryptionAlgorithm getEncAlgorithm() {
return algorithm;
}
public int getNumKeyEncRecords() {
return numKeyEncRounds;
}
public List<PwGroupV3> getGroups() {
return groups;
}
public List<PwEntryV3> getEntries() {
return entries;
}
public void setGroups(List<PwGroupV3> grp) {
groups = grp;
}
public List<PwGroupV3> getGrpRoots() {
int target = 0;
List<PwGroupV3> kids = new ArrayList<PwGroupV3>();
for (int i = 0; i < groups.size(); i++) {
PwGroupV3 grp = (PwGroupV3) groups.get(i);
if (grp.level == target)
kids.add(grp);
}
return kids;
}
public int getRootGroupId() {
for (int i = 0; i < groups.size(); i++) {
PwGroupV3 grp = (PwGroupV3) groups.get(i);
if (grp.level == 0) {
return grp.groupId;
}
}
return -1;
}
public List<PwGroupV3> getGrpChildren(PwGroupV3 parent) {
int idx = groups.indexOf(parent);
int target = parent.level + 1;
List<PwGroupV3> kids = new ArrayList<PwGroupV3>();
while (++idx < groups.size()) {
PwGroupV3 grp = (PwGroupV3) groups.get(idx);
if (grp.level < target)
break;
else if (grp.level == target)
kids.add(grp);
}
return kids;
}
public List<PwEntryV3> getEntries(PwGroupV3 parent) {
List<PwEntryV3> kids = new ArrayList<PwEntryV3>();
/*
* for( Iterator i = entries.iterator(); i.hasNext(); ) { PwEntryV3 ent
* = (PwEntryV3)i.next(); if( ent.groupId == parent.groupId ) kids.add(
* ent ); }
*/
for (int i = 0; i < entries.size(); i++) {
PwEntryV3 ent = (PwEntryV3) entries.get(i);
if (ent.groupId == parent.groupId)
kids.add(ent);
}
return kids;
}
public String toString() {
return name;
}
public void constructTree(PwGroupV3 currentGroup) {
// I'm in root
if (currentGroup == null) {
PwGroupV3 root = new PwGroupV3();
rootGroup = root;
List<PwGroupV3> rootChildGroups = getGrpRoots();
root.setGroups(rootChildGroups);
root.childEntries = new ArrayList<PwEntryV3>();
root.level = -1;
for (int i = 0; i < rootChildGroups.size(); i++) {
PwGroupV3 grp = (PwGroupV3) rootChildGroups.get(i);
grp.parent = root;
constructTree(grp);
}
return;
}
// I'm in non-root
// get child groups
currentGroup.setGroups(getGrpChildren(currentGroup));
currentGroup.childEntries = getEntries(currentGroup);
// set parent in child entries
for (int i = 0; i < currentGroup.childEntries.size(); i++) {
PwEntryV3 entry = (PwEntryV3) currentGroup.childEntries.get(i);
entry.parent = currentGroup;
}
// recursively construct child groups
for (int i = 0; i < currentGroup.childGroups.size(); i++) {
PwGroupV3 grp = (PwGroupV3) currentGroup.childGroups.get(i);
grp.parent = currentGroup;
constructTree((PwGroupV3) currentGroup.childGroups.get(i));
}
return;
}
/*
public void removeGroup(PwGroupV3 group) {
group.parent.childGroups.remove(group);
groups.remove(group);
}
*/
public PwGroupIdV3 newGroupId() {
PwGroupIdV3 newId = new PwGroupIdV3(0);
Random random = new Random();
while (true) {
newId = new PwGroupIdV3(random.nextInt());
if (!isGroupIdUsed(newId)) break;
}
return newId;
}
public byte[] getMasterKey(String key, String keyFileName)
throws InvalidKeyFileException, IOException {
assert (key != null && keyFileName != null);
if (key.length() > 0 && keyFileName.length() > 0) {
return getCompositeKey(key, keyFileName);
} else if (key.length() > 0) {
return getPasswordKey(key);
} else if (keyFileName.length() > 0) {
return getFileKey(keyFileName);
} else {
throw new IllegalArgumentException("Key cannot be empty.");
}
}
public byte[] getPasswordKey(String key) throws IOException {
return getPasswordKey(key, "ISO-8859-1");
}
protected byte[] loadXmlKeyFile(String fileName) {
return null;
}
public long getNumRounds() {
return numKeyEncRounds;
}
public void setNumRounds(long rounds) throws NumberFormatException {
if (rounds > Integer.MAX_VALUE || rounds < Integer.MIN_VALUE) {
throw new NumberFormatException();
}
numKeyEncRounds = (int) rounds;
}
public boolean appSettingsEnabled() {
return true;
}
public void addEntryTo(PwEntryV3 newEntry, PwGroupV3 parent) {
super_addEntryTo(newEntry, parent);
// Add entry to root entries
entries.add(newEntry);
}
public void addGroupTo(PwGroupV3 newGroup, PwGroupV3 parent) {
super_addGroupTo(newGroup, parent);
// Add group to root groups
groups.add(newGroup);
}
public void removeEntryFrom(PwEntryV3 remove, PwGroupV3 parent) {
super_removeEntryFrom(remove, parent);
// Remove entry from root entry
entries.remove(remove);
}
public void removeGroupFrom(PwGroupV3 remove, PwGroupV3 parent) {
super_removeGroupFrom(remove, parent);
// Remove group from root entry
groups.remove(remove);
}
public PwGroupV3 createGroup() {
return new PwGroupV3();
}
// TODO: This could still be refactored cleaner
public void copyEncrypted(byte[] buf, int offset, int size) {
// No-op
}
// TODO: This could still be refactored cleaner
public void copyHeader(PwDbHeaderV3 header) {
// No-op
}
public boolean isBackup(PwGroupV3 group) {
PwGroupV3 g = (PwGroupV3) group;
while (g != null) {
if (g.level == 0 && g.name.equalsIgnoreCase("Backup")) {
return true;
}
g = g.parent;
}
return false;
}
public boolean isGroupSearchable(PwGroupV3 group, boolean omitBackup) {
if (!super_isGroupSearchable(group, omitBackup)) {
return false;
}
return !(omitBackup && isBackup(group));
}
}

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/*
* Copyright 2009-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import com.keepassdroid.utils.Types;
/** Converting from the C Date format to the Java data format is
* expensive when done for every record at once. I use this class to
* allow lazy conversions between the formats.
* @author bpellin
*
*/
public class PwDate implements Cloneable {
private static final int DATE_SIZE = 5;
private boolean cDateBuilt = false;
private boolean jDateBuilt = false;
private Date jDate;
private byte[] cDate;
public PwDate(byte[] buf, int offset) {
cDate = new byte[DATE_SIZE];
System.arraycopy(buf, offset, cDate, 0, DATE_SIZE);
cDateBuilt = true;
}
public PwDate(Date date) {
jDate = date;
jDateBuilt = true;
}
public PwDate(long millis) {
jDate = new Date(millis);
jDateBuilt = true;
}
private PwDate() {
}
@Override
public Object clone() {
PwDate copy = new PwDate();
if ( cDateBuilt ) {
byte[] newC = new byte[DATE_SIZE];
System.arraycopy(cDate, 0, newC, 0, DATE_SIZE);
copy.cDate = newC;
copy.cDateBuilt = true;
}
if ( jDateBuilt ) {
copy.jDate = (Date) jDate.clone();
copy.jDateBuilt = true;
}
return copy;
}
public Date getJDate() {
if ( ! jDateBuilt ) {
jDate = readTime(cDate, 0, getCalendar());
jDateBuilt = true;
}
return jDate;
}
public byte[] getCDate() {
if ( ! cDateBuilt ) {
cDate = writeTime(jDate, getCalendar());
cDateBuilt = true;
}
return cDate;
}
private static Calendar calendar = null;
private static Calendar getCalendar() {
if ( calendar == null ) {
calendar = Calendar.getInstance();
}
return calendar;
}
/**
* Unpack date from 5 byte format. The five bytes at 'offset' are unpacked
* to a java.util.Date instance.
*/
public static Date readTime(byte[] buf, int offset, Calendar time) {
int dw1 = Types.readUByte(buf, offset);
int dw2 = Types.readUByte(buf, offset + 1);
int dw3 = Types.readUByte(buf, offset + 2);
int dw4 = Types.readUByte(buf, offset + 3);
int dw5 = Types.readUByte(buf, offset + 4);
// Unpack 5 byte structure to date and time
int year = (dw1 << 6) | (dw2 >> 2);
int month = ((dw2 & 0x00000003) << 2) | (dw3 >> 6);
int day = (dw3 >> 1) & 0x0000001F;
int hour = ((dw3 & 0x00000001) << 4) | (dw4 >> 4);
int minute = ((dw4 & 0x0000000F) << 2) | (dw5 >> 6);
int second = dw5 & 0x0000003F;
if (time == null) {
time = Calendar.getInstance();
}
// File format is a 1 based month, java Calendar uses a zero based month
// File format is a 1 based day, java Calendar uses a 1 based day
time.set(year, month - 1, day, hour, minute, second);
return time.getTime();
}
public static byte[] writeTime(Date date) {
return writeTime(date, null);
}
public static byte[] writeTime(Date date, Calendar cal) {
if (date == null) {
return null;
}
byte[] buf = new byte[5];
if (cal == null) {
cal = Calendar.getInstance();
}
cal.setTime(date);
int year = cal.get(Calendar.YEAR);
// File format is a 1 based month, java Calendar uses a zero based month
int month = cal.get(Calendar.MONTH) + 1;
// File format is a 0 based day, java Calendar uses a 1 based day
int day = cal.get(Calendar.DAY_OF_MONTH) - 1;
int hour = cal.get(Calendar.HOUR_OF_DAY);
int minute = cal.get(Calendar.MINUTE);
int second = cal.get(Calendar.SECOND);
buf[0] = Types.writeUByte(((year >> 6) & 0x0000003F));
buf[1] = Types.writeUByte(((year & 0x0000003F) << 2)
| ((month >> 2) & 0x00000003));
buf[2] = (byte) (((month & 0x00000003) << 6)
| ((day & 0x0000001F) << 1) | ((hour >> 4) & 0x00000001));
buf[3] = (byte) (((hour & 0x0000000F) << 4) | ((minute >> 2) & 0x0000000F));
buf[4] = (byte) (((minute & 0x00000003) << 6) | (second & 0x0000003F));
return buf;
}
@Override
public boolean equals(Object o) {
if ( this == o ) {
return true;
}
if ( o == null ) {
return false;
}
if ( getClass() != o.getClass() ) {
return false;
}
PwDate date = (PwDate) o;
if ( cDateBuilt && date.cDateBuilt ) {
return Arrays.equals(cDate, date.cDate);
} else if ( jDateBuilt && date.jDateBuilt ) {
return IsSameDate(jDate, date.jDate);
} else if ( cDateBuilt && date.jDateBuilt ) {
return Arrays.equals(date.getCDate(), cDate);
} else {
return IsSameDate(date.getJDate(), jDate);
}
}
public static boolean IsSameDate(Date d1, Date d2) {
Calendar cal1 = Calendar.getInstance();
cal1.setTime(d1);
cal1.set(Calendar.MILLISECOND, 0);
Calendar cal2 = Calendar.getInstance();
cal2.setTime(d2);
cal2.set(Calendar.MILLISECOND, 0);
return (cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)) &&
(cal1.get(Calendar.MONTH) == cal2.get(Calendar.MONTH)) &&
(cal1.get(Calendar.DAY_OF_MONTH) == cal2.get(Calendar.DAY_OF_MONTH)) &&
(cal1.get(Calendar.HOUR) == cal2.get(Calendar.HOUR)) &&
(cal1.get(Calendar.MINUTE) == cal2.get(Calendar.MINUTE)) &&
(cal1.get(Calendar.SECOND) == cal2.get(Calendar.SECOND));
}
}

35
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwDbHeader.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
public abstract class PwDbHeader {
public static final int PWM_DBSIG_1 = 0x9AA2D903;
/** Seed that gets hashed with the userkey to form the final key */
public byte masterSeed[];
/** Used for the dwKeyEncRounds AES transformations */
public byte transformSeed[] = new byte[32];
/** IV used for content encryption */
public byte encryptionIV[] = new byte[16];
}

27
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwDbHeaderFactory.java Normal file
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/*
* Copyright 2011 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
public class PwDbHeaderFactory {
public static PwDbHeader getInstance(PwDatabaseV3 db) {
return new PwDbHeaderV3();
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwDbHeaderV3.java Normal file
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/*
* Copyright 2009-2011 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*
Derived from
KeePass for J2ME
Copyright 2007 Naomaru Itoi <nao@phoneid.org>
This file was derived from
Java clone of KeePass - A KeePass file viewer for Java
Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.keepassdroid.database;
import java.io.IOException;
import com.keepassdroid.stream.LEDataInputStream;
public class PwDbHeaderV3 extends PwDbHeader {
// DB sig from KeePass 1.03
public static final int DBSIG_2 = 0xB54BFB65;
// DB sig from KeePass 1.03
public static final int DBVER_DW = 0x00030003;
public static final int FLAG_SHA2 = 1;
public static final int FLAG_RIJNDAEL = 2;
public static final int FLAG_ARCFOUR = 4;
public static final int FLAG_TWOFISH = 8;
/** Size of byte buffer needed to hold this struct. */
public static final int BUF_SIZE = 124;
public int signature1; // = PWM_DBSIG_1
public int signature2; // = DBSIG_2
public int flags;
public int version;
/** Number of groups in the database */
public int numGroups;
/** Number of entries in the database */
public int numEntries;
/** SHA-256 hash of the database, used for integrity check */
public byte contentsHash[] = new byte[32];
public int numKeyEncRounds;
/**
* Parse given buf, as read from file.
* @param buf
* @throws IOException
*/
public void loadFromFile( byte buf[], int offset ) throws IOException {
signature1 = LEDataInputStream.readInt( buf, offset + 0 );
signature2 = LEDataInputStream.readInt( buf, offset + 4 );
flags = LEDataInputStream.readInt( buf, offset + 8 );
version = LEDataInputStream.readInt( buf, offset + 12 );
System.arraycopy( buf, offset + 16, masterSeed, 0, 16 );
System.arraycopy( buf, offset + 32, encryptionIV, 0, 16 );
numGroups = LEDataInputStream.readInt( buf, offset + 48 );
numEntries = LEDataInputStream.readInt( buf, offset + 52 );
System.arraycopy( buf, offset + 56, contentsHash, 0, 32 );
System.arraycopy( buf, offset + 88, transformSeed, 0, 32 );
numKeyEncRounds = LEDataInputStream.readInt( buf, offset + 120 );
if ( numKeyEncRounds < 0 ) {
// TODO: Really treat this like an unsigned integer
throw new IOException("Does not support more than " + Integer.MAX_VALUE + " rounds.");
}
}
public PwDbHeaderV3() {
masterSeed = new byte[16];
}
public static boolean matchesHeader(int sig1, int sig2) {
return (sig1 == PWM_DBSIG_1) && (sig2 == DBSIG_2);
}
/** Determine if the database version is compatible with this application
* @return true, if it is compatible
*/
public boolean matchesVersion() {
return compatibleHeaders(version, DBVER_DW);
}
public static boolean compatibleHeaders(int one, int two) {
return (one & 0xFFFFFF00) == (two & 0xFFFFFF00);
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwDeletedObject.java Normal file
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/*
* Copyright 2010-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
import java.util.Date;
import java.util.UUID;
public class PwDeletedObject {
public UUID uuid;
private Date deletionTime;
public PwDeletedObject() {
}
public PwDeletedObject(UUID u) {
this(u, new Date());
}
public PwDeletedObject(UUID u, Date d) {
uuid = u;
deletionTime = d;
}
public Date getDeletionTime() {
if ( deletionTime == null ) {
return new Date(System.currentTimeMillis());
}
return deletionTime;
}
public void setDeletionTime(Date date) {
deletionTime = date;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
else if (o == null) {
return false;
}
else if (!(o instanceof PwDeletedObject)) {
return false;
}
PwDeletedObject rhs = (PwDeletedObject) o;
return uuid.equals(rhs.uuid);
}
}

26
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwEncryptionAlgorithm.java Normal file
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
public enum PwEncryptionAlgorithm {
Rjindal,
Twofish;
}

547
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwEntryV3.java Normal file
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/*
* Copyright 2010-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
This file was derived from
Copyright 2007 Naomaru Itoi <nao@phoneid.org>
This file was derived from
Java clone of KeePass - A KeePass file viewer for Java
Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.keepassdroid.database;
// PhoneID
import java.io.UnsupportedEncodingException;
import java.util.Calendar;
import java.util.Date;
import java.util.Random;
import java.util.UUID;
import com.keepassdroid.utils.Types;
/**
* Structure containing information about one entry.
*
* <PRE>
* One entry: [FIELDTYPE(FT)][FIELDSIZE(FS)][FIELDDATA(FD)]
* [FT+FS+(FD)][FT+FS+(FD)][FT+FS+(FD)][FT+FS+(FD)][FT+FS+(FD)]...
*
* [ 2 bytes] FIELDTYPE
* [ 4 bytes] FIELDSIZE, size of FIELDDATA in bytes
* [ n bytes] FIELDDATA, n = FIELDSIZE
*
* Notes:
* - Strings are stored in UTF-8 encoded form and are null-terminated.
* - FIELDTYPE can be one of the FT_ constants.
* </PRE>
*
* @author Naomaru Itoi <nao@phoneid.org>
* @author Bill Zwicky <wrzwicky@pobox.com>
* @author Dominik Reichl <dominik.reichl@t-online.de>
*/
public class PwEntryV3 {
protected static final String PMS_TAN_ENTRY = "<TAN>";
public static PwEntryV3 getInstance(PwGroupV3 parent) {
return PwEntryV3.getInstance(parent, true, true);
}
public static PwEntryV3 getInstance(PwGroupV3 parent, boolean initId, boolean initDates) {
return new PwEntryV3((PwGroupV3)parent);
}
public PwIcon getIcon() {
return icon;
}
public boolean isTan() {
return getTitle().equals(PMS_TAN_ENTRY) && (getUsername().length() > 0);
}
public String getDisplayTitle() {
if ( isTan() ) {
return PMS_TAN_ENTRY + " " + getUsername();
} else {
return getTitle();
}
}
public void touch(boolean modified, boolean touchParents) {
Date now = new Date();
setLastAccessTime(now);
if (modified) {
setLastModificationTime(now);
}
PwGroupV3 parent = getParent();
if (touchParents && parent != null) {
parent.touch(modified, true);
}
}
public void touchLocation() { }
public static final Date NEVER_EXPIRE = getNeverExpire();
public static final Date NEVER_EXPIRE_BUG = getNeverExpireBug();
public static final Date DEFAULT_DATE = getDefaultDate();
public static final PwDate PW_NEVER_EXPIRE = new PwDate(NEVER_EXPIRE);
public static final PwDate PW_NEVER_EXPIRE_BUG = new PwDate(NEVER_EXPIRE_BUG);
public static final PwDate DEFAULT_PWDATE = new PwDate(DEFAULT_DATE);
/** Size of byte buffer needed to hold this struct. */
public static final String PMS_ID_BINDESC = "bin-stream";
public static final String PMS_ID_TITLE = "Meta-Info";
public static final String PMS_ID_USER = "SYSTEM";
public static final String PMS_ID_URL = "$";
public PwIconStandard icon = PwIconStandard.FIRST;
public int groupId;
public String username;
private byte[] password;
private byte[] uuid;
public String title;
public String url;
public String additional;
public PwDate tCreation;
public PwDate tLastMod;
public PwDate tLastAccess;
public PwDate tExpire;
/** A string describing what is in pBinaryData */
public String binaryDesc;
private byte[] binaryData;
private static Date getDefaultDate() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, 2004);
cal.set(Calendar.MONTH, Calendar.JANUARY);
cal.set(Calendar.DAY_OF_MONTH, 1);
cal.set(Calendar.HOUR, 0);
cal.set(Calendar.MINUTE, 0);
cal.set(Calendar.SECOND, 0);
return cal.getTime();
}
private static Date getNeverExpire() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, 2999);
cal.set(Calendar.MONTH, 11);
cal.set(Calendar.DAY_OF_MONTH, 28);
cal.set(Calendar.HOUR, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime();
}
/** This date was was accidentally being written
* out when an entry was supposed to be marked as
* expired. We'll use this to silently correct those
* entries.
* @return
*/
private static Date getNeverExpireBug() {
Calendar cal = Calendar.getInstance();
cal.set(Calendar.YEAR, 2999);
cal.set(Calendar.MONTH, 11);
cal.set(Calendar.DAY_OF_MONTH, 30);
cal.set(Calendar.HOUR, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
return cal.getTime();
}
public static boolean IsNever(Date date) {
return PwDate.IsSameDate(NEVER_EXPIRE, date);
}
// for tree traversing
public PwGroupV3 parent = null;
public PwEntryV3() {
super();
}
/*
public PwEntryV3(PwEntryV3 source) {
assign(source);
}
*/
public PwEntryV3(PwGroupV3 p) {
this(p, true, true);
}
public PwEntryV3(PwGroupV3 p, boolean initId, boolean initDates) {
parent = p;
groupId = ((PwGroupIdV3)parent.getId()).getId();
if (initId) {
Random random = new Random();
uuid = new byte[16];
random.nextBytes(uuid);
}
if (initDates) {
Calendar cal = Calendar.getInstance();
Date now = cal.getTime();
tCreation = new PwDate(now);
tLastAccess = new PwDate(now);
tLastMod = new PwDate(now);
tExpire = new PwDate(NEVER_EXPIRE);
}
}
/**
* @return the actual password byte array.
*/
public String getPassword() {
if (password == null) {
return "";
}
return new String(password);
}
public byte[] getPasswordBytes() {
return password;
}
/**
* fill byte array
*/
private static void fill(byte[] array, byte value)
{
for (int i=0; i<array.length; i++)
array[i] = value;
return;
}
/** Securely erase old password before copying new. */
public void setPassword( byte[] buf, int offset, int len ) {
if( password != null ) {
fill( password, (byte)0 );
password = null;
}
password = new byte[len];
System.arraycopy( buf, offset, password, 0, len );
}
public void setPassword(String pass, PwDatabaseV3 db) {
byte[] password;
try {
password = pass.getBytes("UTF-8");
setPassword(password, 0, password.length);
} catch (UnsupportedEncodingException e) {
assert false;
password = pass.getBytes();
setPassword(password, 0, password.length);
}
}
/**
* @return the actual binaryData byte array.
*/
public byte[] getBinaryData() {
return binaryData;
}
/** Securely erase old data before copying new. */
public void setBinaryData( byte[] buf, int offset, int len ) {
if( binaryData != null ) {
fill( binaryData, (byte)0 );
binaryData = null;
}
binaryData = new byte[len];
System.arraycopy( buf, offset, binaryData, 0, len );
}
// Determine if this is a MetaStream entry
public boolean isMetaStream() {
if ( binaryData == null ) return false;
if ( additional == null || additional.length() == 0 ) return false;
if ( ! binaryDesc.equals(PMS_ID_BINDESC) ) return false;
if ( title == null ) return false;
if ( ! title.equals(PMS_ID_TITLE) ) return false;
if ( username == null ) return false;
if ( ! username.equals(PMS_ID_USER) ) return false;
if ( url == null ) return false;
if ( ! url.equals(PMS_ID_URL)) return false;
if ( !icon.isMetaStreamIcon() ) return false;
return true;
}
private void assign(PwEntryV3 source) {
title = source.title;
url = source.url;
groupId = source.groupId;
username = source.username;
additional = source.additional;
uuid = source.uuid;
int passLen = source.password.length;
password = new byte[passLen];
System.arraycopy(source.password, 0, password, 0, passLen);
tCreation = (PwDate) source.tCreation.clone();
tLastMod = (PwDate) source.tLastMod.clone();
tLastAccess = (PwDate) source.tLastAccess.clone();
tExpire = (PwDate) source.tExpire.clone();
binaryDesc = source.binaryDesc;
if ( source.binaryData != null ) {
int descLen = source.binaryData.length;
binaryData = new byte[descLen];
System.arraycopy(source.binaryData, 0, binaryData, 0, descLen);
}
parent = source.parent;
}
@Override
public Object clone() {
PwEntryV3 newEntry = new PwEntryV3();
if (password != null) {
int passLen = password.length;
password = new byte[passLen];
System.arraycopy(password, 0, newEntry.password, 0, passLen);
}
newEntry.tCreation = (PwDate) tCreation.clone();
newEntry.tLastMod = (PwDate) tLastMod.clone();
newEntry.tLastAccess = (PwDate) tLastAccess.clone();
newEntry.tExpire = (PwDate) tExpire.clone();
newEntry.binaryDesc = binaryDesc;
if ( binaryData != null ) {
int descLen = binaryData.length;
newEntry.binaryData = new byte[descLen];
System.arraycopy(binaryData, 0, newEntry.binaryData, 0, descLen);
}
newEntry.parent = parent;
return newEntry;
}
public Date getLastAccessTime() {
return tLastAccess.getJDate();
}
public Date getCreationTime() {
return tCreation.getJDate();
}
public Date getExpiryTime() {
return tExpire.getJDate();
}
public Date getLastModificationTime() {
return tLastMod.getJDate();
}
public void setCreationTime(Date create) {
tCreation = new PwDate(create);
}
public void setLastModificationTime(Date mod) {
tLastMod = new PwDate(mod);
}
public void setLastAccessTime(Date access) {
tLastAccess = new PwDate(access);
}
public void setExpires(boolean expires) {
if (!expires) {
tExpire = PW_NEVER_EXPIRE;
}
}
public void setExpiryTime(Date expires) {
tExpire = new PwDate(expires);
}
public PwGroupV3 getParent() {
return parent;
}
public UUID getUUID() {
return Types.bytestoUUID(uuid);
}
public void setUUID(UUID u) {
uuid = Types.UUIDtoBytes(u);
}
public String getUsername() {
if (username == null) {
return "";
}
return username;
}
public void setUsername(String user, PwDatabaseV3 db) {
username = user;
}
public String getTitle() {
return title;
}
public void setTitle(String title, PwDatabaseV3 db) {
this.title = title;
}
public String getNotes() {
return additional;
}
public void setNotes(String notes, PwDatabaseV3 db) {
additional = notes;
}
public String getUrl() {
return url;
}
public void setUrl(String url, PwDatabaseV3 db) {
this.url = url;
}
public boolean expires() {
return ! IsNever(tExpire.getJDate());
}
public void populateBlankFields(PwDatabaseV3 db) {
if (icon == null) {
icon = db.iconFactory.getIcon(1);
}
if (username == null) {
username = "";
}
if (password == null) {
password = new byte[0];
}
if (uuid == null) {
uuid = Types.UUIDtoBytes(UUID.randomUUID());
}
if (title == null) {
title = "";
}
if (url == null) {
url = "";
}
if (additional == null) {
additional = "";
}
if (tCreation == null) {
tCreation = DEFAULT_PWDATE;
}
if (tLastMod == null) {
tLastMod = DEFAULT_PWDATE;
}
if (tLastAccess == null) {
tLastAccess = DEFAULT_PWDATE;
}
if (tExpire == null) {
tExpire = PW_NEVER_EXPIRE;
}
if (binaryDesc == null) {
binaryDesc = "";
}
if (binaryData == null) {
binaryData = new byte[0];
}
}
public void setParent(PwGroupV3 parent) {
this.parent = parent;
}
}

5
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwGroupId.java Normal file
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package com.keepassdroid.database;
public abstract class PwGroupId {
}

51
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwGroupIdV3.java Normal file
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/*
* Copyright 2010-2012 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
public class PwGroupIdV3 extends PwGroupId {
private int id;
public PwGroupIdV3(int i) {
id = i;
}
@Override
public boolean equals(Object compare) {
if ( ! (compare instanceof PwGroupIdV3) ) {
return false;
}
PwGroupIdV3 cmp = (PwGroupIdV3) compare;
return id == cmp.id;
}
@Override
public int hashCode() {
Integer i = Integer.valueOf(id);
return i.hashCode();
}
public int getId() {
return id;
}
}

192
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwGroupV3.java Normal file
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/*
* Copyright 2009 Brian Pellin.
This file was derived from
Copyright 2007 Naomaru Itoi <nao@phoneid.org>
This file was derived from
Java clone of KeePass - A KeePass file viewer for Java
Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
import java.security.acl.LastOwnerException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
/**
* @author Brian Pellin <bpellin@gmail.com>
* @author Naomaru Itoi <nao@phoneid.org>
* @author Bill Zwicky <wrzwicky@pobox.com>
* @author Dominik Reichl <dominik.reichl@t-online.de>
*/
public class PwGroupV3 {
public PwGroupV3() {
}
public List<PwGroupV3> childGroups = new ArrayList<PwGroupV3>();
public List<PwEntryV3> childEntries = new ArrayList<PwEntryV3>();
public String name = "";
public PwIconStandard icon;
public PwIcon getIcon() {
return icon;
}
public void super_initNewGroup(String nm, PwGroupId newId) {
setId(newId);
name = nm;
}
public boolean isContainedIn(PwGroupV3 container) {
PwGroupV3 cur = this;
while (cur != null) {
if (cur == container) {
return true;
}
cur = cur.getParent();
}
return false;
}
public void touch(boolean modified, boolean touchParents) {
Date now = new Date();
setLastAccessTime(now);
if (modified) {
setLastModificationTime(now);
}
PwGroupV3 parent = getParent();
if (touchParents && parent != null) {
parent.touch(modified, true);
}
}
public String toString() {
return name;
}
public static final Date NEVER_EXPIRE = PwEntryV3.NEVER_EXPIRE;
/** Size of byte buffer needed to hold this struct. */
public static final int BUF_SIZE = 124;
// for tree traversing
public PwGroupV3 parent = null;
public int groupId;
public PwDate tCreation;
public PwDate tLastMod;
public PwDate tLastAccess;
public PwDate tExpire;
public int level; // short
/** Used by KeePass internally, don't use */
public int flags;
public void setGroups(List<PwGroupV3> groups) {
childGroups = groups;
}
public PwGroupV3 getParent() {
return parent;
}
public PwGroupId getId() {
return new PwGroupIdV3(groupId);
}
public void setId(PwGroupId id) {
PwGroupIdV3 id3 = (PwGroupIdV3) id;
groupId = id3.getId();
}
public String getName() {
return name;
}
public Date getLastMod() {
return tLastMod.getJDate();
}
public void setParent(PwGroupV3 prt) {
parent = (PwGroupV3) prt;
level = parent.level + 1;
}
public void initNewGroup(String nm, PwGroupId newId) {
super_initNewGroup(nm, newId);
Date now = Calendar.getInstance().getTime();
tCreation = new PwDate(now);
tLastAccess = new PwDate(now);
tLastMod = new PwDate(now);
tExpire = new PwDate(PwGroupV3.NEVER_EXPIRE);
}
public void populateBlankFields(PwDatabaseV3 db) {
if (icon == null) {
icon = db.iconFactory.getIcon(1);
}
if (name == null) {
name = "";
}
if (tCreation == null) {
tCreation = PwEntryV3.DEFAULT_PWDATE;
}
if (tLastMod == null) {
tLastMod = PwEntryV3.DEFAULT_PWDATE;
}
if (tLastAccess == null) {
tLastAccess = PwEntryV3.DEFAULT_PWDATE;
}
if (tExpire == null) {
tExpire = PwEntryV3.DEFAULT_PWDATE;
}
}
public void setLastAccessTime(Date date) {
tLastAccess = new PwDate(date);
}
public void setLastModificationTime(Date date) {
tLastMod = new PwDate(date);
}
}

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src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwIcon.java Normal file
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package com.keepassdroid.database;
public abstract class PwIcon {
public boolean isMetaStreamIcon() {
return false;
}
public void writeBytes() {
}
}

58
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwIconFactory.java Normal file
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/*
* Copyright 2010-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
import java.util.UUID;
import org.apache.commons.collections.map.AbstractReferenceMap;
import org.apache.commons.collections.map.ReferenceMap;
public class PwIconFactory {
/** customIconMap
* Cache for icon drawable.
* Keys: Integer, Values: PwIconStandard
*/
private ReferenceMap cache = new ReferenceMap(AbstractReferenceMap.HARD, AbstractReferenceMap.WEAK);
/** standardIconMap
* Cache for icon drawable.
* Keys: UUID, Values: PwIconCustom
*/
private ReferenceMap customCache = new ReferenceMap(AbstractReferenceMap.HARD, AbstractReferenceMap.WEAK);
public PwIconStandard getIcon(int iconId) {
PwIconStandard icon = (PwIconStandard) cache.get(iconId);
if (icon == null) {
if (iconId == 1) {
icon = PwIconStandard.FIRST;
}
else {
icon = new PwIconStandard(iconId);
}
cache.put(iconId, icon);
}
return icon;
}
}

59
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/PwIconStandard.java Normal file
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/*
* Copyright 2010-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database;
public class PwIconStandard extends PwIcon {
public final int iconId;
public static PwIconStandard FIRST = new PwIconStandard(1);
public static final int TRASH_BIN = 43;
public PwIconStandard(int iconId) {
this.iconId = iconId;
}
@Override
public boolean isMetaStreamIcon() {
return iconId == 0;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + iconId;
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PwIconStandard other = (PwIconStandard) obj;
if (iconId != other.iconId)
return false;
return true;
}
}

29
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/ArcFourException.java Normal file
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class ArcFourException extends InvalidDBException {
/**
*
*/
private static final long serialVersionUID = 2103983626687861237L;
}

30
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/InconsistentDBException.java Normal file
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class InconsistentDBException extends Exception {
public InconsistentDBException(String msg) {
super(msg);
}
private static final long serialVersionUID = 4879502365625912291L;
}

32
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/InvalidAlgorithmException.java Normal file
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/*
* Copyright 2012 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class InvalidAlgorithmException extends InvalidDBException {
/**
*
*/
private static final long serialVersionUID = 3062682891863487208L;
public InvalidAlgorithmException() {
super();
}
}

37
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/InvalidDBException.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class InvalidDBException extends Exception {
public InvalidDBException(String str) {
super(str);
}
public InvalidDBException() {
super();
}
/**
*
*/
private static final long serialVersionUID = 5191964825154190923L;
}

32
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/InvalidDBSignatureException.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class InvalidDBSignatureException extends InvalidDBException {
/**
*
*/
private static final long serialVersionUID = -5358923878743513758L;
public InvalidDBSignatureException() {
super();
}
}

32
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/InvalidDBVersionException.java Normal file
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/*
* Copyright 2010 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class InvalidDBVersionException extends InvalidDBException {
/**
*
*/
private static final long serialVersionUID = -4260650987856400586L;
public InvalidDBVersionException() {
super();
}
}

30
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/InvalidKeyFileException.java Normal file
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/*
* Copyright 2009-2012 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/package com.keepassdroid.database.exception;
public class InvalidKeyFileException extends InvalidDBException {
/**
*
*/
private static final long serialVersionUID = 5540694419562294464L;
public InvalidKeyFileException() {
super();
}
}

36
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/InvalidPasswordException.java Normal file
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class InvalidPasswordException extends InvalidDBException {
/**
*
*/
private static final long serialVersionUID = -8729476180242058319L;
public InvalidPasswordException(String str) {
super(str);
}
public InvalidPasswordException() {
super();
}
}

30
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/KeyFileEmptyException.java Normal file
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/*
* Copyright 2012 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/package com.keepassdroid.database.exception;
public class KeyFileEmptyException extends InvalidKeyFileException {
/**
*
*/
private static final long serialVersionUID = -1630780661204212325L;
public KeyFileEmptyException() {
super();
}
}

35
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/PwDbOutputException.java Normal file
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/*
* Copyright 2009-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class PwDbOutputException extends Exception {
public PwDbOutputException(String string) {
super(string);
}
public PwDbOutputException(Exception e) {
super(e);
}
/**
*
*/
private static final long serialVersionUID = 3321212743159473368L;
}

37
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/exception/SamsungClipboardException.java Normal file
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/*
* Copyright 2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.exception;
public class SamsungClipboardException extends Exception {
public SamsungClipboardException(String message) {
super(message);
}
public SamsungClipboardException(Exception e) {
super(e);
}
/**
*
*/
private static final long serialVersionUID = -3168837280393843509L;
}

435
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/load/ImporterV3.java Normal file
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/*
* Copyright 2009-2012 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*
Derived from
KeePass for J2ME
Copyright 2007 Naomaru Itoi <nao@phoneid.org>
This file was derived from
Java clone of KeePass - A KeePass file viewer for Java
Copyright 2006 Bill Zwicky <billzwicky@users.sourceforge.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package com.keepassdroid.database.load;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.security.DigestOutputStream;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.ShortBufferException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import android.util.Log;
import com.keepassdroid.UpdateStatus;
import com.keepassdroid.crypto.CipherFactory;
import com.keepassdroid.database.PwDatabaseV3;
import com.keepassdroid.database.PwDate;
import com.keepassdroid.database.PwDbHeader;
import com.keepassdroid.database.PwDbHeaderV3;
import com.keepassdroid.database.PwEncryptionAlgorithm;
import com.keepassdroid.database.PwEntryV3;
import com.keepassdroid.database.PwGroupV3;
import com.keepassdroid.database.exception.InvalidAlgorithmException;
import com.keepassdroid.database.exception.InvalidDBException;
import com.keepassdroid.database.exception.InvalidDBSignatureException;
import com.keepassdroid.database.exception.InvalidDBVersionException;
import com.keepassdroid.database.exception.InvalidKeyFileException;
import com.keepassdroid.database.exception.InvalidPasswordException;
import com.keepassdroid.stream.LEDataInputStream;
import com.keepassdroid.stream.LEDataOutputStream;
import com.keepassdroid.stream.NullOutputStream;
import com.keepassdroid.utils.Types;
/**
* Load a v3 database file.
*
* @author Naomaru Itoi <nao@phoneid.org>
* @author Bill Zwicky <wrzwicky@pobox.com>
*/
public class ImporterV3 {
public ImporterV3() {
super();
}
protected PwDatabaseV3 createDB() {
return new PwDatabaseV3();
}
/**
* Load a v3 database file, return contents in a new PwDatabaseV3.
*
* @param infile Existing file to load.
* @param password Pass phrase for infile.
* @param pRepair (unused)
* @return new PwDatabaseV3 container.
*
* @throws IOException on any file error.
* @throws InvalidKeyFileException
* @throws InvalidPasswordException
* @throws InvalidPasswordException on a decryption error, or possible internal bug.
* @throws InvalidDBSignatureException
* @throws InvalidDBVersionException
* @throws IllegalBlockSizeException on a decryption error, or possible internal bug.
* @throws BadPaddingException on a decryption error, or possible internal bug.
* @throws NoSuchAlgorithmException on a decryption error, or possible internal bug.
* @throws NoSuchPaddingException on a decryption error, or possible internal bug.
* @throws InvalidAlgorithmParameterException if error decrypting main file body.
* @throws ShortBufferException if error decrypting main file body.
*/
public PwDatabaseV3 openDatabase( InputStream inStream, String password, String keyfile )
throws IOException, InvalidDBException
{
return openDatabase(inStream, password, keyfile, new UpdateStatus());
}
public PwDatabaseV3 openDatabase( InputStream inStream, String password, String keyfile, UpdateStatus status )
throws IOException, InvalidDBException
{
PwDatabaseV3 newManager;
// Load entire file, most of it's encrypted.
int fileSize = inStream.available();
byte[] filebuf = new byte[fileSize + 16]; // Pad with a blocksize (Twofish uses 128 bits), since Android 4.3 tries to write more to the buffer
inStream.read(filebuf, 0, fileSize);
inStream.close();
// Parse header (unencrypted)
if( fileSize < PwDbHeaderV3.BUF_SIZE )
throw new IOException( "File too short for header: "+fileSize+"<"+PwDbHeaderV3.BUF_SIZE );
PwDbHeaderV3 hdr = new PwDbHeaderV3();
hdr.loadFromFile(filebuf, 0 );
if( (hdr.signature1 != PwDbHeader.PWM_DBSIG_1) || (hdr.signature2 != PwDbHeaderV3.DBSIG_2) ) {
throw new InvalidDBSignatureException();
}
if( !hdr.matchesVersion() ) {
throw new InvalidDBVersionException();
}
newManager = createDB();
newManager.setMasterKey( password, keyfile );
// Select algorithm
if( (hdr.flags & PwDbHeaderV3.FLAG_RIJNDAEL) != 0 ) {
newManager.algorithm = PwEncryptionAlgorithm.Rjindal;
} else if( (hdr.flags & PwDbHeaderV3.FLAG_TWOFISH) != 0 ) {
newManager.algorithm = PwEncryptionAlgorithm.Twofish;
} else {
throw new InvalidAlgorithmException();
}
// Copy for testing
newManager.copyHeader(hdr);
newManager.numKeyEncRounds = hdr.numKeyEncRounds;
newManager.name = "KeePass Password Manager";
// Generate transformedMasterKey from masterKey
newManager.makeFinalKey(hdr.masterSeed, hdr.transformSeed, newManager.numKeyEncRounds);
// Initialize Rijndael algorithm
Cipher cipher;
try {
if ( newManager.algorithm == PwEncryptionAlgorithm.Rjindal ) {
cipher = CipherFactory.getInstance("AES/CBC/PKCS5Padding");
} else if ( newManager.algorithm == PwEncryptionAlgorithm.Twofish ) {
cipher = CipherFactory.getInstance("TWOFISH/CBC/PKCS7PADDING");
} else {
throw new IOException( "Encryption algorithm is not supported" );
}
} catch (NoSuchAlgorithmException e1) {
throw new IOException("No such algorithm");
} catch (NoSuchPaddingException e1) {
throw new IOException("No such pdading");
}
try {
cipher.init( Cipher.DECRYPT_MODE, new SecretKeySpec( newManager.finalKey, "AES" ), new IvParameterSpec( hdr.encryptionIV ) );
} catch (InvalidKeyException e1) {
throw new IOException("Invalid key");
} catch (InvalidAlgorithmParameterException e1) {
throw new IOException("Invalid algorithm parameter.");
}
// Decrypt! The first bytes aren't encrypted (that's the header)
int encryptedPartSize;
try {
encryptedPartSize = cipher.doFinal(filebuf, PwDbHeaderV3.BUF_SIZE, fileSize - PwDbHeaderV3.BUF_SIZE, filebuf, PwDbHeaderV3.BUF_SIZE );
} catch (ShortBufferException e1) {
throw new IOException("Buffer too short");
} catch (IllegalBlockSizeException e1) {
throw new IOException("Invalid block size");
} catch (BadPaddingException e1) {
throw new InvalidPasswordException();
}
// Copy decrypted data for testing
newManager.copyEncrypted(filebuf, PwDbHeaderV3.BUF_SIZE, encryptedPartSize);
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
throw new IOException("No SHA-256 algorithm");
}
NullOutputStream nos = new NullOutputStream();
DigestOutputStream dos = new DigestOutputStream(nos, md);
dos.write(filebuf, PwDbHeaderV3.BUF_SIZE, encryptedPartSize);
dos.close();
byte[] hash = md.digest();
if( ! Arrays.equals(hash, hdr.contentsHash) ) {
Log.w("KeePassDroid","Database file did not decrypt correctly. (checksum code is broken)");
throw new InvalidPasswordException();
}
// Import all groups
int pos = PwDbHeaderV3.BUF_SIZE;
PwGroupV3 newGrp = new PwGroupV3();
for( int i = 0; i < hdr.numGroups; ) {
int fieldType = LEDataInputStream.readUShort( filebuf, pos );
pos += 2;
int fieldSize = LEDataInputStream.readInt( filebuf, pos );
pos += 4;
if( fieldType == 0xFFFF ) {
// End-Group record. Save group and count it.
newGrp.populateBlankFields(newManager);
newManager.groups.add(newGrp);
newGrp = new PwGroupV3();
i++;
}
else {
readGroupField(newManager, newGrp, fieldType, filebuf, pos);
}
pos += fieldSize;
}
// Import all entries
PwEntryV3 newEnt = new PwEntryV3();
for( int i = 0; i < hdr.numEntries; ) {
int fieldType = LEDataInputStream.readUShort( filebuf, pos );
int fieldSize = LEDataInputStream.readInt( filebuf, pos + 2 );
if( fieldType == 0xFFFF ) {
// End-Group record. Save group and count it.
newEnt.populateBlankFields(newManager);
newManager.entries.add(newEnt);
newEnt = new PwEntryV3();
i++;
}
else {
readEntryField(newManager, newEnt, filebuf, pos);
}
pos += 2 + 4 + fieldSize;
}
newManager.constructTree(null);
return newManager;
}
/**
* KeePass's custom pad style.
*
* @param data buffer to pad.
* @return addtional bytes to append to data[] to make
* a properly padded array.
*/
public static byte[] makePad( byte[] data ) {
//custom pad method
// append 0x80 plus zeros to a multiple of 4 bytes
int thisblk = 32 - data.length % 32; // bytes needed to finish blk
int nextblk = 0; // 32 if we need another block
// need 9 bytes; add new block if no room
if( thisblk < 9 ) {
nextblk = 32;
}
// all bytes are zeroed for free
byte[] pad = new byte[ thisblk + nextblk ];
pad[0] = (byte)0x80;
// write length*8 to end of final block
int ix = thisblk + nextblk - 8;
LEDataOutputStream.writeInt( data.length>>29, pad, ix );
bsw32( pad, ix );
ix += 4;
LEDataOutputStream.writeInt( data.length<<3, pad, ix );
bsw32( pad, ix );
return pad;
}
public static void bsw32( byte[] ary, int offset ) {
byte t = ary[offset];
ary[offset] = ary[offset+3];
ary[offset+3] = t;
t = ary[offset+1];
ary[offset+1] = ary[offset+2];
ary[offset+2] = t;
}
/**
* Parse and save one record from binary file.
* @param buf
* @param offset
* @return If >0,
* @throws UnsupportedEncodingException
*/
void readGroupField(PwDatabaseV3 db, PwGroupV3 grp, int fieldType, byte[] buf, int offset) throws UnsupportedEncodingException {
switch( fieldType ) {
case 0x0000 :
// Ignore field
break;
case 0x0001 :
grp.groupId = LEDataInputStream.readInt(buf, offset);
break;
case 0x0002 :
grp.name = Types.readCString(buf, offset);
break;
case 0x0003 :
grp.tCreation = new PwDate(buf, offset);
break;
case 0x0004 :
grp.tLastMod = new PwDate(buf, offset);
break;
case 0x0005 :
grp.tLastAccess = new PwDate(buf, offset);
break;
case 0x0006 :
grp.tExpire = new PwDate(buf, offset);
break;
case 0x0007 :
grp.icon = db.iconFactory.getIcon(LEDataInputStream.readInt(buf, offset));
break;
case 0x0008 :
grp.level = LEDataInputStream.readUShort(buf, offset);
break;
case 0x0009 :
grp.flags = LEDataInputStream.readInt(buf, offset);
break;
}
}
void readEntryField(PwDatabaseV3 db, PwEntryV3 ent, byte[] buf, int offset)
throws UnsupportedEncodingException
{
int fieldType = LEDataInputStream.readUShort(buf, offset);
offset += 2;
int fieldSize = LEDataInputStream.readInt(buf, offset);
offset += 4;
switch( fieldType ) {
case 0x0000 :
// Ignore field
break;
case 0x0001 :
ent.setUUID(Types.bytestoUUID(buf, offset));
break;
case 0x0002 :
ent.groupId = LEDataInputStream.readInt(buf, offset);
break;
case 0x0003 :
int iconId = LEDataInputStream.readInt(buf, offset);
// Clean up after bug that set icon ids to -1
if (iconId == -1) {
iconId = 0;
}
ent.icon = db.iconFactory.getIcon(iconId);
break;
case 0x0004 :
ent.title = Types.readCString(buf, offset);
break;
case 0x0005 :
ent.url = Types.readCString(buf, offset);
break;
case 0x0006 :
ent.username = Types.readCString(buf, offset);
break;
case 0x0007 :
ent.setPassword(buf, offset, Types.strlen(buf, offset));
break;
case 0x0008 :
ent.additional = Types.readCString(buf, offset);
break;
case 0x0009 :
ent.tCreation = new PwDate(buf, offset);
break;
case 0x000A :
ent.tLastMod = new PwDate(buf, offset);
break;
case 0x000B :
ent.tLastAccess = new PwDate(buf, offset);
break;
case 0x000C :
ent.tExpire = new PwDate(buf, offset);
break;
case 0x000D :
ent.binaryDesc = Types.readCString(buf, offset);
break;
case 0x000E :
ent.setBinaryData(buf, offset, fieldSize);
break;
}
}
}

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/*
* Copyright 2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.save;
public class PwDbHeaderOutput {
protected byte[] hashOfHeader = null;
public byte[] getHashOfHeader() { return hashOfHeader; }
}

56
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.save;
import java.io.IOException;
import java.io.OutputStream;
import com.keepassdroid.database.PwDbHeaderV3;
import com.keepassdroid.stream.LEDataOutputStream;
public class PwDbHeaderOutputV3 {
private PwDbHeaderV3 mHeader;
private OutputStream mOS;
public PwDbHeaderOutputV3(PwDbHeaderV3 header, OutputStream os) {
mHeader = header;
mOS = os;
}
public void output() throws IOException {
mOS.write(LEDataOutputStream.writeIntBuf(mHeader.signature1));
mOS.write(LEDataOutputStream.writeIntBuf(mHeader.signature2));
mOS.write(LEDataOutputStream.writeIntBuf(mHeader.flags));
mOS.write(LEDataOutputStream.writeIntBuf(mHeader.version));
mOS.write(mHeader.masterSeed);
mOS.write(mHeader.encryptionIV);
mOS.write(LEDataOutputStream.writeIntBuf(mHeader.numGroups));
mOS.write(LEDataOutputStream.writeIntBuf(mHeader.numEntries));
mOS.write(mHeader.contentsHash);
mOS.write(mHeader.transformSeed);
mOS.write(LEDataOutputStream.writeIntBuf(mHeader.numKeyEncRounds));
}
public void close() throws IOException {
mOS.close();
}
}

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/*
* Copyright 2010-2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.save;
import java.io.OutputStream;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import com.keepassdroid.database.PwDatabaseV3;
import com.keepassdroid.database.PwDbHeader;
import com.keepassdroid.database.exception.PwDbOutputException;
public abstract class PwDbOutput {
protected OutputStream mOS;
public static PwDbOutput getInstance(PwDatabaseV3 pm, OutputStream os) {
if ( pm instanceof PwDatabaseV3 ) {
return new PwDbV3Output((PwDatabaseV3)pm, os);
}
return null;
}
protected PwDbOutput(OutputStream os) {
mOS = os;
}
protected SecureRandom setIVs(PwDbHeader header) throws PwDbOutputException {
SecureRandom random;
try {
random = SecureRandom.getInstance("SHA1PRNG");
} catch (NoSuchAlgorithmException e) {
throw new PwDbOutputException("Does not support secure random number generation.");
}
random.nextBytes(header.encryptionIV);
random.nextBytes(header.masterSeed);
random.nextBytes(header.transformSeed);
return random;
}
public abstract void output() throws PwDbOutputException;
public abstract PwDbHeader outputHeader(OutputStream os) throws PwDbOutputException;
}

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/*
` * Copyright 2009-2011 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.save;
import java.io.BufferedOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.security.DigestOutputStream;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import javax.crypto.Cipher;
import javax.crypto.CipherOutputStream;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import com.keepassdroid.crypto.CipherFactory;
import com.keepassdroid.database.PwDatabaseV3;
import com.keepassdroid.database.PwDbHeader;
import com.keepassdroid.database.PwDbHeaderV3;
import com.keepassdroid.database.PwEncryptionAlgorithm;
import com.keepassdroid.database.PwEntryV3;
import com.keepassdroid.database.PwGroupV3;
import com.keepassdroid.database.exception.PwDbOutputException;
import com.keepassdroid.stream.NullOutputStream;
public class PwDbV3Output extends PwDbOutput {
private PwDatabaseV3 mPM;
public PwDbV3Output(PwDatabaseV3 pm, OutputStream os) {
super(os);
mPM = pm;
}
public byte[] getFinalKey(PwDbHeader header) throws PwDbOutputException {
try {
mPM.makeFinalKey(header.masterSeed, header.transformSeed, mPM.numKeyEncRounds);
return mPM.finalKey;
} catch (IOException e) {
throw new PwDbOutputException("Key creation failed: " + e.getMessage());
}
}
@Override
public void output() throws PwDbOutputException {
prepForOutput();
PwDbHeader header = outputHeader(mOS);
byte[] finalKey = getFinalKey(header);
Cipher cipher;
try {
if (mPM.algorithm == PwEncryptionAlgorithm.Rjindal) {
cipher = CipherFactory.getInstance("AES/CBC/PKCS5Padding");
} else if (mPM.algorithm == PwEncryptionAlgorithm.Twofish){
cipher = CipherFactory.getInstance("TWOFISH/CBC/PKCS7PADDING");
} else {
throw new Exception();
}
} catch (Exception e) {
throw new PwDbOutputException("Algorithm not supported.");
}
try {
cipher.init( Cipher.ENCRYPT_MODE, new SecretKeySpec(finalKey, "AES" ), new IvParameterSpec(header.encryptionIV) );
CipherOutputStream cos = new CipherOutputStream(mOS, cipher);
BufferedOutputStream bos = new BufferedOutputStream(cos);
outputPlanGroupAndEntries(bos);
bos.flush();
bos.close();
} catch (InvalidKeyException e) {
throw new PwDbOutputException("Invalid key");
} catch (InvalidAlgorithmParameterException e) {
throw new PwDbOutputException("Invalid algorithm parameter.");
} catch (IOException e) {
throw new PwDbOutputException("Failed to output final encrypted part.");
}
}
private void prepForOutput() {
// Before we output the header, we should sort our list of groups and remove any orphaned nodes that are no longer part of the group hierarchy
sortGroupsForOutput();
}
public PwDbHeader outputHeader(OutputStream os) throws PwDbOutputException {
// Build header
PwDbHeaderV3 header = new PwDbHeaderV3();
header.signature1 = PwDbHeader.PWM_DBSIG_1;
header.signature2 = PwDbHeaderV3.DBSIG_2;
header.flags = PwDbHeaderV3.FLAG_SHA2;
if ( mPM.getEncAlgorithm() == PwEncryptionAlgorithm.Rjindal ) {
header.flags |= PwDbHeaderV3.FLAG_RIJNDAEL;
} else if ( mPM.getEncAlgorithm() == PwEncryptionAlgorithm.Twofish ) {
header.flags |= PwDbHeaderV3.FLAG_TWOFISH;
} else {
throw new PwDbOutputException("Unsupported algorithm.");
}
header.version = PwDbHeaderV3.DBVER_DW;
header.numGroups = mPM.getGroups().size();
header.numEntries = mPM.entries.size();
header.numKeyEncRounds = mPM.getNumKeyEncRecords();
setIVs(header);
// Write checksum Checksum
MessageDigest md = null;
try {
md = MessageDigest.getInstance("SHA-256");
} catch (NoSuchAlgorithmException e) {
throw new PwDbOutputException("SHA-256 not implemented here.");
}
NullOutputStream nos;
nos = new NullOutputStream();
DigestOutputStream dos = new DigestOutputStream(nos, md);
BufferedOutputStream bos = new BufferedOutputStream(dos);
try {
outputPlanGroupAndEntries(bos);
bos.flush();
bos.close();
} catch (IOException e) {
throw new PwDbOutputException("Failed to generate checksum.");
}
header.contentsHash = md.digest();
// Output header
PwDbHeaderOutputV3 pho = new PwDbHeaderOutputV3(header, os);
try {
pho.output();
} catch (IOException e) {
throw new PwDbOutputException("Failed to output the header.");
}
return header;
}
public void outputPlanGroupAndEntries(OutputStream os) throws PwDbOutputException {
//long size = 0;
// Groups
List<PwGroupV3> groups = mPM.getGroups();
for ( int i = 0; i < groups.size(); i++ ) {
PwGroupV3 pg = (PwGroupV3) groups.get(i);
PwGroupOutputV3 pgo = new PwGroupOutputV3(pg, os);
try {
pgo.output();
} catch (IOException e) {
throw new PwDbOutputException("Failed to output a group: " + e.getMessage());
}
}
// Entries
for (int i = 0; i < mPM.entries.size(); i++ ) {
PwEntryV3 pe = (PwEntryV3) mPM.entries.get(i);
PwEntryOutputV3 peo = new PwEntryOutputV3(pe, os);
try {
peo.output();
} catch (IOException e) {
throw new PwDbOutputException("Failed to output an entry.");
}
}
}
private void sortGroupsForOutput() {
List<PwGroupV3> groupList = new ArrayList<PwGroupV3>();
// Rebuild list according to coalation sorting order removing any orphaned groups
List<PwGroupV3> roots = mPM.getGrpRoots();
for ( int i = 0; i < roots.size(); i++ ) {
sortGroup((PwGroupV3) roots.get(i), groupList);
}
mPM.setGroups(groupList);
}
private void sortGroup(PwGroupV3 group, List<PwGroupV3> groupList) {
// Add current group
groupList.add(group);
// Recurse over children
for ( int i = 0; i < group.childGroups.size(); i++ ) {
sortGroup((PwGroupV3) group.childGroups.get(i), groupList);
}
}
}

177
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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.save;
import java.io.IOException;
import java.io.OutputStream;
import com.keepassdroid.database.PwEntryV3;
import com.keepassdroid.stream.LEDataOutputStream;
import com.keepassdroid.utils.Types;
public class PwEntryOutputV3 {
// Constants
public static final byte[] UUID_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(1);
public static final byte[] GROUPID_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(2);
public static final byte[] IMAGEID_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(3);
public static final byte[] TITLE_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(4);
public static final byte[] URL_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(5);
public static final byte[] USERNAME_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(6);
public static final byte[] PASSWORD_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(7);
public static final byte[] ADDITIONAL_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(8);
public static final byte[] CREATE_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(9);
public static final byte[] MOD_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(10);
public static final byte[] ACCESS_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(11);
public static final byte[] EXPIRE_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(12);
public static final byte[] BINARY_DESC_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(13);
public static final byte[] BINARY_DATA_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(14);
public static final byte[] END_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(0xFFFF);
public static final byte[] LONG_FOUR = LEDataOutputStream.writeIntBuf(4);
public static final byte[] UUID_FIELD_SIZE = LEDataOutputStream.writeIntBuf(16);
public static final byte[] DATE_FIELD_SIZE = LEDataOutputStream.writeIntBuf(5);
public static final byte[] IMAGEID_FIELD_SIZE = LONG_FOUR;
public static final byte[] LEVEL_FIELD_SIZE = LONG_FOUR;
public static final byte[] FLAGS_FIELD_SIZE = LONG_FOUR;
public static final byte[] ZERO_FIELD_SIZE = LEDataOutputStream.writeIntBuf(0);
public static final byte[] ZERO_FIVE = {0x00, 0x00, 0x00, 0x00, 0x00};
public static final byte[] TEST = {0x33, 0x33, 0x33, 0x33};
private OutputStream mOS;
private PwEntryV3 mPE;
private long outputBytes = 0;
/** Output the PwGroupV3 to the stream
* @param pe
* @param os
*/
public PwEntryOutputV3(PwEntryV3 pe, OutputStream os) {
mPE = pe;
mOS = os;
}
//NOTE: Need be to careful about using ints. The actual type written to file is a unsigned int
public void output() throws IOException {
outputBytes += 134; // Length of fixed size fields
// UUID
mOS.write(UUID_FIELD_TYPE);
mOS.write(UUID_FIELD_SIZE);
mOS.write(Types.UUIDtoBytes(mPE.getUUID()));
// Group ID
mOS.write(GROUPID_FIELD_TYPE);
mOS.write(LONG_FOUR);
mOS.write(LEDataOutputStream.writeIntBuf(mPE.groupId));
// Image ID
mOS.write(IMAGEID_FIELD_TYPE);
mOS.write(LONG_FOUR);
mOS.write(LEDataOutputStream.writeIntBuf(mPE.icon.iconId));
// Title
//byte[] title = mPE.title.getBytes("UTF-8");
mOS.write(TITLE_FIELD_TYPE);
int titleLen = Types.writeCString(mPE.title, mOS);
outputBytes += titleLen;
// URL
mOS.write(URL_FIELD_TYPE);
int urlLen = Types.writeCString(mPE.url, mOS);
outputBytes += urlLen;
// Username
mOS.write(USERNAME_FIELD_TYPE);
int userLen = Types.writeCString(mPE.username, mOS);
outputBytes += userLen;
// Password
byte[] password = mPE.getPasswordBytes();
mOS.write(PASSWORD_FIELD_TYPE);
mOS.write(LEDataOutputStream.writeIntBuf(password.length+1));
mOS.write(password);
mOS.write(0);
outputBytes += password.length + 1;
// Additional
mOS.write(ADDITIONAL_FIELD_TYPE);
int addlLen = Types.writeCString(mPE.additional, mOS);
outputBytes += addlLen;
// Create date
writeDate(CREATE_FIELD_TYPE, mPE.tCreation.getCDate());
// Modification date
writeDate(MOD_FIELD_TYPE, mPE.tLastMod.getCDate());
// Access date
writeDate(ACCESS_FIELD_TYPE, mPE.tLastAccess.getCDate());
// Expiration date
writeDate(EXPIRE_FIELD_TYPE, mPE.tExpire.getCDate());
// Binary desc
mOS.write(BINARY_DESC_FIELD_TYPE);
int descLen = Types.writeCString(mPE.binaryDesc, mOS);
outputBytes += descLen;
// Binary data
int dataLen = writeByteArray(mPE.getBinaryData());
outputBytes += dataLen;
// End
mOS.write(END_FIELD_TYPE);
mOS.write(ZERO_FIELD_SIZE);
}
private int writeByteArray(byte[] data) throws IOException {
int dataLen;
if ( data != null ) {
dataLen = data.length;
} else {
dataLen = 0;
}
mOS.write(BINARY_DATA_FIELD_TYPE);
mOS.write(LEDataOutputStream.writeIntBuf(dataLen));
if ( data != null ) {
mOS.write(data);
}
return dataLen;
}
private void writeDate(byte[] type, byte[] date) throws IOException {
mOS.write(type);
mOS.write(DATE_FIELD_SIZE);
if ( date != null ) {
mOS.write(date);
} else {
mOS.write(ZERO_FIVE);
}
}
/** Returns the number of bytes written by the stream
* @return Number of bytes written
*/
public long getLength() {
return outputBytes;
}
}

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/*
* Copyright 2009 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.save;
import java.io.IOException;
import java.io.OutputStream;
import com.keepassdroid.database.PwGroupV3;
import com.keepassdroid.stream.LEDataOutputStream;
import com.keepassdroid.utils.Types;
public class PwGroupOutputV3 {
// Constants
public static final byte[] GROUPID_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(1);
public static final byte[] NAME_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(2);
public static final byte[] CREATE_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(3);
public static final byte[] MOD_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(4);
public static final byte[] ACCESS_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(5);
public static final byte[] EXPIRE_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(6);
public static final byte[] IMAGEID_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(7);
public static final byte[] LEVEL_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(8);
public static final byte[] FLAGS_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(9);
public static final byte[] END_FIELD_TYPE = LEDataOutputStream.writeUShortBuf(0xFFFF);
public static final byte[] LONG_FOUR = LEDataOutputStream.writeIntBuf(4);
public static final byte[] GROUPID_FIELD_SIZE = LONG_FOUR;
public static final byte[] DATE_FIELD_SIZE = LEDataOutputStream.writeIntBuf(5);
public static final byte[] IMAGEID_FIELD_SIZE = LONG_FOUR;
public static final byte[] LEVEL_FIELD_SIZE = LEDataOutputStream.writeIntBuf(2);
public static final byte[] FLAGS_FIELD_SIZE = LONG_FOUR;
public static final byte[] ZERO_FIELD_SIZE = LEDataOutputStream.writeIntBuf(0);
private OutputStream mOS;
private PwGroupV3 mPG;
/** Output the PwGroupV3 to the stream
* @param pg
* @param os
*/
public PwGroupOutputV3(PwGroupV3 pg, OutputStream os) {
mPG = pg;
mOS = os;
}
public void output() throws IOException {
//NOTE: Need be to careful about using ints. The actual type written to file is a unsigned int, but most values can't be greater than 2^31, so it probably doesn't matter.
// Group ID
mOS.write(GROUPID_FIELD_TYPE);
mOS.write(GROUPID_FIELD_SIZE);
mOS.write(LEDataOutputStream.writeIntBuf(mPG.groupId));
// Name
mOS.write(NAME_FIELD_TYPE);
Types.writeCString(mPG.name, mOS);
// Create date
mOS.write(CREATE_FIELD_TYPE);
mOS.write(DATE_FIELD_SIZE);
mOS.write(mPG.tCreation.getCDate());
// Modification date
mOS.write(MOD_FIELD_TYPE);
mOS.write(DATE_FIELD_SIZE);
mOS.write(mPG.tLastMod.getCDate());
// Access date
mOS.write(ACCESS_FIELD_TYPE);
mOS.write(DATE_FIELD_SIZE);
mOS.write(mPG.tLastAccess.getCDate());
// Expiration date
mOS.write(EXPIRE_FIELD_TYPE);
mOS.write(DATE_FIELD_SIZE);
mOS.write(mPG.tExpire.getCDate());
// Image ID
mOS.write(IMAGEID_FIELD_TYPE);
mOS.write(IMAGEID_FIELD_SIZE);
mOS.write(LEDataOutputStream.writeIntBuf(mPG.icon.iconId));
// Level
mOS.write(LEVEL_FIELD_TYPE);
mOS.write(LEVEL_FIELD_SIZE);
mOS.write(LEDataOutputStream.writeUShortBuf(mPG.level));
// Flags
mOS.write(FLAGS_FIELD_TYPE);
mOS.write(FLAGS_FIELD_SIZE);
mOS.write(LEDataOutputStream.writeIntBuf(mPG.flags));
// End
mOS.write(END_FIELD_TYPE);
mOS.write(ZERO_FIELD_SIZE);
}
}

65
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/security/ProtectedBinary.java Normal file
View File

@ -0,0 +1,65 @@
/*
* Copyright 2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.security;
import java.util.Arrays;
public class ProtectedBinary {
public final static ProtectedBinary EMPTY = new ProtectedBinary();
private byte[] data;
private boolean protect;
public boolean isProtected() {
return protect;
}
public int length() {
if (data == null) {
return 0;
}
return data.length;
}
public ProtectedBinary() {
this(false, new byte[0]);
}
public ProtectedBinary(boolean enableProtection, byte[] data) {
protect = enableProtection;
this.data = data;
}
// TODO: replace the byte[] with something like ByteBuffer to make the return
// value immutable, so we don't have to worry about making deep copies
public byte[] getData() {
return data;
}
public boolean equals(ProtectedBinary rhs) {
return (protect == rhs.protect) && Arrays.equals(data, rhs.data);
}
}

54
src/java/KP2AKdbLibrary/src/com/keepassdroid/database/security/ProtectedString.java Normal file
View File

@ -0,0 +1,54 @@
/*
* Copyright 2013 Brian Pellin.
*
* This file is part of KeePassDroid.
*
* KeePassDroid is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* KeePassDroid is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KeePassDroid. If not, see <http://www.gnu.org/licenses/>.
*
*/
package com.keepassdroid.database.security;
public class ProtectedString {
private String string;
private boolean protect;
public boolean isProtected() {
return protect;
}
public int length() {
if (string == null) {
return 0;
}
return string.length();
}
public ProtectedString() {
this(false, "");
}
public ProtectedString(boolean enableProtection, String string) {
protect = enableProtection;
this.string = string;
}
public String toString() {
return string;
}
}

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