first version of MasterPasswordAlgorithm ported to .net

2014-07-12 06:20:56 +02:00 · 2014-07-12 06:20:56 +02:00 · 2e56a007fc
parent 4fae385cc1
commit 2e56a007fc
11 changed files with 580 additions and 0 deletions
--- a/src/MPTest/MPTest.csproj
+++ b/src/MPTest/MPTest.csproj
@ -0,0 +1,72 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{96A3EA5A-7024-479F-A5B1-06654D0867A3}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>MPTest</RootNamespace>
+    <AssemblyName>MPTest</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
+      <SpecificVersion>False</SpecificVersion>
+      <HintPath>..\..\..\..\..\..\..\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\PublicAssemblies\Microsoft.VisualStudio.QualityTools.UnitTestFramework.dll</HintPath>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Main.cs" />
+    <Compile Include="MpTest.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\MasterPassword\MasterPassword.csproj">
+      <Project>{2f7cb5b4-ac2a-4790-b0f3-42e6c9a060d5}</Project>
+      <Name>MasterPassword</Name>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.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>
--- a/src/MPTest/Main.cs
+++ b/src/MPTest/Main.cs
@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MPTest
+{
+	class Program
+	{
+		static int Main()
+		{
+			return 0;
+		}
+	}
+}
--- a/src/MPTest/MpTest.cs
+++ b/src/MPTest/MpTest.cs
@ -0,0 +1,69 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using MasterPassword;
+using Microsoft.VisualStudio.TestTools.UnitTesting;
+namespace MPTest
+{
+
+	[TestClass()]
+	public class MpAlgorithmTests
+	{
+		private static byte[] HashHMAC(byte[] key, byte[] message)
+		{
+			var hash = new HMACSHA256(key);
+			return hash.ComputeHash(message);
+		}
+
+		[TestMethod()]
+		public void GenerateKeyTest()
+		{
+			sbyte[] expectedRes =
+				{
+					-103, 59, -64, -27, 39, -62, 10, -76, -24, -28, -111, -75, 13, -128, -80, -101, 39, 41, -98, -22,
+					-42, 61, -75, 38, -107, -40, 111, 61, 108, 63, 60, 82, 92, -39, 72, 14, 14, -26, 93, 67, 83, 25, -32, 5, 32, 102,
+					-126, 24, 15, 65, 9, 17, 0, 123, 91, 105, -46, -99, -64, 123, -12, 80, -37, -77
+				};
+			var result = MpAlgorithm.GetKeyForPassword("u", "test");
+			
+			Assert.IsTrue(expectedRes.SequenceEqual(result));
+			
+		}
+		[TestMethod]
+		public void GenerateContentTest()
+		{
+			var key = MpAlgorithm.GetKeyForPassword("u", "test");
+			string password = MpAlgorithm.GenerateContent("Long Password", "strn", key, 1, HashHMAC);
+			Assert.AreEqual("LapdKebv2_Tele", password);
+		}
+
+		[TestMethod]
+		public void GenerateContentWithUmlautsTest()
+		{
+			var key = MpAlgorithm.GetKeyForPassword("uÜ", "testÖ");
+			string password = MpAlgorithm.GenerateContent("Long Password", "strnÄ", key, 1, HashHMAC);
+			Assert.AreEqual("YepiHedo1*Kada", password);
+		}
+
+		[TestMethod]
+		public void GenerateContentWithUmlautsAndCounterTest()
+		{
+			var key = MpAlgorithm.GetKeyForPassword("uÜ", "testÖ");
+			string password = MpAlgorithm.GenerateContent("Long Password", "strnÄ", key, 42, HashHMAC);
+			Assert.AreEqual("Gasc3!YeluMoqb", password);
+		}
+
+		[TestMethod]
+		public void GetKeyWithUmlautsTest()
+		{
+			var key = MpAlgorithm.GetKeyForPassword("uÜ", "testÖ");
+			sbyte[] expected =
+				{
+					-53, -69, -89, 48, 122, 56, 34, 13, -70, -103, 102, 90, -96, -75, 45, 68, 43, 67, 97, 60, 84, -90, 98, -95, -2, -2, 99, -60, -121, -2, -26, -45, 53, -31, 47, 0, -46, -97, 77, -41, 63, -15, -30, 60, 4, -120, 32, 122, -94, 42, 122, -103, -61, -115, 75, -123, -15, 47, 61, -100, -119, 115, 118, 82
+				};
+			Assert.IsTrue(expected.SequenceEqual(key));
+		}
+	}
+}
--- a/src/MPTest/Properties/AssemblyInfo.cs
+++ b/src/MPTest/Properties/AssemblyInfo.cs
@ -0,0 +1,36 @@
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über die folgenden 
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die mit einer Assembly verknüpft sind.
+[assembly: AssemblyTitle("MPTest")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("MPTest")]
+[assembly: AssemblyCopyright("Copyright ©  2014")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Durch Festlegen von ComVisible auf "false" werden die Typen in dieser Assembly unsichtbar 
+// für COM-Komponenten. Wenn Sie auf einen Typ in dieser Assembly von 
+// COM zugreifen müssen, legen Sie das ComVisible-Attribut für diesen Typ auf "true" fest.
+[assembly: ComVisible(false)]
+
+// Die folgende GUID bestimmt die ID der Typbibliothek, wenn dieses Projekt für COM verfügbar gemacht wird
+[assembly: Guid("5fbae881-f9e4-4aa1-adff-4721cad61250")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion 
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
+// übernehmen, indem Sie "*" eingeben:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
--- a/src/MPTest/app.config
+++ b/src/MPTest/app.config
@ -0,0 +1,3 @@
+<?xml version="1.0"?>
+<configuration>
+<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>
--- a/src/MasterPassword/MasterPassword.csproj
+++ b/src/MasterPassword/MasterPassword.csproj
@ -0,0 +1,57 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <MinimumVisualStudioVersion>11.0</MinimumVisualStudioVersion>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{2F7CB5B4-AC2A-4790-B0F3-42E6C9A060D5}</ProjectGuid>
+    <OutputType>Library</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>MasterPassword</RootNamespace>
+    <AssemblyName>MasterPassword</AssemblyName>
+    <TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
+    <TargetFrameworkProfile>Profile7</TargetFrameworkProfile>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{786C830F-07A1-408B-BD7F-6EE04809D6DB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(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)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Compile Include="MPAlgorithm.cs" />
+    <Compile Include="MpPasswordPlistData.cs" />
+    <Compile Include="PList.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="CryptSharp">
+      <HintPath>..\packages\CryptSharpOfficial.2.0.0.0\lib\CryptSharp.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="packages.config" />
+  </ItemGroup>
+  <Import Project="$(MSBuildExtensionsPath32)\Microsoft\Portable\$(TargetFrameworkVersion)\Microsoft.Portable.CSharp.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>
--- a/src/MasterPassword/MpAlgorithm.cs
+++ b/src/MasterPassword/MpAlgorithm.cs
@ -0,0 +1,120 @@
+using System;
+using System.Linq;
+using System.Text;
+using CryptSharp.Utility;
+using MasterPassword.Data;
+
+
+namespace MasterPassword
+{
+	public partial class MpAlgorithm
+    {
+	    
+		static readonly PList PlistData = new PList(plist);
+		private const int MP_N         = 32768;
+		private const int MP_r         = 8;
+		private const int MP_p         = 2;
+		private const int MP_dkLen = 64;
+
+		static sbyte[] ToSignedByteArray(byte[] unsigned)
+		{
+			sbyte[] signed = new sbyte[unsigned.Length];
+			Buffer.BlockCopy(unsigned, 0, signed, 0, unsigned.Length);
+			return signed;
+		}
+		static byte[] ToUnsignedByteArray(sbyte[] signed)
+		{
+			byte[] unsigned = new byte[signed.Length];
+			Buffer.BlockCopy(signed, 0, unsigned, 0, signed.Length);
+			return unsigned;
+		}
+
+		public static byte[] GetKeyForPassword(string user, string password)
+		{
+			var salt = Combine(Encoding.UTF8.GetBytes("com.lyndir.masterpassword"),
+			        IntAsByteArray(user.Length),
+			        Encoding.UTF8.GetBytes(user));
+			var ssalt = ToSignedByteArray(salt);
+			var spwd = ToSignedByteArray(Encoding.UTF8.GetBytes(password));
+			var key = SCrypt.ComputeDerivedKey(Encoding.UTF8.GetBytes(password),
+			                         salt,
+									 MP_N,
+									 MP_r, 
+									 MP_p,null, MP_dkLen);
+
+			sbyte[] signed = ToSignedByteArray(key);
+			return signed;
+		}
+
+
+		static byte[] Combine(params byte[][] arrays)
+		{
+			byte[] ret = new byte[arrays.Sum(x => x.Length)];
+			int offset = 0;
+			foreach (byte[] data in arrays)
+			{
+				Buffer.BlockCopy(data, 0, ret, offset, data.Length);
+				offset += data.Length;
+			}
+			return ret;
+		}
+		static byte[] IntAsByteArray(int intValue)
+		{
+			byte[] intBytes = BitConverter.GetBytes(intValue);
+			if (BitConverter.IsLittleEndian)
+				Array.Reverse(intBytes);
+			return intBytes;
+		}
+
+		public static String GenerateContent(string elementType, string siteName, sbyte[] key, int counter, Func<byte[], byte[], byte[]> hmacFunc)
+		{
+			if (counter == 0)
+			{
+				throw new Exception("counter==0 not support in .net. ");
+				//TODO: what does this line do in Java?
+				//counter = (int) (System.currentTimeMillis() / (300 * 1000)) * 300;
+			}
+				
+
+			byte[] nameLengthBytes = IntAsByteArray(siteName.Length);
+			byte[] counterBytes =IntAsByteArray(counter);
+			
+			sbyte[] seed = ToSignedByteArray(hmacFunc( ToUnsignedByteArray(key), Combine( Encoding.UTF8.GetBytes("com.lyndir.masterpassword"), //
+														nameLengthBytes, //
+														Encoding.UTF8.GetBytes(siteName), //
+														counterBytes ) ) );
+			//logger.trc( "seed is: %s", CryptUtils.encodeBase64( seed ) );
+
+			//Preconditions.checkState( seed.length > 0 );
+			int templateIndex = seed[0] & 0xFF; // Mask the integer's sign.
+			//MPTemplate template = templates.getTemplateForTypeAtRollingIndex( type, templateIndex );
+			//MPTemplate template = null;
+
+			
+
+			var templatesLongPwd = PlistData["MPElementGeneratedEntity"]["Long Password"];
+			string template = templatesLongPwd[templateIndex%templatesLongPwd.Count];
+			//logger.trc( "type: %s, template: %s", type, template );
+
+			StringBuilder password = new StringBuilder( template.Length );
+			for (int i = 0; i < template.Length; ++i) {
+				int characterIndex = seed[i + 1] & 0xFF; // Mask the integer's sign.
+
+				char c = template[i];
+
+				PList listOfCharacterSets = PlistData["MPCharacterClasses"];
+				var listOfCharacters = listOfCharacterSets.Single(kvp => { return kvp.Key == c.ToString(); }).Value;
+
+				char passwordCharacter = listOfCharacters[characterIndex % listOfCharacters.Length];
+				/*logger.trc( "class: %s, index: %d, byte: 0x%02X, chosen password character: %s", characterClass, characterIndex, seed[i + 1],
+							passwordCharacter );
+				*/
+				password.Append(passwordCharacter);
+			}
+
+			return password.ToString();
+		}
+
+
+    }
+}
--- a/src/MasterPassword/MpPasswordPlistData.cs
+++ b/src/MasterPassword/MpPasswordPlistData.cs
@ -0,0 +1,90 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace MasterPassword
+{
+	public partial class MpAlgorithm
+	{
+		private const string plist = @"<?xml version=""1.0"" encoding=""UTF-8""?>
+<plist version=""1.0"">
+<dict>
+	<key>MPElementGeneratedEntity</key>
+	<dict>
+		<key>Maximum Security Password</key>
+		<array>
+			<string>anoxxxxxxxxxxxxxxxxx</string>
+			<string>axxxxxxxxxxxxxxxxxno</string>
+		</array>
+		<key>Long Password</key>
+		<array>
+			<string>CvcvnoCvcvCvcv</string>
+			<string>CvcvCvcvnoCvcv</string>
+			<string>CvcvCvcvCvcvno</string>
+			<string>CvccnoCvcvCvcv</string>
+			<string>CvccCvcvnoCvcv</string>
+			<string>CvccCvcvCvcvno</string>
+			<string>CvcvnoCvccCvcv</string>
+			<string>CvcvCvccnoCvcv</string>
+			<string>CvcvCvccCvcvno</string>
+			<string>CvcvnoCvcvCvcc</string>
+			<string>CvcvCvcvnoCvcc</string>
+			<string>CvcvCvcvCvccno</string>
+			<string>CvccnoCvccCvcv</string>
+			<string>CvccCvccnoCvcv</string>
+			<string>CvccCvccCvcvno</string>
+			<string>CvcvnoCvccCvcc</string>
+			<string>CvcvCvccnoCvcc</string>
+			<string>CvcvCvccCvccno</string>
+			<string>CvccnoCvcvCvcc</string>
+			<string>CvccCvcvnoCvcc</string>
+			<string>CvccCvcvCvccno</string>
+		</array>
+		<key>Medium Password</key>
+		<array>
+			<string>CvcnoCvc</string>
+			<string>CvcCvcno</string>
+		</array>
+		<key>Basic Password</key>
+		<array>
+			<string>aaanaaan</string>
+			<string>aannaaan</string>
+			<string>aaannaaa</string>
+		</array>
+		<key>Short Password</key>
+		<array>
+			<string>Cvcn</string>
+		</array>
+		<key>PIN</key>
+		<array>
+			<string>nnnn</string>
+		</array>
+	</dict>
+	<key>MPCharacterClasses</key>
+	<dict>
+		<key>V</key>
+		<string>AEIOU</string>
+		<key>C</key>
+		<string>BCDFGHJKLMNPQRSTVWXYZ</string>
+		<key>v</key>
+		<string>aeiou</string>
+		<key>c</key>
+		<string>bcdfghjklmnpqrstvwxyz</string>
+		<key>A</key>
+		<string>AEIOUBCDFGHJKLMNPQRSTVWXYZ</string>
+		<key>a</key>
+		<string>AEIOUaeiouBCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz</string>
+		<key>n</key>
+		<string>0123456789</string>
+		<key>o</key>
+		<string>@&amp;%?,=[]_:-+*$#!'^~;()/.</string>
+		<key>x</key>
+		<string>AEIOUaeiouBCDFGHJKLMNPQRSTVWXYZbcdfghjklmnpqrstvwxyz0123456789!@#$%^&amp;*()</string>
+	</dict>
+</dict>
+</plist>
+";
+	}
+}
--- a/src/MasterPassword/PList.cs
+++ b/src/MasterPassword/PList.cs
@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Xml;
+using System.Xml.Linq;
+
+namespace MasterPassword.Data
+{
+	public class PList : Dictionary<string, dynamic>
+	{
+		public PList()
+		{
+		}
+
+		public PList(string data)
+		{
+			Read(data);
+		}
+
+		public void Read(string data)
+		{
+			Clear();
+
+			//XDocument doc = XDocument.Load(file);
+			XDocument doc = XDocument.Load(XmlReader.Create(new StringReader(data)));
+			XElement plist = doc.Element("plist");
+			XElement dict = plist.Element("dict");
+
+			var dictElements = dict.Elements();
+			Parse(this, dictElements);
+		}
+
+		private void Parse(PList dict, IEnumerable<XElement> elements)
+		{
+			for (int i = 0; i < elements.Count(); i += 2)
+			{
+				XElement key = elements.ElementAt(i);
+				XElement val = elements.ElementAt(i + 1);
+
+				dict[key.Value] = ParseValue(val);
+			}
+		}
+
+		private List<dynamic> ParseArray(IEnumerable<XElement> elements)
+		{
+			List<dynamic> list = new List<dynamic>();
+			foreach (XElement e in elements)
+			{
+				dynamic one = ParseValue(e);
+				list.Add(one);
+			}
+
+			return list;
+		}
+
+		private dynamic ParseValue(XElement val)
+		{
+			switch (val.Name.ToString())
+			{
+				case "string":
+					return val.Value;
+				case "integer":
+					return int.Parse(val.Value);
+				case "real":
+					return float.Parse(val.Value);
+				case "true":
+					return true;
+				case "false":
+					return false;
+				case "dict":
+					PList plist = new PList();
+					Parse(plist, val.Elements());
+					return plist;
+				case "array":
+					List<dynamic> list = ParseArray(val.Elements());
+					return list;
+				default:
+					throw new ArgumentException("Unsupported");
+			}
+		}
+	}
+}
--- a/src/MasterPassword/Properties/AssemblyInfo.cs
+++ b/src/MasterPassword/Properties/AssemblyInfo.cs
@ -0,0 +1,30 @@
+using System.Resources;
+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// Allgemeine Informationen über eine Assembly werden über folgende 
+// Attribute gesteuert. Ändern Sie diese Attributwerte, um die Informationen zu ändern,
+// die einer Assembly zugeordnet sind.
+[assembly: AssemblyTitle("MasterPassword")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("MasterPassword")]
+[assembly: AssemblyCopyright("Copyright ©  2014")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+[assembly: NeutralResourcesLanguage("de")]
+
+// Versionsinformationen für eine Assembly bestehen aus den folgenden vier Werten:
+//
+//      Hauptversion
+//      Nebenversion 
+//      Buildnummer
+//      Revision
+//
+// Sie können alle Werte angeben oder die standardmäßigen Build- und Revisionsnummern 
+// durch Einsatz von '*', wie in nachfolgendem Beispiel:
+// [assembly: AssemblyVersion("1.0.*")]
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]
--- a/src/MasterPassword/packages.config
+++ b/src/MasterPassword/packages.config
@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+  <package id="CryptSharpOfficial" version="2.0.0.0" targetFramework="portable-win+net45+MonoAndroid10+MonoTouch10" />
+</packages>