keepass2android/src/KeePassLib2Android/Cryptography/SelfTest.cs

459 lines
16 KiB
C#

/*
KeePass Password Safe - The Open-Source Password Manager
Copyright (C) 2003-2013 Dominik Reichl <dominik.reichl@t-online.de>
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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
using System;
using System.Collections.Generic;
using System.Security;
using System.Security.Cryptography;
using System.Text;
using System.Globalization;
using System.Diagnostics;
using KeePassLib.Cryptography.Cipher;
using KeePassLib.Keys;
using KeePassLib.Native;
using KeePassLib.Utility;
using KeePassLib.Resources;
using KeePassLib.Security;
namespace KeePassLib.Cryptography
{
/* #pragma warning disable 1591
/// <summary>
/// Return values of the <c>SelfTest.Perform</c> method.
/// </summary>
public enum SelfTestResult
{
Success = 0,
RijndaelEcbError = 1,
Salsa20Error = 2,
NativeKeyTransformationError = 3
}
#pragma warning restore 1591 */
/// <summary>
/// Class containing self-test methods.
/// </summary>
public static class SelfTest
{
/// <summary>
/// Perform a self-test.
/// </summary>
public static void Perform()
{
TestFipsComplianceProblems(); // Must be the first test
TestRijndael();
TestSalsa20();
TestNativeKeyTransform();
TestHmacOtp();
TestProtectedObjects();
TestMemUtil();
TestStrUtil();
TestUrlUtil();
Debug.Assert((int)PwIcon.World == 1);
Debug.Assert((int)PwIcon.Warning == 2);
Debug.Assert((int)PwIcon.BlackBerry == 68);
}
internal static void TestFipsComplianceProblems()
{
#if !KeePassRT
try { new RijndaelManaged(); }
catch(Exception exAes)
{
throw new SecurityException("AES/Rijndael: " + exAes.Message);
}
try { new SHA256Managed(); }
catch(Exception exSha256)
{
throw new SecurityException("SHA-256: " + exSha256.Message);
}
#endif
}
private static void TestRijndael()
{
#if !KeePassRT
// Test vector (official ECB test vector #356)
byte[] pbIV = new byte[16];
byte[] pbTestKey = new byte[32];
byte[] pbTestData = new byte[16];
byte[] pbReferenceCT = new byte[16] {
0x75, 0xD1, 0x1B, 0x0E, 0x3A, 0x68, 0xC4, 0x22,
0x3D, 0x88, 0xDB, 0xF0, 0x17, 0x97, 0x7D, 0xD7 };
int i;
for(i = 0; i < 16; ++i) pbIV[i] = 0;
for(i = 0; i < 32; ++i) pbTestKey[i] = 0;
for(i = 0; i < 16; ++i) pbTestData[i] = 0;
pbTestData[0] = 0x04;
RijndaelManaged r = new RijndaelManaged();
if(r.BlockSize != 128) // AES block size
{
Debug.Assert(false);
r.BlockSize = 128;
}
r.IV = pbIV;
r.KeySize = 256;
r.Key = pbTestKey;
r.Mode = CipherMode.ECB;
ICryptoTransform iCrypt = r.CreateEncryptor();
iCrypt.TransformBlock(pbTestData, 0, 16, pbTestData, 0);
if(!MemUtil.ArraysEqual(pbTestData, pbReferenceCT))
throw new SecurityException(KLRes.EncAlgorithmAes + ".");
#endif
}
private static void TestSalsa20()
{
// Test values from official set 6, vector 3
byte[] pbKey= new byte[32] {
0x0F, 0x62, 0xB5, 0x08, 0x5B, 0xAE, 0x01, 0x54,
0xA7, 0xFA, 0x4D, 0xA0, 0xF3, 0x46, 0x99, 0xEC,
0x3F, 0x92, 0xE5, 0x38, 0x8B, 0xDE, 0x31, 0x84,
0xD7, 0x2A, 0x7D, 0xD0, 0x23, 0x76, 0xC9, 0x1C
};
byte[] pbIV = new byte[8] { 0x28, 0x8F, 0xF6, 0x5D,
0xC4, 0x2B, 0x92, 0xF9 };
byte[] pbExpected = new byte[16] {
0x5E, 0x5E, 0x71, 0xF9, 0x01, 0x99, 0x34, 0x03,
0x04, 0xAB, 0xB2, 0x2A, 0x37, 0xB6, 0x62, 0x5B
};
byte[] pb = new byte[16];
Salsa20Cipher c = new Salsa20Cipher(pbKey, pbIV);
c.Encrypt(pb, pb.Length, false);
if(!MemUtil.ArraysEqual(pb, pbExpected))
throw new SecurityException("Salsa20.");
#if DEBUG
// Extended test in debug mode
byte[] pbExpected2 = new byte[16] {
0xAB, 0xF3, 0x9A, 0x21, 0x0E, 0xEE, 0x89, 0x59,
0x8B, 0x71, 0x33, 0x37, 0x70, 0x56, 0xC2, 0xFE
};
byte[] pbExpected3 = new byte[16] {
0x1B, 0xA8, 0x9D, 0xBD, 0x3F, 0x98, 0x83, 0x97,
0x28, 0xF5, 0x67, 0x91, 0xD5, 0xB7, 0xCE, 0x23
};
Random r = new Random();
int nPos = Salsa20ToPos(c, r, pb.Length, 65536);
c.Encrypt(pb, pb.Length, false);
if(!MemUtil.ArraysEqual(pb, pbExpected2))
throw new SecurityException("Salsa20-2.");
nPos = Salsa20ToPos(c, r, nPos + pb.Length, 131008);
Array.Clear(pb, 0, pb.Length);
c.Encrypt(pb, pb.Length, true);
if(!MemUtil.ArraysEqual(pb, pbExpected3))
throw new SecurityException("Salsa20-3.");
#endif
}
#if DEBUG
private static int Salsa20ToPos(Salsa20Cipher c, Random r, int nPos,
int nTargetPos)
{
byte[] pb = new byte[512];
while(nPos < nTargetPos)
{
int x = r.Next(1, 513);
int nGen = Math.Min(nTargetPos - nPos, x);
c.Encrypt(pb, nGen, r.Next(0, 2) == 0);
nPos += nGen;
}
return nTargetPos;
}
#endif
private static void TestNativeKeyTransform()
{
#if DEBUG
byte[] pbOrgKey = CryptoRandom.Instance.GetRandomBytes(32);
byte[] pbSeed = CryptoRandom.Instance.GetRandomBytes(32);
ulong uRounds = (ulong)((new Random()).Next(1, 0x3FFF));
byte[] pbManaged = new byte[32];
Array.Copy(pbOrgKey, pbManaged, 32);
if(CompositeKey.TransformKeyManaged(pbManaged, pbSeed, uRounds) == false)
throw new SecurityException("Managed transform.");
byte[] pbNative = new byte[32];
Array.Copy(pbOrgKey, pbNative, 32);
if(NativeLib.TransformKey256(pbNative, pbSeed, uRounds) == false)
return; // Native library not available ("success")
if(!MemUtil.ArraysEqual(pbManaged, pbNative))
throw new SecurityException("Native transform.");
#endif
}
private static void TestMemUtil()
{
#if DEBUG
Random r = new Random();
byte[] pb = CryptoRandom.Instance.GetRandomBytes((uint)r.Next(
0, 0x2FFFF));
byte[] pbCompressed = MemUtil.Compress(pb);
if(!MemUtil.ArraysEqual(MemUtil.Decompress(pbCompressed), pb))
throw new InvalidOperationException("GZip");
Encoding enc = StrUtil.Utf8;
pb = enc.GetBytes("012345678901234567890a");
byte[] pbN = enc.GetBytes("9012");
if(MemUtil.IndexOf<byte>(pb, pbN) != 9)
throw new InvalidOperationException("MemUtil-1");
pbN = enc.GetBytes("01234567890123");
if(MemUtil.IndexOf<byte>(pb, pbN) != 0)
throw new InvalidOperationException("MemUtil-2");
pbN = enc.GetBytes("a");
if(MemUtil.IndexOf<byte>(pb, pbN) != 21)
throw new InvalidOperationException("MemUtil-3");
pbN = enc.GetBytes("0a");
if(MemUtil.IndexOf<byte>(pb, pbN) != 20)
throw new InvalidOperationException("MemUtil-4");
pbN = enc.GetBytes("1");
if(MemUtil.IndexOf<byte>(pb, pbN) != 1)
throw new InvalidOperationException("MemUtil-5");
pbN = enc.GetBytes("b");
if(MemUtil.IndexOf<byte>(pb, pbN) >= 0)
throw new InvalidOperationException("MemUtil-6");
pbN = enc.GetBytes("012b");
if(MemUtil.IndexOf<byte>(pb, pbN) >= 0)
throw new InvalidOperationException("MemUtil-7");
#endif
}
private static void TestHmacOtp()
{
#if (DEBUG && !KeePassLibSD && !KeePassRT)
byte[] pbSecret = StrUtil.Utf8.GetBytes("12345678901234567890");
string[] vExp = new string[]{ "755224", "287082", "359152",
"969429", "338314", "254676", "287922", "162583", "399871",
"520489" };
for(int i = 0; i < vExp.Length; ++i)
{
if(HmacOtp.Generate(pbSecret, (ulong)i, 6, false, -1) != vExp[i])
throw new InvalidOperationException("HmacOtp");
}
#endif
}
private static void TestProtectedObjects()
{
#if DEBUG
Encoding enc = StrUtil.Utf8;
byte[] pbData = enc.GetBytes("Test Test Test Test");
ProtectedBinary pb = new ProtectedBinary(true, pbData);
if(!pb.IsProtected) throw new SecurityException("ProtectedBinary-1");
byte[] pbDec = pb.ReadData();
if(!MemUtil.ArraysEqual(pbData, pbDec))
throw new SecurityException("ProtectedBinary-2");
if(!pb.IsProtected) throw new SecurityException("ProtectedBinary-3");
byte[] pbData2 = enc.GetBytes("Test Test Test Test");
byte[] pbData3 = enc.GetBytes("Test Test Test Test Test");
ProtectedBinary pb2 = new ProtectedBinary(true, pbData2);
ProtectedBinary pb3 = new ProtectedBinary(true, pbData3);
if(!pb.Equals(pb2)) throw new SecurityException("ProtectedBinary-4");
if(pb.Equals(pb3)) throw new SecurityException("ProtectedBinary-5");
if(pb2.Equals(pb3)) throw new SecurityException("ProtectedBinary-6");
if(pb.GetHashCode() != pb2.GetHashCode())
throw new SecurityException("ProtectedBinary-7");
if(!((object)pb).Equals((object)pb2))
throw new SecurityException("ProtectedBinary-8");
if(((object)pb).Equals((object)pb3))
throw new SecurityException("ProtectedBinary-9");
if(((object)pb2).Equals((object)pb3))
throw new SecurityException("ProtectedBinary-10");
ProtectedString ps = new ProtectedString();
if(ps.Length != 0) throw new SecurityException("ProtectedString-1");
if(!ps.IsEmpty) throw new SecurityException("ProtectedString-2");
if(ps.ReadString().Length != 0)
throw new SecurityException("ProtectedString-3");
ps = new ProtectedString(true, "Test");
ProtectedString ps2 = new ProtectedString(true, enc.GetBytes("Test"));
if(ps.IsEmpty) throw new SecurityException("ProtectedString-4");
pbData = ps.ReadUtf8();
pbData2 = ps2.ReadUtf8();
if(!MemUtil.ArraysEqual(pbData, pbData2))
throw new SecurityException("ProtectedString-5");
if(pbData.Length != 4)
throw new SecurityException("ProtectedString-6");
if(ps.ReadString() != ps2.ReadString())
throw new SecurityException("ProtectedString-7");
pbData = ps.ReadUtf8();
pbData2 = ps2.ReadUtf8();
if(!MemUtil.ArraysEqual(pbData, pbData2))
throw new SecurityException("ProtectedString-8");
if(!ps.IsProtected) throw new SecurityException("ProtectedString-9");
if(!ps2.IsProtected) throw new SecurityException("ProtectedString-10");
#endif
}
private static void TestStrUtil()
{
#if DEBUG
string[] vSeps = new string[]{ "ax", "b", "c" };
const string str1 = "axbqrstcdeax";
List<string> v1 = StrUtil.SplitWithSep(str1, vSeps, true);
if(v1.Count != 9) throw new InvalidOperationException("StrUtil-1");
if(v1[0].Length > 0) throw new InvalidOperationException("StrUtil-2");
if(!v1[1].Equals("ax")) throw new InvalidOperationException("StrUtil-3");
if(v1[2].Length > 0) throw new InvalidOperationException("StrUtil-4");
if(!v1[3].Equals("b")) throw new InvalidOperationException("StrUtil-5");
if(!v1[4].Equals("qrst")) throw new InvalidOperationException("StrUtil-6");
if(!v1[5].Equals("c")) throw new InvalidOperationException("StrUtil-7");
if(!v1[6].Equals("de")) throw new InvalidOperationException("StrUtil-8");
if(!v1[7].Equals("ax")) throw new InvalidOperationException("StrUtil-9");
if(v1[8].Length > 0) throw new InvalidOperationException("StrUtil-10");
const string str2 = "12ab56";
List<string> v2 = StrUtil.SplitWithSep(str2, new string[]{ "AB" }, false);
if(v2.Count != 3) throw new InvalidOperationException("StrUtil-11");
if(!v2[0].Equals("12")) throw new InvalidOperationException("StrUtil-12");
if(!v2[1].Equals("AB")) throw new InvalidOperationException("StrUtil-13");
if(!v2[2].Equals("56")) throw new InvalidOperationException("StrUtil-14");
List<string> v3 = StrUtil.SplitWithSep("pqrs", vSeps, false);
if(v3.Count != 1) throw new InvalidOperationException("StrUtil-15");
if(!v3[0].Equals("pqrs")) throw new InvalidOperationException("StrUtil-16");
if(StrUtil.VersionToString(0x000F000E000D000CUL) != "15.14.13.12")
throw new InvalidOperationException("StrUtil-V1");
if(StrUtil.VersionToString(0x00FF000E00010000UL) != "255.14.1")
throw new InvalidOperationException("StrUtil-V2");
if(StrUtil.VersionToString(0x000F00FF00000000UL) != "15.255")
throw new InvalidOperationException("StrUtil-V3");
if(StrUtil.VersionToString(0x00FF000000000000UL) != "255")
throw new InvalidOperationException("StrUtil-V4");
if(StrUtil.VersionToString(0x00FF000000000000UL, true) != "255.0")
throw new InvalidOperationException("StrUtil-V5");
if(StrUtil.VersionToString(0x0000000000070000UL, true) != "0.0.7")
throw new InvalidOperationException("StrUtil-V6");
if(StrUtil.RtfEncodeChar('\u0000') != "\\u0?")
throw new InvalidOperationException("StrUtil-Rtf1");
if(StrUtil.RtfEncodeChar('\u7FFF') != "\\u32767?")
throw new InvalidOperationException("StrUtil-Rtf2");
if(StrUtil.RtfEncodeChar('\u8000') != "\\u-32768?")
throw new InvalidOperationException("StrUtil-Rtf3");
if(StrUtil.RtfEncodeChar('\uFFFF') != "\\u-1?")
throw new InvalidOperationException("StrUtil-Rtf4");
if(!StrUtil.StringToBool(Boolean.TrueString))
throw new InvalidOperationException("StrUtil-Bool1");
if(StrUtil.StringToBool(Boolean.FalseString))
throw new InvalidOperationException("StrUtil-Bool2");
if(StrUtil.Count("Abracadabra", "a") != 4)
throw new InvalidOperationException("StrUtil-Count1");
if(StrUtil.Count("Bla", "U") != 0)
throw new InvalidOperationException("StrUtil-Count2");
if(StrUtil.Count("AAAAA", "AA") != 4)
throw new InvalidOperationException("StrUtil-Count3");
const string sU = "data:mytype;base64,";
if(!StrUtil.IsDataUri(sU))
throw new InvalidOperationException("StrUtil-DataUri1");
if(!StrUtil.IsDataUri(sU, "mytype"))
throw new InvalidOperationException("StrUtil-DataUri2");
if(StrUtil.IsDataUri(sU, "notmytype"))
throw new InvalidOperationException("StrUtil-DataUri3");
uint u = 0x7FFFFFFFU;
if(u.ToString(NumberFormatInfo.InvariantInfo) != "2147483647")
throw new InvalidOperationException("StrUtil-Inv1");
if(uint.MaxValue.ToString(NumberFormatInfo.InvariantInfo) !=
"4294967295")
throw new InvalidOperationException("StrUtil-Inv2");
if(long.MinValue.ToString(NumberFormatInfo.InvariantInfo) !=
"-9223372036854775808")
throw new InvalidOperationException("StrUtil-Inv3");
if(short.MinValue.ToString(NumberFormatInfo.InvariantInfo) !=
"-32768")
throw new InvalidOperationException("StrUtil-Inv4");
#endif
}
private static void TestUrlUtil()
{
#if DEBUG
if(UrlUtil.GetHost(@"scheme://domain:port/path?query_string#fragment_id") !=
"domain")
throw new InvalidOperationException("UrlUtil-H1");
if(UrlUtil.GetHost(@"http://example.org:80") != "example.org")
throw new InvalidOperationException("UrlUtil-H2");
if(UrlUtil.GetHost(@"mailto:bob@example.com") != "example.com")
throw new InvalidOperationException("UrlUtil-H3");
if(UrlUtil.GetHost(@"ftp://asmith@ftp.example.org") != "ftp.example.org")
throw new InvalidOperationException("UrlUtil-H4");
if(UrlUtil.GetHost(@"scheme://username:password@domain:port/path?query_string#fragment_id") !=
"domain")
throw new InvalidOperationException("UrlUtil-H5");
if(UrlUtil.GetHost(@"bob@example.com") != "example.com")
throw new InvalidOperationException("UrlUtil-H6");
if(UrlUtil.GetHost(@"s://u:p@d.tld:p/p?q#f") != "d.tld")
throw new InvalidOperationException("UrlUtil-H7");
if(NativeLib.IsUnix()) return;
string strBase = "\\\\HOMESERVER\\Apps\\KeePass\\KeePass.exe";
string strDoc = "\\\\HOMESERVER\\Documents\\KeePass\\NewDatabase.kdbx";
string strRel = "..\\..\\Documents\\KeePass\\NewDatabase.kdbx";
string str = UrlUtil.MakeRelativePath(strBase, strDoc);
if(!str.Equals(strRel)) throw new InvalidOperationException("UrlUtil-R1");
str = UrlUtil.MakeAbsolutePath(strBase, strRel);
if(!str.Equals(strDoc)) throw new InvalidOperationException("UrlUtil-R2");
str = UrlUtil.GetQuotedAppPath(" \"Test\" \"%1\" ");
if(str != "Test") throw new InvalidOperationException("UrlUtil-Q1");
str = UrlUtil.GetQuotedAppPath("C:\\Program Files\\Test.exe");
if(str != "C:\\Program Files\\Test.exe") throw new InvalidOperationException("UrlUtil-Q2");
str = UrlUtil.GetQuotedAppPath("Reg.exe \"Test\" \"Test 2\"");
if(str != "Reg.exe \"Test\" \"Test 2\"") throw new InvalidOperationException("UrlUtil-Q3");
#endif
}
}
}