static DataDecoder()
{
byte[] bKey = System.Text.Encoding.ASCII.GetBytes("Implict error #56");
var tiger = new TigerDigest();
tiger.BlockUpdate(bKey, 0, bKey.Length);
var bb = new byte[24];
tiger.DoFinal(bb, 0);
Key = new KeyParameter(bb);
}
public void Reset(IMemoable other)
{
TigerDigest tigerDigest = (TigerDigest)other;
a = tigerDigest.a;
b = tigerDigest.b;
c = tigerDigest.c;
Array.Copy(tigerDigest.x, 0, x, 0, tigerDigest.x.Length);
xOff = tigerDigest.xOff;
Array.Copy(tigerDigest.Buffer, 0, Buffer, 0, tigerDigest.Buffer.Length);
bOff = tigerDigest.bOff;
byteCount = tigerDigest.byteCount;
}
public void Reset(IMemoable other)
{
TigerDigest tigerDigest = (TigerDigest)other;
a = tigerDigest.a;
b = tigerDigest.b;
c = tigerDigest.c;
global::System.Array.Copy((global::System.Array)tigerDigest.x, 0, (global::System.Array)x, 0, tigerDigest.x.Length);
xOff = tigerDigest.xOff;
global::System.Array.Copy((global::System.Array)tigerDigest.Buffer, 0, (global::System.Array)Buffer, 0, tigerDigest.Buffer.Length);
bOff = tigerDigest.bOff;
byteCount = tigerDigest.byteCount;
}
public void Reset(IMemoable other)
{
TigerDigest digest = (TigerDigest)other;
this.a = digest.a;
this.b = digest.b;
this.c = digest.c;
Array.Copy(digest.x, 0, this.x, 0, digest.x.Length);
this.xOff = digest.xOff;
Array.Copy(digest.Buffer, 0, this.Buffer, 0, digest.Buffer.Length);
this.bOff = digest.bOff;
this.byteCount = digest.byteCount;
}
public static IEnumerable<byte[]> EncodeSettings(ClientSettings settings)
{
if (settings == null) throw new ArgumentNullException("settings");
var ks = "ReadNewSettings2Connection_Request";
byte[] bKey = System.Text.Encoding.ASCII.GetBytes(ks);
var tiger = new TigerDigest();
tiger.BlockUpdate(bKey, 0, bKey.Length);
var bb = new byte[24];
tiger.DoFinal(bb, 0);
var key = new KeyParameter(bb);
foreach (var sett in settings.Settings)
{
yield return DataEncoder.EncodeString(sett.FieldName, key);
yield return DataEncoder.EncodeString(sett.GetStringValue(), key);
}
}
public ITestResult Perform()
{
IDigest digest = new TigerDigest();
byte[] resBuf = new byte[digest.GetDigestSize()];
for (int i = 0; i < messages.Length; i++)
{
byte[] m = Encoding.ASCII.GetBytes(messages[i]);
digest.BlockUpdate(m, 0, m.Length);
digest.DoFinal(resBuf, 0);
if (!Arrays.AreEqual(resBuf, Hex.Decode(digests[i])))
{
return new SimpleTestResult(false, Name + ": Vector " + i + " failed got " + Hex.ToHexString(resBuf));
}
}
//
// test 2
//
byte[] mm = Encoding.ASCII.GetBytes(messages[messages.Length-1]);
digest.BlockUpdate(mm, 0, mm.Length/2);
// clone the IDigest
IDigest d = new TigerDigest((TigerDigest)digest);
digest.BlockUpdate(mm, mm.Length/2, mm.Length - mm.Length/2);
digest.DoFinal(resBuf, 0);
if (!Arrays.AreEqual(resBuf, Hex.Decode(digests[digests.Length-1])))
{
return new SimpleTestResult(false,
"Tiger failing clone test"
+ SimpleTest.NewLine
+ " expected: " + digests[digests.Length-1]
+ SimpleTest.NewLine
+ " got : " + Hex.ToHexString(resBuf));
}
d.BlockUpdate(mm, mm.Length/2, mm.Length - mm.Length/2);
d.DoFinal(resBuf, 0);
if (!Arrays.AreEqual(resBuf, Hex.Decode(digests[digests.Length-1])))
{
return new SimpleTestResult(false,
"Tiger failing clone test - part 2"
+ SimpleTest.NewLine
+ " expected: " + digests[digests.Length-1]
+ SimpleTest.NewLine
+ " got : " + Hex.ToHexString(resBuf));
}
for (int i = 0; i < 65536; i++)
{
digest.Update((byte)(i & 0xff));
}
digest.DoFinal(resBuf, 0);
if (!Arrays.AreEqual(resBuf, Hex.Decode(hash64k)))
{
return new SimpleTestResult(false, Name + ": Million a's failed");
}
return new SimpleTestResult(true, Name + ": Okay");
}
public TigerDigest(TigerDigest t)
{
Reset(t);
}
/**
* Copy constructor. This will copy the state of the provided
* message digest.
*/
public TigerDigest(TigerDigest t)
{
Reset(t);
}
/**
* Copy constructor. This will copy the state of the provided
* message digest.
*/
public TigerDigest(TigerDigest t)
{
a = t.a;
b = t.b;
c = t.c;
Array.Copy(t.x, 0, x, 0, t.x.Length);
xOff = t.xOff;
Array.Copy(t.Buffer, 0, Buffer, 0, t.Buffer.Length);
bOff = t.bOff;
byteCount = t.byteCount;
}
public TigerDigest(TigerDigest t)
{
this.Buffer = new byte[8];
this.x = new long[8];
this.Reset(t);
}
public TigerDigest(TigerDigest t)
{
this.Reset(t);
}
/// <summary>
/// Note: Clears pool contents before returning
/// </summary>
private void CreateNewPRNG(byte[] pool)
{
if (pool == null)
{
throw new CryptographicException("Refusing to reseed with null pool");
}
try
{
if (pool.Length != PoolSize)
{
throw new CryptographicException("Refusing to reseed with invalid pool");
}
// Now, pool has been seeded, file operations are all completed, it's time to create my internal PRNG
IDigest digest;
switch (this.myRNGAlgorithm)
{
case PrngAlgorithm.MD5_128bit:
digest = new MD5Digest();
break;
case PrngAlgorithm.RIPEMD128_128bit:
digest = new RipeMD128Digest();
break;
case PrngAlgorithm.RIPEMD160_160bit:
digest = new RipeMD160Digest();
break;
case PrngAlgorithm.RIPEMD256_256bit:
digest = new RipeMD256Digest();
break;
case PrngAlgorithm.RIPEMD320_320bit:
digest = new RipeMD320Digest();
break;
case PrngAlgorithm.SHA1_160bit:
digest = new Sha1Digest();
break;
case PrngAlgorithm.SHA256_256bit:
digest = new Sha256Digest();
break;
case PrngAlgorithm.SHA512_512bit:
digest = new Sha512Digest();
break;
case PrngAlgorithm.Tiger_192bit:
digest = new TigerDigest();
break;
case PrngAlgorithm.Whirlpool_512bit:
digest = new WhirlpoolDigest();
break;
default:
throw new CryptographicException("Unknown prngAlgorithm specified: " + this.myRNGAlgorithm.ToString());
}
var drng = new DigestRandomGenerator(digest);
drng.AddSeedMaterial(pool);
this.myRNG = drng;
}
finally
{
Array.Clear(pool, 0, pool.Length);
}
}
