public virtual ITestResult Perform()
{
IDigest digest = new RipeMD256Digest();
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" + " expected: " + digests[i] + SimpleTest.NewLine + " got : " + Hex.ToHexString(resBuf)));
}
}
//
// test 2
//
byte[] m2 = Encoding.ASCII.GetBytes(messages[messages.Length - 1]);
digest.BlockUpdate(m2, 0, m2.Length / 2);
// clone the IDigest
IDigest d = new RipeMD256Digest((RipeMD256Digest)digest);
digest.BlockUpdate(m2, m2.Length / 2, m2.Length - m2.Length / 2);
digest.DoFinal(resBuf, 0);
if (!Arrays.AreEqual(resBuf, Hex.Decode(digests[digests.Length - 1])))
{
return(new SimpleTestResult(false, "RipeMD256 failing clone test" + SimpleTest.NewLine + " expected: " + digests[digests.Length - 1] + SimpleTest.NewLine + " got : " + Hex.ToHexString(resBuf)));
}
d.BlockUpdate(m2, m2.Length / 2, m2.Length - m2.Length / 2);
d.DoFinal(resBuf, 0);
if (!Arrays.AreEqual(resBuf, Hex.Decode(digests[digests.Length - 1])))
{
return(new SimpleTestResult(false, "RipeMD256 failing clone test - part 2" + SimpleTest.NewLine + " expected: " + digests[digests.Length - 1] + SimpleTest.NewLine + " got : " + Hex.ToHexString(resBuf)));
}
for (int i = 0; i < 1000000; i++)
{
digest.Update((byte)'a');
}
digest.DoFinal(resBuf, 0);
if (!Arrays.AreEqual(resBuf, Hex.Decode(MillionADigest)))
{
return(new SimpleTestResult(false, Name + ": Million a's failed"));
}
return(new SimpleTestResult(true, Name + ": Okay"));
}
public static byte[] Hash256(byte[] bytes)
{
var digest = new RipeMD256Digest();
var output = new byte[digest.GetDigestSize()];
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(output, 0);
return(output);
}
public static byte[] Hash256(byte[] message)
{
var digest = new RipeMD256Digest();
var output = new byte[digest.GetDigestSize()];
byte[] msg = message ?? new byte[0];
digest.BlockUpdate(msg, 0, msg.Length);
digest.DoFinal(output, 0);
return(output);
}
private void CopyIn(RipeMD256Digest t)
{
CopyIn((GeneralDigest)t);
H0 = t.H0;
H1 = t.H1;
H2 = t.H2;
H3 = t.H3;
H4 = t.H4;
H5 = t.H5;
H6 = t.H6;
H7 = t.H7;
Array.Copy(t.X, 0, X, 0, t.X.Length);
xOff = t.xOff;
}
public static byte[] RIPEMD256(byte[] bytes)
{
if (!RIPEMD256Hashers.TryPop(out var hasher))
{
hasher = new RipeMD256Digest();
}
try {
var result = new byte[hasher.GetDigestSize()];
hasher.BlockUpdate(bytes, 0, bytes.Length);
hasher.DoFinal(result, 0);
hasher.Reset();
return(result);
} finally {
RIPEMD256Hashers.Push(hasher);
}
}
public RipeMD256Digest(RipeMD256Digest t)
: base(t)
{
CopyIn(t);
}
public override void Reset(IMemoable other)
{
RipeMD256Digest t = (RipeMD256Digest)other;
CopyIn(t);
}
public static IDigest GetDigest(string algorithm)
{
string text = Platform.ToUpperInvariant(algorithm);
string text2 = (string)DigestUtilities.algorithms[text];
if (text2 == null)
{
text2 = text;
}
try
{
switch ((DigestUtilities.DigestAlgorithm)Enums.GetEnumValue(typeof(DigestUtilities.DigestAlgorithm), text2))
{
case DigestUtilities.DigestAlgorithm.GOST3411:
{
IDigest result = new Gost3411Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.MD2:
{
IDigest result = new MD2Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.MD4:
{
IDigest result = new MD4Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.MD5:
{
IDigest result = new MD5Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.RIPEMD128:
{
IDigest result = new RipeMD128Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.RIPEMD160:
{
IDigest result = new RipeMD160Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.RIPEMD256:
{
IDigest result = new RipeMD256Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.RIPEMD320:
{
IDigest result = new RipeMD320Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA_1:
{
IDigest result = new Sha1Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA_224:
{
IDigest result = new Sha224Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA_256:
{
IDigest result = new Sha256Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA_384:
{
IDigest result = new Sha384Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA_512:
{
IDigest result = new Sha512Digest();
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA_512_224:
{
IDigest result = new Sha512tDigest(224);
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA_512_256:
{
IDigest result = new Sha512tDigest(256);
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA3_224:
{
IDigest result = new Sha3Digest(224);
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA3_256:
{
IDigest result = new Sha3Digest(256);
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA3_384:
{
IDigest result = new Sha3Digest(384);
return(result);
}
case DigestUtilities.DigestAlgorithm.SHA3_512:
{
IDigest result = new Sha3Digest(512);
return(result);
}
case DigestUtilities.DigestAlgorithm.TIGER:
{
IDigest result = new TigerDigest();
return(result);
}
case DigestUtilities.DigestAlgorithm.WHIRLPOOL:
{
IDigest result = new WhirlpoolDigest();
return(result);
}
}
}
catch (ArgumentException)
{
}
throw new SecurityUtilityException("Digest " + text2 + " not recognised.");
}
