private void CopyIn(MD2Digest t)
{
Array.Copy(t.X, 0, X, 0, t.X.Length);
xOff = t.xOff;
Array.Copy(t.M, 0, M, 0, t.M.Length);
mOff = t.mOff;
Array.Copy(t.C, 0, C, 0, t.C.Length);
COff = t.COff;
}
public static ExtraHashAlgorithm CreateMD2()
{
var ha = new MD2Digest();
return(new ExtraHashAlgorithm(
ha.AlgorithmName, ha.GetDigestSize(),
ha.Reset, ha.BlockUpdate, ha.DoFinal
));
}
/// <summary>
/// SHA1 computation
/// </summary>
/// <param name="data">the data to hash</param>
/// <param name="key">not usable</param>
/// <returns>the hash value</returns>
private static byte[] ComputeMd2(byte[] data, byte[] key)
{
byte[] outData = new byte[16];
if (key != null)
{
var md2Hmac = new HMac(new MD2Digest());
md2Hmac.Init(new KeyParameter(key));
md2Hmac.BlockUpdate(data, 0, data.Length);
md2Hmac.DoFinal(outData, 0);
}
else
{
var md2 = new MD2Digest();
md2.BlockUpdate(data, 0, data.Length);
md2.DoFinal(outData, 0);
}
return(outData);
}
public ITestResult Perform()
{
IDigest digest = new MD2Digest();
byte[] resBuf = new byte[digest.GetDigestSize()];
string resStr;
//
// test 1
//
byte[] bytes = Hex.Decode(testVec1);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec1.Equals(resStr))
{
return(new SimpleTestResult(false,
"MD2 failing standard vector test 1"
+ SimpleTest.NewLine
+ " expected: " + resVec1
+ SimpleTest.NewLine
+ " got : " + resStr));
}
//
// test 2
//
bytes = Hex.Decode(testVec2);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec2.Equals(resStr))
{
return(new SimpleTestResult(false,
"MD2 failing standard vector test 2"
+ SimpleTest.NewLine
+ " expected: " + resVec2
+ SimpleTest.NewLine
+ " got : " + resStr));
}
//
// test 3
//
bytes = Hex.Decode(testVec3);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec3.Equals(resStr))
{
return(new SimpleTestResult(false,
"MD2 failing standard vector test 3"
+ SimpleTest.NewLine
+ " expected: " + resVec3
+ SimpleTest.NewLine
+ " got : " + resStr));
}
//
// test 4
//
bytes = Hex.Decode(testVec4);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec4.Equals(resStr))
{
return(new SimpleTestResult(false,
"MD2 failing standard vector test 4"
+ SimpleTest.NewLine
+ " expected: " + resVec4
+ SimpleTest.NewLine
+ " got : " + resStr));
}
//
// test 5
//
bytes = Hex.Decode(testVec5);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec5.Equals(resStr))
{
return(new SimpleTestResult(false,
//System.err.println(
"MD2 failing standard vector test 5"
+ SimpleTest.NewLine
+ " expected: " + resVec5
+ SimpleTest.NewLine
+ " got : " + resStr));
}
//
// test 6
//
bytes = Hex.Decode(testVec6);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec6.Equals(resStr))
{
return(new SimpleTestResult(false,
"MD2 failing standard vector test 6"
+ SimpleTest.NewLine
+ " expected: " + resVec6
+ SimpleTest.NewLine
+ " got : " + resStr));
}
//
// test 7
//
bytes = Hex.Decode(testVec7);
digest.BlockUpdate(bytes, 0, bytes.Length);
digest.DoFinal(resBuf, 0);
resStr = Hex.ToHexString(resBuf);
if (!resVec7.Equals(resStr))
{
return(new SimpleTestResult(false,
"MD2 failing standard vector test 7"
+ SimpleTest.NewLine
+ " expected: " + resVec7
+ SimpleTest.NewLine
+ " got : " + resStr));
}
return(new SimpleTestResult(true, Name + ": Okay"));
}
public void Reset(IMemoable other)
{
MD2Digest t = (MD2Digest)other;
CopyIn(t);
}
public MD2Digest(MD2Digest t)
{
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.");
}
public static byte[] Digest(byte[] data, String algo)
{
if (algo == null)
{
throw new ArgumentNullException("El algoritmo de huella digital no puede ser nulo");
}
if (data == null)
{
throw new ArgumentNullException("Los datos no pueden ser nulos");
}
switch (algo)
{
/**
* ALGORITMOS DE HASING
*/
case AOSignConstants.SIGN_ALGORITHM_SHA1:
{
Sha1Digest dig = new Sha1Digest();
dig.BlockUpdate(data, 0, data.Length);
byte[] result = new byte[dig.GetDigestSize()];
dig.DoFinal(result, 0);
return(result);
}
case AOSignConstants.SIGN_ALGORITHM_SHA256:
{
Sha256Digest dig = new Sha256Digest();
dig.BlockUpdate(data, 0, data.Length);
byte[] result = new byte[dig.GetDigestSize()];
dig.DoFinal(result, 0);
return(result);
}
case AOSignConstants.SIGN_ALGORITHM_SHA384:
{
Sha384Digest dig = new Sha384Digest();
dig.BlockUpdate(data, 0, data.Length);
byte[] result = new byte[dig.GetDigestSize()];
dig.DoFinal(result, 0);
return(result);
}
case AOSignConstants.SIGN_ALGORITHM_SHA512:
{
Sha512Digest dig = new Sha512Digest();
dig.BlockUpdate(data, 0, data.Length);
byte[] result = new byte[dig.GetDigestSize()];
dig.DoFinal(result, 0);
return(result);
}
case AOSignConstants.SIGN_ALGORITHM_RIPEMD160:
{
RipeMD160Digest dig = new RipeMD160Digest();
dig.BlockUpdate(data, 0, data.Length);
byte[] result = new byte[dig.GetDigestSize()];
dig.DoFinal(result, 0);
return(result);
}
case AOSignConstants.SIGN_ALGORITHM_MD5:
{
MD5Digest dig = new MD5Digest();
dig.BlockUpdate(data, 0, data.Length);
byte[] result = new byte[dig.GetDigestSize()];
dig.DoFinal(result, 0);
return(result);
}
case AOSignConstants.SIGN_ALGORITHM_MD2:
{
MD2Digest dig = new MD2Digest();
dig.BlockUpdate(data, 0, data.Length);
byte[] result = new byte[dig.GetDigestSize()];
dig.DoFinal(result, 0);
return(result);
}
default:
// You can use the default case.
throw new ArgumentNullException("El algoritmo no es reconocido");
}
throw new ArgumentNullException("Algoritmo de hash no soportado: " + algo);
}
