private static byte[] alternateSum(HashAlgorithm algorithm, byte[] password, byte[] salt)
{
algorithm.Initialize();
algorithm.AddToDigest(password);
algorithm.AddToDigest(salt);
algorithm.AddToDigest(password);
return(algorithm.FinalizeAndGetHash());
}
public static void AddToDigestBuffered(this HashAlgorithm algorithm, byte[] inputBuffer, int inputOffset, int inputLength, int outputLength)
{
for (int i = 0; i < outputLength; i += inputLength)
{
algorithm.AddToDigest(inputBuffer, inputOffset, Math.Min(inputLength, outputLength - i));
}
}
private static void intermediateCalc(HashAlgorithm algorithm, byte[] password, byte[] salt, byte[] intermediateSum, int i)
{
algorithm.Initialize();
if ((i & 1) != 0)
{
algorithm.AddToDigest(password);
}
else
{
algorithm.AddToDigest(intermediateSum);
}
if ((i % 3) != 0)
{
algorithm.AddToDigest(salt);
}
if ((i % 7) != 0)
{
algorithm.AddToDigest(password);
}
if ((i & 1) != 0)
{
algorithm.AddToDigest(intermediateSum);
}
else
{
algorithm.AddToDigest(password);
}
Array.ConstrainedCopy(algorithm.FinalizeAndGetHash(), 0, intermediateSum, 0, intermediateSum.Length);
}
private static byte[] intermediateSum(HashAlgorithm algorithm, byte[] password, byte[] magic, byte[] salt, byte[] alternateSum)
{
algorithm.Initialize();
algorithm.AddToDigest(password);
algorithm.AddToDigest(magic);
algorithm.AddToDigest(salt);
algorithm.AddToDigestBuffered(alternateSum, password.Length);
byte[] temp = new byte[1];
for (int i = password.Length; i != 0; i >>= 1)
{
if ((i & 1) != 0)
{
temp[0] = 0;
}
else
{
temp[0] = password[0];
}
algorithm.AddToDigest(temp);
}
return(algorithm.FinalizeAndGetHash());
}
public static void AddToDigest(this HashAlgorithm algorithm, byte[] block)
{
algorithm.AddToDigest(block, 0, block.Length);
}