protected override void HashCore(byte[] array, int ibStart, int cbSize)
{
if (!hashing)
{
hashing = true;
}
md5.TransformBlock(array, ibStart, cbSize, array, ibStart);
sha.TransformBlock(array, ibStart, cbSize, array, ibStart);
}
protected override byte[] HashFinal()
{
if (!hashing)
{
hash.TransformBlock(innerPad, 0, innerPad.Length, innerPad, 0);
hashing = true;
}
// Finalize the original hash
hash.TransformFinalBlock(new byte[0], 0, 0);
byte[] firstResult = hash.Hash;
hash.Initialize();
hash.TransformBlock(outerPad, 0, outerPad.Length, outerPad, 0);
hash.TransformFinalBlock(firstResult, 0, firstResult.Length);
Initialize();
return(hash.Hash);
}
public byte[] Final()
{
block.Final();
byte[] intermediate = algo.Hash;
byte[] buf = KeySetup(key, 0x5C);
algo.Initialize();
algo.TransformBlock(buf, 0, buf.Length, buf, 0);
algo.TransformFinalBlock(intermediate, 0, intermediate.Length);
hash = algo.Hash;
algo.Clear();
// zeroize sensitive data
Array.Clear(buf, 0, buf.Length);
Array.Clear(intermediate, 0, intermediate.Length);
return(hash);
}
