public byte[] diff(byte[] block, GenericBlockCipher cipher)
{
for (int j = 0; j < block.Length; j++)
{
block[j] = (byte)(block[j] ^ cipher.Key[j % cipher.Key.Length]);
}
return(block);
}
public void Generic_GenericBlock()
{
GenericBlockCipher gbc = new GenericBlockCipher();
gbc.DiffuseFunction = diff;
gbc.ConfuseFunction = conf;
gbc.InverseDiffuseFunction = diff;
gbc.InverseConfuseFunction = conf;
gbc.Key = BitConverter.GetBytes(0x133457799BBCDFF1);
byte[] clear = BitConverter.GetBytes(0x0123456789ABCDEF);
gbc.BlockSize = gbc.Key.Length * 8;//this is to get this working without padding
byte[] cipher = gbc.Encrypt(clear);
CollectionAssert.AreNotEqual(clear, cipher);
byte[] plain = gbc.Decrypt(cipher);
CollectionAssert.AreEqual(clear, plain);
}
public byte[] conf(byte[] block, GenericBlockCipher cipher)
{
Array.Reverse(block);
return(block);
}
