// ECB mode encryption
private int EcbEncrypt(byte[] input, int inputOffset, int inputCount, byte[] output, int outputOffset)
{
if (inputCount < cipherBytes)
{
return(0);
}
GetBytes(input, inputOffset, block, cipherBytes);
cipher.Encrypt(block, block);
PutBytes(block, output, outputOffset, cipherBytes);
return(cipherBytes);
}
// ECB mode encryption
int EcbEncrypt(byte[] input, int inputOffset, int inputCount, byte[] output, int outputOffset)
{
if (inputCount >= _cipherBytes)
{
GetBytes(input, inputOffset, _block, _cipherBytes);
_cipher.Encrypt(_block, _block);
PutBytes(_block, output, outputOffset, _cipherBytes);
return(_cipherBytes);
}
return(0);
}
private void ProcessBlock(int bytes)
{
// Set the key to the current state
cipher.SetKey(state);
// Update tweak
UbiParameters.BitsProcessed += (ulong)bytes;
cipher.SetTweak(UbiParameters.Tweak);
// Encrypt block
cipher.Encrypt(cipherInput, state);
// Feed-forward input with state
for (int i = 0; i < cipherInput.Length; i++)
{
state[i] ^= cipherInput[i];
}
}
