public override int TransformBlock(byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int outputOffset)
{
byte[] block = new byte[inputCount];
Array.ConstrainedCopy(inputBuffer, inputOffset, block, 0, inputCount);
// initialize
block = InitializeBlock(block);
// apply rounds
BlockEncoder blockEncoder = new BlockEncoder(keySchedule);
block = blockEncoder.Encode(block, rounds);
block.CopyTo(outputBuffer, outputOffset);
return(inputCount);
}
public override int TransformBlock(byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int outputOffset)
{
byte[] block = new byte[inputCount];
Array.ConstrainedCopy(inputBuffer, inputOffset, block, 0, inputCount);
//Un-init plans
List <IWordEncoder> plan = CreateUninitializationPlan(block);
// Decode rounds
BlockEncoder blockEncoder = new BlockEncoder(keySchedule);
block = blockEncoder.Decode(block, rounds);
// Un-init block
BitArray decoded = new BitArray(block);
plan.ForEach((IWordEncoder decoder) => {
decoded = decoder.Decode(decoded);
});
decoded.CopyTo(block, 0);
block.CopyTo(outputBuffer, outputOffset);
return(inputCount);
}