public byte[] EncryptRaw(byte[] data, byte[] password)
{
var blockLength = _blockManipulator.NextBlockMultiple(data.Length + 8);
var keyBuffer = _keyGenerator.CreateKey(password);
var result = new byte[blockLength];
var blockBuffer = (Span <uint>) stackalloc uint[2];
var byteBuffer = (Span <byte>) stackalloc byte[4];
Buffer.BlockCopy(BitConverter.GetBytes((long)data.Length), 0, result, 0, 8);
Buffer.BlockCopy(data, 0, result, 8, data.Length);
using var ms = new MemoryStream(result);
for (var i = 0; i < blockLength; i += 8)
{
blockBuffer[0] = _fastBitConverter.GetUInt32UnsafeFastest(result, i);
blockBuffer[1] = _fastBitConverter.GetUInt32UnsafeFastest(result, i + 4);
_blockManipulator.EncryptBlock(blockBuffer, keyBuffer);
_fastBitConverter.SetUInt32UnsafeFastest(byteBuffer, blockBuffer[0], 0);
ms.Write(byteBuffer);
_fastBitConverter.SetUInt32UnsafeFastest(byteBuffer, blockBuffer[1], 0);
ms.Write(byteBuffer);
}
return(result);
}
public SimpleCipher()
{
generator = new SimpleRamndomGenerator(lenghtOfAlphabet, beginingOfAlphabet);
key = generator.CreateKey(100);
}