public void Encrypt(byte[] message)
{
Data data = new Data(message, _blockSize);
for (int i = 0; i < data.NumberOfBlocks; ++i)
{
try
{
byte[] block = data.GetNBlock(i);
block = InitialPermutation(block);
for (byte round = 0; round < 16; ++round)
{
byte[] subkey = _key.Subkeys.ElementAt(round);
byte[] left = block.Take(4).ToArray();
byte[] right = block.Skip(4).Take(4).ToArray();
block = Round(left, right, subkey);
}
block = ReverseLeftAndRight(block);
block = ReversedInitialPermutation(block);
EncryptedMessage = EncryptedMessage.Concat(block).ToArray();
}
catch
{
throw;
}
}
}
//Return a byte array of the encrypted message and encrypted symmetric key.
public byte[] EncryptedDataKeyPair()
{
return(EncryptedMessage.Concat(EncryptedSymmetricKey).ToArray());
}
