public string Encrypt(string text, byte[] key)
{
byte[] message = Encoding.UTF8.GetBytes(text);
int toPad = message.Length % BlockSize;
byte[] bytes;
if (toPad == 0)
{
bytes = message;
}
else
{
toPad = BlockSize - message.Length % BlockSize;
bytes = new byte[message.Length + toPad];
for (int i = 0; i < bytes.Length; i++)
{
if (i < message.Length)
{
bytes[i] = message[i];
}
}
}
object sessionKeys = MakeKey(key);
StringBuilder stringBuilder = new StringBuilder();
for (int i = 0; i < bytes.Length / BlockSize; i++)
{
byte[] enc = BlockEncrypt(bytes, BlockSize * i, sessionKeys);
stringBuilder.Append(ByteToHex(enc));
}
return(Converts.StringToBinary(stringBuilder.ToString()));
}
private void tbMessage_KeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.Enter)
{
if (client != null)
{
string msg = Converts.BinaryToString(serpent.Encrypt(tbMessage.Text, Convert.FromBase64String(KeyToSerpent)));
msg += KeyToSerpent;
client.SendMsg(msg, ID);
tbMessage.Text = string.Empty;
}
}
}
