internal override void ReceiveAsync(AsyncBuffer buffer)
{
byte[] lengthBytes = new byte[4];
base.Receive(lengthBytes);
int dataSize = BitConverter.ToInt32(lengthBytes, 0);
buffer.Resize(dataSize);
base.Receive(buffer.data);
Cipher.cipher(buffer.data, key);
receiveThread[buffer.threadId] = null;
buffer.Ready = true;
buffer.RunCallback();
}
