internal void SendPacket(ClientPacket packet)
{
byte[] packetData = packetParser.CreateByteData(packet);
Logger.LogDebug("Sent: " + packet.PacketHeader, packetData);
if (Encryption == true)
{
packetData = TinyEncryptionAlgorithm.Encrypt(packetData, XTeaEncryptKey);
}
tcpClient.Send(packetData);
}
private void DecryptNewData()
{
if (Encryption == false)
{
//logger.Log("Received: ", newData.Peek(newData.Count));
decryptedData.Enqueue(newData.Dequeue(newData.Count));
}
else if (Encryption == true && newData.Count >= 8)
{
int bytesToDecrypt = newData.Count >> 3;
bytesToDecrypt = bytesToDecrypt << 3;
byte[] decrypted = TinyEncryptionAlgorithm.Decrypt(newData.Dequeue(bytesToDecrypt), XTeaDecryptKey);
Logger.LogDebug("Received raw: ", decrypted);
decryptedData.Enqueue(decrypted);
}
}
private void Received_PhaseLogin(VirtualClient virtualClient)
{
if (virtualClient.LoginInformation.LoginKey.HasValue == false)
{
throw new Exception("No Login Key available");
}
virtualClient.Encryption = true;
CLogin2Packet packet = new CLogin2Packet
{
Username = virtualClient.LoginInformation.Username,
LoginKey = virtualClient.LoginInformation.LoginKey.Value
};
Array.Copy(virtualClient.ClientKey, packet.ClientKey, 4);
virtualClient.SendPacket(packet);
byte[] encryptKey = new byte[16];
Buffer.BlockCopy(virtualClient.ClientKey, 0, encryptKey, 0, 16);
byte[] key = CryptoUtils.GetKey_20050304Myevan();
byte[] decryptKey = TinyEncryptionAlgorithm.Encrypt(encryptKey, key);
virtualClient.SetXteaKey(encryptKey, decryptKey);
}
