private void OnEncrypt(BufferData data, ref int length)
{
var paddingCount = (byte)(8 - length % 8);
var tempArray = BufferManager.RequestBuffer();
tempArray[0] = paddingCount;
BufferData.Copy(data, data.Offset, tempArray, paddingCount, length);
length += paddingCount;
GameCryptManager.Encrypt(tempArray.Buffer, tempArray.BaseOffset, ref length, length, Data);
BufferData.Copy(tempArray, 0, data, data.Offset, length);
BufferManager.FreeBuffer(tempArray);
}
private bool OnDecrypt(BufferData data)
{
var result = GameCryptManager.Decrypt(data.Buffer, data.BaseOffset + data.Offset, data.RemainingLength, Data);
if (!result)
{
return(false);
}
var blowfishPadding = data[data.Offset] & 0xF;
if (blowfishPadding > 8)
{
throw new Exception("More than 8 bytes of blowfish padding was added to the packet?");
}
data.Offset += blowfishPadding;
return(true);
}
private void OnReceive(BufferData data)
{
var packet = new ClientKeyPacket();
packet.Read(data.GetReader());
DHKeyExchange.GenerateServerK(PrivateKey, packet.B, K);
var key = new byte[64];
K.WriteToBigEndian(key, 0, key.Length);
GameCryptManager.Initialize(Data, key);
Socket.Send(new ClientKeyOkPacket());
Cleanup();
Manager.ExchangeDone(this);
}
private void OnEncrypt(BufferData data, ref int length)
{
GameCryptManager.Encrypt(data.Buffer, data.BaseOffset + data.Offset, ref length, data.RemainingLength, Data);
}
