LobbyServer.LOGIN_PROOF.HandlePacket C# (CSharp) Method

        public int HandlePacket(BaseClient client, PacketIn packet)
        {
            LobbyClient cclient = client as LobbyClient;
            byte[] clientModulus = new byte[64];
            for (int i = 0; i < 64; ++i) clientModulus[i] = packet.GetUint8();
            cclient.clientModulus = new FrameWork.NetWork.Crypto.BigInteger(1, clientModulus);
            UInt16 unk = packet.GetUint16();
            byte[] Proof = new byte[20];
            for (int i = 0; i < 20; ++i) Proof[i] = packet.GetUint8();
            cclient.Proof = Proof;
            if (IsBanned(cclient))
            {
                ANS_LOGIN_FAILED.Send(cclient, (int)ResponseCodes.RC_LOGIN_ACCOUNT_BLOCKED);
                cclient.Disconnect();
            }
            else
            {
                if (IsValid(cclient))
                {
                    ANS_LOGIN_SUCCES.Send(cclient);
                    cclient.ECrypt = new TCP.Encryption(cclient.SessionId);
                    ANS_CHARACTER_INFO.Send(cclient);
                }
                else
                {
                    ANS_LOGIN_FAILED.Send(cclient, (int)ResponseCodes.RC_LOGIN_INVALID_ACCOUNT);
                    cclient.Disconnect();
                }
            }
            return 0;
        }