Пример #1
0
        /// <summary>
        /// Start network encryption. Automatically called by Login() if the server requests encryption.
        /// </summary>
        /// <returns>True if encryption was successful</returns>
        private bool StartEncryption(string uuid, string sessionID, byte[] token, string serverIDhash, byte[] serverKey)
        {
            System.Security.Cryptography.RSACryptoServiceProvider RSAService = CryptoHandler.DecodeRSAPublicKey(serverKey);
            byte[] secretKey = CryptoHandler.GenerateAESPrivateKey();

            if (Settings.DebugMessages)
            {
                ConsoleIO.WriteLineFormatted("§8Crypto keys & hash generated.");
            }

            if (serverIDhash != "-")
            {
                Console.WriteLine("Checking Session...");
                if (!ProtocolHandler.SessionCheck(uuid, sessionID, CryptoHandler.getServerHash(serverIDhash, serverKey, secretKey)))
                {
                    handler.OnConnectionLost(ChatBot.DisconnectReason.LoginRejected, "Failed to check session.");
                    return(false);
                }
            }

            //Encrypt the data
            byte[] key_enc   = dataTypes.GetArray(RSAService.Encrypt(secretKey, false));
            byte[] token_enc = dataTypes.GetArray(RSAService.Encrypt(token, false));

            //Encryption Response packet
            SendPacket(0x01, dataTypes.ConcatBytes(key_enc, token_enc));

            //Start client-side encryption
            socketWrapper.SwitchToEncrypted(secretKey);

            //Process the next packet
            int         packetID   = -1;
            List <byte> packetData = new List <byte>();

            while (true)
            {
                ReadNextPacket(ref packetID, packetData);
                if (packetID == 0x00) //Login rejected
                {
                    handler.OnConnectionLost(ChatBot.DisconnectReason.LoginRejected, ChatParser.ParseText(dataTypes.ReadNextString(packetData)));
                    return(false);
                }
                else if (packetID == 0x02) //Login successful
                {
                    login_phase = false;

                    if (!pForge.CompleteForgeHandshake())
                    {
                        return(false);
                    }

                    StartUpdating();
                    return(true);
                }
                else
                {
                    HandlePacket(packetID, packetData);
                }
            }
        }