private void SetEncryption(ExtendedSetEncryptionMessage message)
        {
            byte[] nonce       = message.RemoveNonce();
            int    nonceMethod = message.GetNonceMethod();

            if (nonceMethod == 1)
            {
                this.ScrambleNonceUsingMersenneTwister(nonce, nonce.Length);
            }
            else
            {
                this.ScrambleNonceUsingDefaultMethod(nonce, nonce.Length);
            }

            char[] nonceChars = new char[nonce.Length];

            for (int i = 0; i < nonce.Length; i++)
            {
                nonceChars[i] = (char)nonce[i];
            }

            this.InitRC4Encryption(new string(nonceChars));
            this.m_encryptionScrambled = true;
        }
Exemplo n.º 2
0
        public override PiranhaMessage CreateMessageByType(int type)
        {
            PiranhaMessage message = null;

            if (type < 20000)
            {
                switch (type)
                {
                case ClientCryptoErrorMessage.MESSAGE_TYPE:
                {
                    message = new ClientCryptoErrorMessage();
                    break;
                }

                case ClientHelloMessage.MESSAGE_TYPE:
                {
                    message = new ClientHelloMessage();
                    break;
                }

                case LoginMessage.MESSAGE_TYPE:
                {
                    message = new LoginMessage();
                    break;
                }

                case KeepAliveMessage.MESSAGE_TYPE:
                {
                    message = new KeepAliveMessage();
                    break;
                }

                case SetDeviceTokenMessage.MESSAGE_TYPE:
                {
                    message = new SetDeviceTokenMessage();
                    break;
                }

                case ResetAccountMessage.MESSAGE_TYPE:
                {
                    message = new ResetAccountMessage();
                    break;
                }

                case ReportUserMessage.MESSAGE_TYPE:
                {
                    message = new ReportUserMessage();
                    break;
                }

                case AccountSwitchedMessage.MESSAGE_TYPE:
                {
                    message = new AccountSwitchedMessage();
                    break;
                }

                case UnlockAccountMessage.MESSAGE_TYPE:
                {
                    message = new UnlockAccountMessage();
                    break;
                }

                case AppleBillingRequestMessage.MESSAGE_TYPE:
                {
                    message = new AppleBillingRequestMessage();
                    break;
                }

                case ChangeAvatarNameMessage.MESSAGE_TYPE:
                {
                    message = new ChangeAvatarNameMessage();
                    break;
                }

                case AcceptFriendMessage.MESSAGE_TYPE:
                {
                    message = new AcceptFriendMessage();
                    break;
                }

                case AddFriendMessage.MESSAGE_TYPE:
                {
                    message = new AddFriendMessage();
                    break;
                }

                case AskForFriendListMessage.MESSAGE_TYPE:
                {
                    message = new AskForFriendListMessage();
                    break;
                }

                case RemoveFriendMessage.MESSAGE_TYPE:
                {
                    message = new RemoveFriendMessage();
                    break;
                }

                case StartFriendLiveSpectateMessage.MESSAGE_TYPE:
                {
                    message = new StartFriendLiveSpectateMessage();
                    break;
                }

                case InboxOpenedMessage.MESSAGE_TYPE:
                {
                    message = new InboxOpenedMessage();
                    break;
                }

                case GoHomeMessage.MESSAGE_TYPE:
                {
                    message = new GoHomeMessage();
                    break;
                }

                case EndClientTurnMessage.MESSAGE_TYPE:
                {
                    message = new EndClientTurnMessage();
                    break;
                }

                case CancelMatchmakingMessage.MESSAGE_TYPE:
                {
                    message = new CancelMatchmakingMessage();
                    break;
                }

                case AttackHomeMessage.MESSAGE_TYPE:
                {
                    message = new AttackHomeMessage();
                    break;
                }

                case StartFriendlyChallengeSpectateMessage.MESSAGE_TYPE:
                {
                    message = new StartFriendlyChallengeSpectateMessage();
                    break;
                }

                case ScoutFriendlyBattleMessage.MESSAGE_TYPE:
                {
                    message = new ScoutFriendlyBattleMessage();
                    break;
                }

                case VisitHomeMessage.MESSAGE_TYPE:
                {
                    message = new VisitHomeMessage();
                    break;
                }

                case HomeBattleReplayMessage.MESSAGE_TYPE:
                {
                    message = new HomeBattleReplayMessage();
                    break;
                }

                case AttackMatchedHomeMessage.MESSAGE_TYPE:
                {
                    message = new AttackMatchedHomeMessage();
                    break;
                }

                case AcceptFriendlyBattleMessage.MESSAGE_TYPE:
                {
                    message = new AcceptFriendlyBattleMessage();
                    break;
                }

                case CancelChallengeMessage.MESSAGE_TYPE:
                {
                    message = new CancelChallengeMessage();
                    break;
                }

                case AttackNpcMessage.MESSAGE_TYPE:
                {
                    message = new AttackNpcMessage();
                    break;
                }

                case DuelNpcMessage.MESSAGE_TYPE:
                {
                    message = new DuelNpcMessage();
                    break;
                }

                case BindGoogleServiceAccountMessage.MESSAGE_TYPE:
                {
                    message = new BindGoogleServiceAccountMessage();
                    break;
                }

                case BindFacebookAccountMessage.MESSAGE_TYPE:
                {
                    message = new BindFacebookAccountMessage();
                    break;
                }

                case CreateAllianceMessage.MESSAGE_TYPE:
                {
                    message = new CreateAllianceMessage();
                    break;
                }

                case AskForAllianceDataMessage.MESSAGE_TYPE:
                {
                    message = new AskForAllianceDataMessage();
                    break;
                }

                case AskForJoinableAlliancesListMessage.MESSAGE_TYPE:
                {
                    message = new AskForJoinableAlliancesListMessage();
                    break;
                }

                case JoinAllianceMessage.MESSAGE_TYPE:
                {
                    message = new JoinAllianceMessage();
                    break;
                }

                case ChangeAllianceMemberRoleMessage.MESSAGE_TYPE:
                {
                    message = new ChangeAllianceMemberRoleMessage();
                    break;
                }

                case LeaveAllianceMessage.MESSAGE_TYPE:
                {
                    message = new LeaveAllianceMessage();
                    break;
                }

                case DonateAllianceUnitMessage.MESSAGE_TYPE:
                {
                    message = new DonateAllianceUnitMessage();
                    break;
                }

                case ChatToAllianceStreamMessage.MESSAGE_TYPE:
                {
                    message = new ChatToAllianceStreamMessage();
                    break;
                }

                case ChangeAllianceSettingsMessage.MESSAGE_TYPE:
                {
                    message = new ChangeAllianceSettingsMessage();
                    break;
                }

                case RequestJoinAllianceMessage.MESSAGE_TYPE:
                {
                    message = new RequestJoinAllianceMessage();
                    break;
                }

                case RespondToAllianceJoinRequestMessage.MESSAGE_TYPE:
                {
                    message = new RespondToAllianceJoinRequestMessage();
                    break;
                }

                case SendAllianceInvitationMessage.MESSAGE_TYPE:
                {
                    message = new SendAllianceInvitationMessage();
                    break;
                }

                case JoinAllianceUsingInvitationMessage.MESSAGE_TYPE:
                {
                    message = new JoinAllianceUsingInvitationMessage();
                    break;
                }

                case SearchAlliancesMessage.MESSAGE_TYPE:
                {
                    message = new SearchAlliancesMessage();
                    break;
                }

                case AskForAvatarProfileMessage.MESSAGE_TYPE:
                {
                    message = new AskForAvatarProfileMessage();
                    break;
                }

                case AskForAllianceBookmarksFullDataMessage.MESSAGE_TYPE:
                {
                    message = new AskForAllianceBookmarksFullDataMessage();
                    break;
                }

                case AddAllianceBookmarkMessage.MESSAGE_TYPE:
                {
                    message = new AddAllianceBookmarkMessage();
                    break;
                }

                case RemoveAllianceBookmarkMessage.MESSAGE_TYPE:
                {
                    message = new RemoveAllianceBookmarkMessage();
                    break;
                }

                case AskForAllianceRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AskForAllianceRankingListMessage();
                    break;
                }

                case AskForAvatarRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AskForAvatarRankingListMessage();
                    break;
                }

                case AskForAvatarLocalRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AskForAvatarLocalRankingListMessage();
                    break;
                }

                case AskForAvatarLastSeasonRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AskForAvatarLastSeasonRankingListMessage();
                    break;
                }

                case AskForAvatarDuelLastSeasonRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AskForAvatarDuelLastSeasonRankingListMessage();
                    break;
                }

                case RemoveAvatarStreamEntryMessage.MESSAGE_TYPE:
                {
                    message = new RemoveAvatarStreamEntryMessage();
                    break;
                }

                case AskForLeagueMemberListMessage.MESSAGE_TYPE:
                {
                    message = new AskForLeagueMemberListMessage();
                    break;
                }

                case BattleEndClientTurnMessage.MESSAGE_TYPE:
                {
                    message = new BattleEndClientTurnMessage();
                    break;
                }

                case AvatarNameCheckRequestMessage.MESSAGE_TYPE:
                {
                    message = new AvatarNameCheckRequestMessage();
                    break;
                }

                case SendGlobalChatLineMessage.MESSAGE_TYPE:
                {
                    message = new SendGlobalChatLineMessage();
                    break;
                }

                case Village2AttackStartSpectateMessage.MESSAGE_TYPE:
                {
                    message = new Village2AttackStartSpectateMessage();
                    break;
                }
                }
            }
            else
            {
                switch (type)
                {
                case SetEncryptionMessage.MESSAGE_TYPE:
                {
                    message = new ExtendedSetEncryptionMessage();
                    break;
                }

                case ServerHelloMessage.MESSAGE_TYPE:
                {
                    message = new ServerHelloMessage();
                    break;
                }

                case LoginFailedMessage.MESSAGE_TYPE:
                {
                    message = new LoginFailedMessage();
                    break;
                }

                case LoginOkMessage.MESSAGE_TYPE:
                {
                    message = new LoginOkMessage();
                    break;
                }

                case FriendListMessage.MESSAGE_TYPE:
                {
                    message = new FriendListMessage();
                    break;
                }

                case FriendListUpdateMessage.MESSAGE_TYPE:
                {
                    message = new FriendListUpdateMessage();
                    break;
                }

                case KeepAliveServerMessage.MESSAGE_TYPE:
                {
                    message = new KeepAliveServerMessage();
                    break;
                }

                case AddFriendErrorMessage.MESSAGE_TYPE:
                {
                    message = new AddFriendErrorMessage();
                    break;
                }

                case ReportUserStatusMessage.MESSAGE_TYPE:
                {
                    message = new ReportUserStatusMessage();
                    break;
                }

                case UnlockAccountOkMessage.MESSAGE_TYPE:
                {
                    message = new UnlockAccountOkMessage();
                    break;
                }

                case UnlockAccountFailedMessage.MESSAGE_TYPE:
                {
                    message = new UnlockAccountFailedMessage();
                    break;
                }

                case AppleBillingProcessedByServerMessage.MESSAGE_TYPE:
                {
                    message = new AppleBillingProcessedByServerMessage();
                    break;
                }

                case ShutdownStartedMessage.MESSAGE_TYPE:
                {
                    message = new ShutdownStartedMessage();
                    break;
                }

                case PersonalBreakStartedMessage.MESSAGE_TYPE:
                {
                    message = new PersonalBreakStartedMessage();
                    break;
                }

                case FacebookAccountBoundMessage.MESSAGE_TYPE:
                {
                    message = new FacebookAccountBoundMessage();
                    break;
                }

                case AvatarNameChangeFailedMessage.MESSAGE_TYPE:
                {
                    message = new AvatarNameChangeFailedMessage();
                    break;
                }

                case AvatarOnlineStatusUpdated.MESSAGE_TYPE:
                {
                    message = new AvatarOnlineStatusUpdated();
                    break;
                }

                case AvatarOnlineStatusListMessage.MESSAGE_TYPE:
                {
                    message = new AvatarOnlineStatusListMessage();
                    break;
                }

                case AllianceOnlineStatusUpdatedMessage.MESSAGE_TYPE:
                {
                    message = new AllianceOnlineStatusUpdatedMessage();
                    break;
                }

                case GoogleServiceAccountBoundMessage.MESSAGE_TYPE:
                {
                    message = new GoogleServiceAccountBoundMessage();
                    break;
                }

                case GoogleServiceAccountAlreadyBoundMessage.MESSAGE_TYPE:
                {
                    message = new GoogleServiceAccountAlreadyBoundMessage();
                    break;
                }

                case AvatarNameCheckResponseMessage.MESSAGE_TYPE:
                {
                    message = new AvatarNameCheckResponseMessage();
                    break;
                }

                case AcceptFriendErrorMessage.MESSAGE_TYPE:
                {
                    message = new AcceptFriendErrorMessage();
                    break;
                }

                case OwnHomeDataMessage.MESSAGE_TYPE:
                {
                    message = new OwnHomeDataMessage();
                    break;
                }

                case AttackHomeFailedMessage.MESSAGE_TYPE:
                {
                    message = new AttackHomeFailedMessage();
                    break;
                }

                case OutOfSyncMessage.MESSAGE_TYPE:
                {
                    message = new OutOfSyncMessage();
                    break;
                }

                case EnemyHomeDataMessage.MESSAGE_TYPE:
                {
                    message = new EnemyHomeDataMessage();
                    break;
                }

                case AvailableServerCommandMessage.MESSAGE_TYPE:
                {
                    message = new AvailableServerCommandMessage();
                    break;
                }

                case WaitingToGoHomeMessage.MESSAGE_TYPE:
                {
                    message = new WaitingToGoHomeMessage();
                    break;
                }

                case VisitedHomeDataMessage.MESSAGE_TYPE:
                {
                    message = new VisitedHomeDataMessage();
                    break;
                }

                case HomeBattleReplayDataMessage.MESSAGE_TYPE:
                {
                    message = new HomeBattleReplayDataMessage();
                    break;
                }

                case ServerErrorMessage.MESSAGE_TYPE:
                {
                    message = new ServerErrorMessage();
                    break;
                }

                case HomeBattleReplayFailedMessage.MESSAGE_TYPE:
                {
                    message = new HomeBattleReplayFailedMessage();
                    break;
                }

                case LiveReplayHeaderMessage.MESSAGE_TYPE:
                {
                    message = new LiveReplayHeaderMessage();
                    break;
                }

                case LiveReplayDataMessage.MESSAGE_TYPE:
                {
                    message = new LiveReplayDataMessage();
                    break;
                }

                case ChallengeFailedMessage.MESSAGE_TYPE:
                {
                    message = new ChallengeFailedMessage();
                    break;
                }

                case VisitFailedMessage.MESSAGE_TYPE:
                {
                    message = new VisitFailedMessage();
                    break;
                }

                case AttackSpectatorCountMessage.MESSAGE_TYPE:
                {
                    message = new AttackSpectatorCountMessage();
                    break;
                }

                case LiveReplayEndMessage.MESSAGE_TYPE:
                {
                    message = new LiveReplayEndMessage();
                    break;
                }

                case LiveReplayFailedMessage.MESSAGE_TYPE:
                {
                    message = new LiveReplayFailedMessage();
                    break;
                }

                case NpcDataMessage.MESSAGE_TYPE:
                {
                    message = new NpcDataMessage();
                    break;
                }

                case AllianceDataMessage.MESSAGE_TYPE:
                {
                    message = new AllianceDataMessage();
                    break;
                }

                case AllianceJoinFailedMessage.MESSAGE_TYPE:
                {
                    message = new AllianceJoinFailedMessage();
                    break;
                }

                case JoinableAllianceListMessage.MESSAGE_TYPE:
                {
                    message = new JoinableAllianceListMessage();
                    break;
                }

                case AllianceListMessage.MESSAGE_TYPE:
                {
                    message = new AllianceListMessage();
                    break;
                }

                case AllianceStreamMessage.MESSAGE_TYPE:
                {
                    message = new AllianceStreamMessage();
                    break;
                }

                case AllianceStreamEntryMessage.MESSAGE_TYPE:
                {
                    message = new AllianceStreamEntryMessage();
                    break;
                }

                case AllianceStreamEntryRemovedMessage.MESSAGE_TYPE:
                {
                    message = new AllianceStreamEntryRemovedMessage();
                    break;
                }

                case AllianceJoinRequestOkMessage.MESSAGE_TYPE:
                {
                    message = new AllianceJoinRequestOkMessage();
                    break;
                }

                case AllianceJoinRequestFailedMessage.MESSAGE_TYPE:
                {
                    message = new AllianceJoinRequestFailedMessage();
                    break;
                }

                case AllianceInvitationSendFailedMessage.MESSAGE_TYPE:
                {
                    message = new AllianceInvitationSendFailedMessage();
                    break;
                }

                case AllianceInvitationSentOkMessage.MESSAGE_TYPE:
                {
                    message = new AllianceInvitationSentOkMessage();
                    break;
                }

                case AllianceFullEntryUpdateMessage.MESSAGE_TYPE:
                {
                    message = new AllianceFullEntryUpdateMessage();
                    break;
                }

                case AllianceWarSearchDataMessage.MESSAGE_TYPE:
                {
                    message = new AllianceWarSearchDataMessage();
                    break;
                }

                case AllianceWarDataMessage.MESSAGE_TYPE:
                {
                    message = new AllianceWarDataMessage();
                    break;
                }

                case AllianceCreateFailedMessage.MESSAGE_TYPE:
                {
                    message = new AllianceCreateFailedMessage();
                    break;
                }

                case AvatarProfileMessage.MESSAGE_TYPE:
                {
                    message = new AvatarProfileMessage();
                    break;
                }

                case AllianceWarFullEntryMessage.MESSAGE_TYPE:
                {
                    message = new AllianceWarFullEntryMessage();
                    break;
                }

                case AllianceWarDataFailedMessage.MESSAGE_TYPE:
                {
                    message = new AllianceWarDataFailedMessage();
                    break;
                }

                case AllianceWarHistoryMessage.MESSAGE_TYPE:
                {
                    message = new AllianceWarHistoryMessage();
                    break;
                }

                case AvatarProfileFailedMessage.MESSAGE_TYPE:
                {
                    message = new AvatarProfileFailedMessage();
                    break;
                }

                case BookmarksListMessage.MESSAGE_TYPE:
                {
                    message = new BookmarksListMessage();
                    break;
                }

                case AllianceBookmarksFullDataMessage.MESSAGE_TYPE:
                {
                    message = new AllianceBookmarksFullDataMessage();
                    break;
                }

                case Village2AttackEntryListMessage.MESSAGE_TYPE:
                {
                    message = new Village2AttackEntryListMessage();
                    break;
                }

                case Village2AttackEntryUpdateMessage.MESSAGE_TYPE:
                {
                    message = new Village2AttackEntryUpdateMessage();
                    break;
                }

                case Village2AttackEntryAddedMessage.MESSAGE_TYPE:
                {
                    message = new Village2AttackEntryAddedMessage();
                    break;
                }

                case Village2AttackEntryRemovedMessage.MESSAGE_TYPE:
                {
                    message = new Village2AttackEntryRemovedMessage();
                    break;
                }

                case AllianceRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AllianceRankingListMessage();
                    break;
                }

                case AllianceLocalRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AllianceLocalRankingListMessage();
                    break;
                }

                case AvatarRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AvatarRankingListMessage();
                    break;
                }

                case AvatarLocalRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AvatarLocalRankingListMessage();
                    break;
                }

                case AvatarLastSeasonRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AvatarLastSeasonRankingListMessage();
                    break;
                }

                case AvatarDuelLocalRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AvatarDuelLocalRankingListMessage();
                    break;
                }

                case AvatarDuelLastSeasonRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AvatarDuelLastSeasonRankingListMessage();
                    break;
                }

                case AvatarDuelRankingListMessage.MESSAGE_TYPE:
                {
                    message = new AvatarDuelRankingListMessage();
                    break;
                }

                case AvatarStreamMessage.MESSAGE_TYPE:
                {
                    message = new AvatarStreamMessage();
                    break;
                }

                case AvatarStreamEntryMessage.MESSAGE_TYPE:
                {
                    message = new AvatarStreamEntryMessage();
                    break;
                }

                case AvatarStreamEntryRemovedMessage.MESSAGE_TYPE:
                {
                    message = new AvatarStreamEntryRemovedMessage();
                    break;
                }

                case LeagueMemberListMessage.MESSAGE_TYPE:
                {
                    message = new LeagueMemberListMessage();
                    break;
                }

                case GlobalChatLineMessage.MESSAGE_TYPE:
                {
                    message = new GlobalChatLineMessage();
                    break;
                }

                case AllianceWarEventMessage.MESSAGE_TYPE:
                {
                    message = new AllianceWarEventMessage();
                    break;
                }

                case FriendlyScoutHomeDataMessage.MESSAGE_TYPE:
                {
                    message = new FriendlyScoutHomeDataMessage();
                    break;
                }

                case Village2AttackAvatarDataMessage.MESSAGE_TYPE:
                {
                    message = new Village2AttackAvatarDataMessage();
                    break;
                }

                case AttackEventMessage.MESSAGE_TYPE:
                {
                    message = new AttackEventMessage();
                    break;
                }

                case TitanDisconnectedMessage.MESSAGE_TYPE:
                {
                    message = new DisconnectedMessage();
                    break;
                }

                case CryptoErrorMessage.MESSAGE_TYPE:
                {
                    message = new CryptoErrorMessage();
                    break;
                }
                }
            }

            return(message);
        }
        private int OnReceive(byte[] buffer, int length)
        {
            if (length >= Messaging.PACKET_HEADER_LENGTH)
            {
                Messaging.ReadHeader(buffer, out int messageType, out int messageLength, out int messageVersion);

                if (length >= Messaging.PACKET_HEADER_LENGTH + messageLength)
                {
                    byte[] encryptedBytes = new byte[messageLength];
                    byte[] encodingBytes;

                    Buffer.BlockCopy(buffer, Messaging.PACKET_HEADER_LENGTH, encryptedBytes, 0, messageLength);

                    int encodingLength;

                    if (this.m_receiveEncrypter != null)
                    {
                        encodingLength = messageLength - this.m_receiveEncrypter.GetOverheadEncryption();
                        encodingBytes  = new byte[encodingLength];

                        this.m_receiveEncrypter.Decrypt(encryptedBytes, encodingBytes, encodingLength);
                    }
                    else
                    {
                        encodingLength = messageLength;
                        encodingBytes  = encryptedBytes;
                    }

                    PiranhaMessage piranhaMessage = this.m_messageFactory.CreateMessageByType(messageType);

                    if (piranhaMessage != null)
                    {
                        piranhaMessage.SetMessageVersion(messageVersion);
                        piranhaMessage.GetByteStream().SetByteArray(encodingBytes, encodingLength);
                        piranhaMessage.Decode();

                        if (piranhaMessage.GetMessageType() != ExtendedSetEncryptionMessage.MESSAGE_TYPE)
                        {
                            this.m_receiveQueue.Enqueue(piranhaMessage);
                        }
                        else
                        {
                            ExtendedSetEncryptionMessage extendedSetEncryptionMessage = (ExtendedSetEncryptionMessage)piranhaMessage;
                            byte[] nonce = extendedSetEncryptionMessage.RemoveNonce();

                            switch (extendedSetEncryptionMessage.GetNonceMethod())
                            {
                            case 1:
                                this.ScrambleNonceUsingMersenneTwister(nonce);
                                break;

                            default:
                                this.ScrambleNonceUsingDefaultMethod(nonce);
                                break;
                            }

                            char[] nonceChars = new char[nonce.Length];
                            for (int i = 0; i < nonce.Length; i++)
                            {
                                nonceChars[i] = (char)nonce[i];
                            }
                            this.InitEncrypters(new string(nonceChars));
                        }
                    }
                    else
                    {
                        Debugger.Warning(string.Format("Messaging.onReceive: ignoring message of unknown type {0}", messageType));
                    }

                    return(Messaging.PACKET_HEADER_LENGTH + messageLength);
                }
            }

            return(0);
        }
Exemplo n.º 4
0
        /// <summary>
        ///     Called when the gateway receive a packet.
        /// </summary>
        internal int OnReceive(byte[] packet, int length)
        {
            if (length >= 7)
            {
                length -= 7;

                int messageType    = packet[1] | packet[0] << 8;
                int messageLength  = packet[4] | packet[3] << 8 | packet[2] << 16;
                int messageVersion = packet[6] | packet[5] << 8;

                if (length >= messageLength)
                {
                    int    encodingLength    = messageLength;
                    byte[] encodingByteArray = new byte[messageLength];
                    Array.Copy(packet, 7, encodingByteArray, 0, messageLength);

                    if (this._receiveEncrypter != null)
                    {
                        byte[] encryptedByteArray = encodingByteArray;
                        byte[] decryptedByteArray = new byte[messageLength - this._receiveEncrypter.GetOverheadEncryption()];

                        this._receiveEncrypter.Decrypt(encryptedByteArray, decryptedByteArray, messageLength);

                        encodingByteArray = decryptedByteArray;
                        encodingLength   -= this._receiveEncrypter.GetOverheadEncryption();
                    }

                    PiranhaMessage message = LogicMagicMessageFactory.Instance.CreateMessageByType(messageType);

                    if (message != null)
                    {
                        message.SetMessageVersion((short)messageVersion);
                        message.GetByteStream().SetByteArray(encodingByteArray, encodingLength);

                        try
                        {
                            message.Decode();

                            if (message.GetMessageType() == 20000)
                            {
                                ExtendedSetEncryptionMessage extendedSetEncryptionMessage = (ExtendedSetEncryptionMessage)message;
                                LogicMersenneTwisterRandom   scrambler = new LogicMersenneTwisterRandom(0);

                                byte byte100 = 0;

                                for (int i = 0; i < 100; i++)
                                {
                                    byte100 = (byte)scrambler.NextInt();
                                }

                                byte[] nonce          = extendedSetEncryptionMessage.RemoveNonce();
                                string scrambledNonce = null;

                                for (int i = 0; i < nonce.Length; i++)
                                {
                                    scrambledNonce += (char)(nonce[i] ^ (byte)(scrambler.NextInt() & byte100));
                                }

                                if (this._receiveEncrypter != null)
                                {
                                    this._receiveEncrypter.Destruct();
                                    this._receiveEncrypter = null;
                                }

                                if (this._sendEncrypter != null)
                                {
                                    this._sendEncrypter.Destruct();
                                    this._sendEncrypter = null;
                                }

                                this._receiveEncrypter = new RC4Encrypter(LogicMessagingConstants.RC4_KEY, scrambledNonce);
                                this._sendEncrypter    = new RC4Encrypter(LogicMessagingConstants.RC4_KEY, scrambledNonce);
                            }
                            else
                            {
                                this.MessageManager.ReceiveMessage(message);
                            }
                        }
                        catch (Exception exception)
                        {
                            Logging.Error("Client::onReceive message decode exception, trace: " + exception);
                        }

                        Logging.Print("Client::sendMessage message " + message.GetType().Name + " received");
                    }
                    else
                    {
                        Logging.Warning("NetworkMessaging::onReceive Ignoring message of unknown type " + messageType);
                    }

                    return(messageLength + 7);
                }
            }

            return(0);
        }
        /// <summary>
        ///     Creates a message by type.
        /// </summary>
        public override PiranhaMessage CreateMessageByType(int type)
        {
            PiranhaMessage message = null;

            if (type < 20000)
            {
                switch (type)
                {
                case 10100:
                {
                    message = new ClientHelloMessage();
                    break;
                }

                case 10101:
                {
                    message = new LoginMessage();
                    break;
                }

                case 10108:
                {
                    message = new KeepAliveMessage();
                    break;
                }

                case 10113:
                {
                    message = new SetDeviceTokenMessage();
                    break;
                }

                case 10116:
                {
                    message = new ResetAccountMessage();
                    break;
                }

                case 10117:
                {
                    message = new ReportUserMessage();
                    break;
                }

                case 10118:
                {
                    message = new AccountSwitchedMessage();
                    break;
                }

                case 10150:
                {
                    message = new AppleBillingRequestMessage();
                    break;
                }

                case 10212:
                {
                    message = new ChangeAvatarNameMessage();
                    break;
                }

                case 14101:
                {
                    message = new GoHomeMessage();
                    break;
                }

                case 14102:
                {
                    message = new EndClientTurnMessage();
                    break;
                }

                case 14134:
                {
                    message = new AttackNpcMessage();
                    break;
                }

                case 14262:
                {
                    message = new BindGoogleServiceAccountMessage();
                    break;
                }

                case 14325:
                {
                    message = new AskForAvatarProfileMessage();
                    break;
                }

                case 14715:
                {
                    message = new SendGlobalChatLineMessage();
                    break;
                }
                }
            }
            else
            {
                switch (type)
                {
                case 20000:
                {
                    message = new ExtendedSetEncryptionMessage();
                    break;
                }

                case 20100:
                {
                    message = new ServerHelloMessage();
                    break;
                }

                case 20103:
                {
                    message = new LoginFailedMessage();
                    break;
                }

                case 20104:
                {
                    message = new LoginOkMessage();
                    break;
                }

                case 20108:
                {
                    message = new KeepAliveServerMessage();
                    break;
                }

                case 20117:
                {
                    message = new ReportUserStatusMessage();
                    break;
                }

                case 20151:
                {
                    message = new AppleBillingProcessedByServerMessage();
                    break;
                }

                case 20161:
                {
                    message = new ShutdownStartedMessage();
                    break;
                }

                case 20171:
                {
                    message = new PersonalBreakStartedMessage();
                    break;
                }

                case 20261:
                {
                    message = new GoogleServiceAccountBoundMessage();
                    break;
                }

                case 20262:
                {
                    message = new GoogleServiceAccountAlreadyBoundMessage();
                    break;
                }

                case 24101:
                {
                    message = new OwnHomeDataMessage();
                    break;
                }

                case 24104:
                {
                    message = new OutOfSyncMessage();
                    break;
                }

                case 24111:
                {
                    message = new AvailableServerCommand();
                    break;
                }

                case 24112:
                {
                    message = new WaitingToGoHomeMessage();
                    break;
                }

                case 24115:
                {
                    message = new ServerErrorMessage();
                    break;
                }

                case 24133:
                {
                    message = new NpcDataMessage();
                    break;
                }

                case 24334:
                {
                    message = new AvatarProfileMessage();
                    break;
                }

                case 24411:
                {
                    message = new AvatarStreamMessage();
                    break;
                }

                case 24715:
                {
                    message = new GlobalChatLineMessage();
                    break;
                }
                }
            }

            return(message);
        }
        public void InternalSend(PiranhaMessage message)
        {
            if (message.GetEncodingLength() == 0)
            {
                message.Encode();
            }

            int encodingLength = message.GetEncodingLength();
            int encryptedLength;

            byte[] encodingBytes = message.GetMessageBytes();
            byte[] encryptedBytes;

            if (this.m_sendEncrypter != null)
            {
                if (!this.m_encryptionScrambled && message.GetMessageType() == LoginOkMessage.MESSAGE_TYPE)
                {
                    byte[] nonce = Messaging.CreateNonce();

                    ExtendedSetEncryptionMessage extendedSetEncryptionMessage = new ExtendedSetEncryptionMessage();

                    extendedSetEncryptionMessage.SetNonce(nonce);
                    extendedSetEncryptionMessage.SetNonceMethod(Messaging.NONCE_METHOD);

                    this.InternalSend(extendedSetEncryptionMessage);
                    this.SetEncryption(extendedSetEncryptionMessage);
                }

                encryptedLength = encodingLength + this.m_sendEncrypter.GetOverheadEncryption();
                encryptedBytes  = new byte[encryptedLength];

                this.EncryptUsingEncrypter(encodingBytes, encryptedBytes, encodingLength);
            }
            else if (this.m_pepperState != PepperState.DISABLED)
            {
                if (this.m_pepperState == PepperState.AUTHENTIFICATION)
                {
                    if (message.GetMessageType() == ServerHelloMessage.MESSAGE_TYPE)
                    {
                        this.m_pepperState = PepperState.AUTHENTIFICATION_SERVER;
                    }

                    encryptedLength = encodingLength;
                    encryptedBytes  = encodingBytes;
                }
                else if (this.m_pepperState == PepperState.LOGIN)
                {
                    throw new NotImplementedException();
                }
                else
                {
                    encryptedLength = encodingLength;
                    encryptedBytes  = encodingBytes;
                }
            }
            else
            {
                encryptedBytes  = encodingBytes;
                encryptedLength = encodingLength;
            }

            byte[] stream = new byte[encryptedLength + Messaging.HEADER_SIZE];

            Messaging.WriteHeader(message, stream, encryptedLength);
            Buffer.BlockCopy(encryptedBytes, 0, stream, Messaging.HEADER_SIZE, encryptedLength);

            this.m_clientConnection.Send(stream, encryptedLength + Messaging.HEADER_SIZE);
        }