void CardConnectedCallback(SCardChannel cardChannel)
        {
            /* The CardConnected function is called as a delegate (callback) by the SCardReader object */
            /* within its backgroung thread. Therefore it is not allowed to use the UI objects.        */

            Logger.Trace("Card connected - Trying to run the transaction");


            if (!AppleVasLicense.ReadDeviceId(cardChannel))
            {
                Logger.Error("Read device ID error");
                ShowResult("Not a SpringCard device?", null, true);
                return;
            }

            if (!AppleVasLicense.Allowed(out string msg2))
            {
                Logger.Error("Not allowed to execute");
                ShowResult(string.Format("Not allowed to execute ({0})", msg2), null, true);
                return;
            }

            AppleVasTerminal terminal = new AppleVasTerminal();

            foreach (AppleVasConfig merchConfig in appleConfig.Merchants)
            {
                terminal.AddConfig(merchConfig);
            }

            if (terminal.DoTransaction(cardChannel, out AppleVasData data, out AppleVasError error))
            {
                ShowResult(null, data, true);
            }
        void CardConnectedCallback(SCardChannel cardChannel)
        {
            if (Stress)
            {
                timerFieldOff.Enabled = false;
                timerFieldOn.Enabled  = false;
            }

            Console.WriteLine("NFC link OK - Trying to run the transaction");

            TransactionCount++;

            int field_reset = 0;

            AppleVasTerminal terminal = new AppleVasTerminal(terminalConfig);

            if (terminal.DoTransaction(cardChannel, out AppleVasData data, out AppleVasError error))
            {
                if (data != null)
                {
                    ConsoleColor(ConsoleColorScheme.Success);
                    Console.WriteLine("Transaction OK, got a message:");
                    ConsoleColor(ConsoleColorScheme.Info);
                    Console.WriteLine("\tMessage: {0}", data.Text);
                    Console.WriteLine("\tTimestamp: {0}", data.Timestamp.ToString());
                    ConsoleColor();
                }
                else
                {
                    ConsoleColor(ConsoleColorScheme.Success);
                    Console.WriteLine("Transaction OK, no message");
                    ConsoleColor();
                }
                field_reset = 2000;
                TransactionOkCount++;
            }
        int Run(string[] args)
        {
            if (!ParseArgs(args))
            {
                return(1);
            }

            if (!AppleVasLicense.AutoLoad())
            {
                Logger.Info("No license file");
            }

            Logger.Debug("Loading the list of PC/SC readers");

            string[] ReaderNames = (new SCardReaderList()).Readers;

            if (ListReaders)
            {
                Console.WriteLine(string.Format("{0} PC/SC Reader(s) found", ReaderNames.Length));
                for (int i = 0; i < ReaderNames.Length; i++)
                {
                    Console.WriteLine(string.Format("{0}: {1}", i, ReaderNames[i]));
                }
                return(0);
            }

            if (ReaderName == null)
            {
                if (ReaderIndex < 0)
                {
                    ReaderIndex = 0;
                }

                Logger.Debug("Selecting the PC/SC reader at index {0}", ReaderIndex);

                if ((ReaderIndex >= ReaderNames.Length))
                {
                    Console.WriteLine("No PC/SC Reader at index {0}", ReaderIndex);
                    Console.WriteLine("Use " + ProgName + " --list-readers");
                    return(1);
                }

                ReaderName = ReaderNames[ReaderIndex];
            }

            Logger.Debug("Using PC/SC reader {0}", ReaderName);

            if (MerchantName != null)
            {
                Logger.Debug("Translating the merchant name");

                MerchantID = AppleVasConfig.ComputeId(MerchantName);
                if (!Quiet)
                {
                    Console.WriteLine("Merchant ID={0}", StrUtils.Base64UrlEncode(MerchantID));
                }
            }

            AppleVasConfig         merchantConfig = new AppleVasConfig(MerchantID);
            AppleVasTerminalConfig terminalConfig = new AppleVasTerminalConfig();

            terminalConfig.Merchants.Add(merchantConfig);

            Logger.Debug("Opening the PC/SC reader");

            SCardReader reader = new SCardReader(ReaderName);

            Logger.Debug("Expecting to find a 'smartcard'");

            SCardChannel channel = new SCardChannel(reader);

            if (!channel.CardPresent)
            {
                ConsoleError("No NFC card or smartphone on the reader");
                return(1);
            }

            Logger.Debug("Connecting to the 'smartcard'");

            if (!channel.Connect())
            {
                ConsoleError("Failed to open the communication with the NFC card or smartphone");
                return(1);
            }

            if (!AppleVasLicense.ReadDeviceId(channel))
            {
                ConsoleError("Failed to read the device ID - is it a SpringCard device?");
                return(1);
            }

            if (!AppleVasLicense.Allowed(out string msg))
            {
                ConsoleError(string.Format("Not allowed to execute ({0})", msg));
                return(1);
            }

            AppleVasError error;

            AppleVasTerminal terminal = new AppleVasTerminal(terminalConfig);

            Logger.Debug("SelectOSE APDU");

            if (!terminal.SelectOSE(channel, out error))
            {
                OutputError("SelectOSE failed", error);
                channel.Disconnect();
                return(2);
            }

            Logger.Debug("GetVasData APDU");

            if (!terminal.GetVasData(channel, terminalConfig, merchantConfig, out byte[] buffer, out error))
        int Run(string[] args)
        {
            ConsoleTitle(ProgName);

            if (!ParseArgs(args))
            {
                Console.WriteLine("Try " + ProgName + " --help");
                return(1);
            }

            if (Action == ActionE.Help)
            {
                Usage();
                return(0);
            }

            if (!AppleVasLicense.AutoLoad())
            {
                Logger.Info("No license file");
            }

            if (Action == ActionE.Version)
            {
                ConsoleColor(ConsoleColorScheme.Info);
                Console.WriteLine("SpringCard.AppleVAS library version: {0}", SpringCard.AppleVas.Library.ModuleInfo.LongVersion);
                ConsoleColor();
                return(0);
            }

            if (Action == ActionE.SelfTest)
            {
                if (!AppleVasTerminal.SelfTest())
                {
                    ConsoleColor(ConsoleColorScheme.Error);
                    Console.WriteLine("SpringCard.AppleVAS self-test failed");
                    ConsoleColor();
                    return(1);
                }
                else
                {
                    ConsoleColor(ConsoleColorScheme.Success);
                    Console.WriteLine("SpringCard.AppleVAS self-test OK");
                    ConsoleColor();
                    return(0);
                }
            }

            if (Action == ActionE.KeyId)
            {
                uint keyId = AppleVasCrypto.ECC.ComputeKeyIdFromPem(KeyInputFile);
                Console.WriteLine("{0:X08}", keyId);
                return(0);
            }

            Logger.Debug("Loading the list of PC/SC readers");

            string[] ReaderNames = (new SCardReaderList()).Readers;

            if (Action == ActionE.ListReaders)
            {
                Console.WriteLine(string.Format("{0} PC/SC Reader(s) found", ReaderNames.Length));
                for (int i = 0; i < ReaderNames.Length; i++)
                {
                    Console.WriteLine(string.Format("{0}: {1}", i, ReaderNames[i]));
                }
                return(0);
            }

            if (!File.Exists(ConfigFile))
            {
                ConsoleColor(ConsoleColorScheme.Error);
                Console.WriteLine("File {0} not found", ConfigFile);
                ConsoleColor();
                return(1);
            }

            try
            {
                terminalConfig = AppleVasTerminalConfig.LoadFromJsonFile(ConfigFile);
            }
            catch (Exception e)
            {
                ConsoleColor(ConsoleColorScheme.Error);
                Console.WriteLine("Failed to load the configuration");
                Console.WriteLine("Error: {0}", e.Message);
                ConsoleColor();
                return(1);
            }

            ConsoleColor(ConsoleColorScheme.Info);
            Console.WriteLine(terminalConfig.Description);
            ConsoleColor();

            if (ReaderName == null)
            {
                if (ReaderIndex < 0)
                {
                    ReaderIndex = 0;
                }

                Logger.Debug("Selecting the PC/SC reader at index {0}", ReaderIndex);

                if ((ReaderIndex >= ReaderNames.Length))
                {
                    ConsoleColor(ConsoleColorScheme.Error);
                    Console.WriteLine("No PC/SC Reader at index {0}", ReaderIndex);
                    Console.WriteLine("Use " + ProgName + " --list-readers to show the available reader(s)");
                    ConsoleColor();
                    return(1);
                }

                ReaderName = ReaderNames[ReaderIndex];
            }

            Logger.Debug("Using PC/SC reader {0}", ReaderName);

            if (Stress)
            {
                timerFieldOff           = new System.Timers.Timer(1000 * FieldOffAfter);
                timerFieldOff.Elapsed  += RfFieldOff;
                timerFieldOff.AutoReset = true;
                timerFieldOff.Enabled   = false;
                timerFieldOn            = new System.Timers.Timer(1000 * FieldOffLength);
                timerFieldOn.Elapsed   += RfFieldOn;
                timerFieldOn.AutoReset  = true;
                timerFieldOn.Enabled    = false;
            }

            SCardChannel directChannel = new SCardChannel(ReaderName);

            if (directChannel.ConnectDirect())
            {
                directChannel.Control(new byte[] { 0x58, 0x23, 0x00 });
                directChannel.DisconnectLeave();
            }

            terminalReader = new SCardReader(ReaderName);
            terminalReader.StartWaitCard(new SCardReader.CardConnectedCallback(CardConnectedCallback), new SCardReader.CardRemovedCallback(CardRemovedCallback));

            Console.WriteLine("Press any key to exit.");

            Console.ReadKey(true);

            Console.WriteLine("Exit required...");
            terminalReader.StopWaitCard();
            Console.WriteLine("Bye.");
            return(0);
        }
        void CardConnectedCallback(SCardChannel cardChannel)
        {
            /* The CardConnected function is called as a delegate (callback) by the SCardReader object */
            /* within its backgroung thread. Therefore it is not allowed to use the UI objects.        */


            /* Apple exhange */

            if (!AppleVasLicense.ReadDeviceId(cardChannel))
            {
                Logger.Error("Read device ID error");
                ShowResult("Not a SpringCard device?");
                return;
            }

            if (!AppleVasLicense.Allowed(out string msg2))
            {
                Logger.Error("Not allowed to execute");
                ShowResult(string.Format("Not allowed to execute ({0})", msg2));
                return;
            }

            AppleVasTerminal appleTerminal = new AppleVasTerminal();

            foreach (AppleVasConfig merchConfig in appleConfig.Merchants)
            {
                appleTerminal.AddConfig(merchConfig);
            }

            if (appleTerminal.DoTransaction(cardChannel, out AppleVasData data2, out AppleVasError error2, out RAPDU selectOseresponseApple))
            {
                ShowResult("Apple Wallet\n" + data2.Text);
                Task.Delay(5000).ContinueWith(t => resetUiEvent());
                return;
            }

            if (!GoogleVasLicense.ReadDeviceId(cardChannel))
            {
                Logger.Error("Read device ID error");
                ShowResult("Not a SpringCard device?");
                return;
            }

            if (!GoogleVasLicense.LoadCollectorId(googleConfig.CollectorId_4))
            {
                Logger.Error("Wrong Collector ID");
                ShowResult("Wrong Collector ID?");
                return;
            }

            if (!GoogleVasLicense.Allowed(out string msg1))
            {
                Logger.Error("Not allowed to execute");
                ShowResult(string.Format("Not allowed to execute ({0})", msg1));
                return;
            }

            Logger.Trace("Card connected - Trying to run the transaction");

            /* Google exhange */

            GoogleVasTerminal googleTerminal = new GoogleVasTerminal(googleConfig);

            /* Provide selectOseResponseApple to speed up the transaction */
            if (googleTerminal.DoTransaction(cardChannel, out GoogleVasData data1, out GoogleVasError error1, selectOseresponseApple))
            {
                /* Convert JSON to SpringPass data with regex */
                Regex rx = new Regex(@"[0-9a-zA-Z]+\|[a-z0-9.-_]+@[a-z.]+", RegexOptions.Compiled | RegexOptions.IgnoreCase);

                MatchCollection matches = rx.Matches(data1.GetJsonString());

                if (matches.Count >= 1)
                {
                    ShowResult("Google Smart Tap\n" + matches[0].Value);
                    Task.Delay(5000).ContinueWith(t => resetUiEvent());
                }
                else
                {
                    ShowResult("Read succeded but no SpringPass data found");
                }
                return;
            }
        }