static void Main(string[] args) { SCardContext ctx = new SCardContext(); ctx.Establish(SCardScope.System); string[] readernames = ctx.GetReaders(); if (readernames == null || readernames.Length < 1) throw new Exception("You need at least one reader in order to run this example."); // Receive the ATR of each reader by using the GetAttrib function foreach (string name in readernames) { SCardReader reader = new SCardReader(ctx); Console.Write("Trying to connect to reader.. " + name); // Connect to the reader, error if no card present. SCardError rc = reader.Connect( name, SCardShareMode.Shared, SCardProtocol.Any); if (rc == SCardError.Success) { // Reader is now connected. Console.WriteLine(" done."); // receive ATR string attribute byte[] atr; rc = reader.GetAttrib(SCardAttr.ATRString, out atr); if (rc != SCardError.Success) // ATR not supported? Console.WriteLine("Error by trying to receive the ATR. " + SCardHelper.StringifyError(rc) + "\n"); else { Console.WriteLine("ATR: " + StringAtr(atr) + "\n"); } // Disconnect reader.Disconnect(SCardReaderDisposition.Leave); } else { // Probably no SmartCard present. Console.WriteLine(" failed. " + SCardHelper.StringifyError(rc) + "\n"); } } ctx.Release(); return; }
public static void Main() { var context = new SCardContext(); context.Establish(SCardScope.System); var readerNames = context.GetReaders(); if (readerNames == null || readerNames.Length < 1) { Console.WriteLine("You need at least one reader in order to run this example."); Console.ReadKey(); return; } // Receive the ATR of each reader by using the GetAttrib function foreach (var readerName in readerNames) { var reader = new SCardReader(context); Console.Write("Trying to connect to reader.. " + readerName); // Connect to the reader, error if no card present. var rc = reader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any); if (rc != SCardError.Success) { Console.WriteLine(" failed. No smart card present? " + SCardHelper.StringifyError(rc) + "\n"); } else { Console.WriteLine(" done."); // receive ATR string attribute byte[] atr; rc = reader.GetAttrib(SCardAttribute.AtrString, out atr); if (rc != SCardError.Success) { // ATR not supported? Console.WriteLine("Error by trying to receive the ATR. {0}\n", SCardHelper.StringifyError(rc)); } else { Console.WriteLine("ATR: {0}\n", BitConverter.ToString(atr ?? new byte[] {})); } reader.Disconnect(SCardReaderDisposition.Leave); } } // We MUST release here since we didn't use the 'using(..)' statement context.Release(); Console.ReadKey(); }
/// <summary> /// Will try to connect to _connectedReader and read the card. /// </summary> /// <returns>Either the data from the card or the error message. Or if 'uidOnly' is true, just the UID prefixed with 'UID^' and ending with '^'</returns> public string ReadCard(bool uidOnly = false) { SCardContext context = new SCardContext(); context.Establish(SCardScope.System); SCardReader reader = new SCardReader(context); SCardError result = reader.Connect(_connectedReader, SCardShareMode.Shared, SCardProtocol.Any); if (result != SCardError.Success) { context.Dispose(); reader.Dispose(); return string.Format("No card is detected (or reader reserved by another application){0}{1}", Environment.NewLine, SCardHelper.StringifyError(result)); } string[] readerNames; SCardProtocol protocol; SCardState state; byte[] atr; result = reader.Status(out readerNames, out state, out protocol, out atr); if (result != SCardError.Success) { context.Dispose(); reader.Dispose(); return string.Format("Unable to read from card.{0}{1}", Environment.NewLine, SCardHelper.StringifyError(result)); } string message = string.Format("Card detected:{0}Protocol: {1}{0}State: {2}{0}ATR: {3}{0}", Environment.NewLine, protocol, state, BitConverter.ToString(atr ?? new byte[0])); CommandApdu apdu = new CommandApdu(IsoCase.Case2Short, reader.ActiveProtocol) { CLA = 0xFF, Instruction = InstructionCode.GetData, P1 = 0x00, P2 = 0x00, Le = 0 }; result = reader.BeginTransaction(); if (result != SCardError.Success) { context.Dispose(); reader.Dispose(); return string.Format("Cannot start transaction.{0} {1}", Environment.NewLine, SCardHelper.StringifyError(result)); } SCardPCI recievePci = new SCardPCI(); IntPtr sendPci = SCardPCI.GetPci(reader.ActiveProtocol); byte[] recieveBuffer = new byte[256]; result = reader.Transmit(sendPci, apdu.ToArray(), recievePci, ref recieveBuffer); if (result != SCardError.Success) { context.Dispose(); reader.Dispose(); return string.Format("Cannot transmit data.{0} {1}", Environment.NewLine, SCardHelper.StringifyError(result)); } var responseApdu = new ResponseApdu(recieveBuffer, IsoCase.Case2Short, reader.ActiveProtocol); message += string.Format("SW1: {1}{0}SW2: {2}{0}", Environment.NewLine, responseApdu.SW1, responseApdu.SW2); string data = responseApdu.HasData ? BitConverter.ToString(responseApdu.GetData()) : "--"; if (uidOnly) { context.Dispose(); reader.Dispose(); return string.Format("UID^{0}^", data); } message += string.Format("UID: {0}",data); reader.EndTransaction(SCardReaderDisposition.Leave); reader.Disconnect(SCardReaderDisposition.Reset); context.Dispose(); reader.Dispose(); return message; }
/// <summary> /// Retrieves the UID of a card that is currently connected to the given /// reader. /// </summary> /// <param name="readername"></param> /// <exception cref="Exception">Could not begin transaction.</exception> private byte[] UidFromConnectedCard( string readername ) { SCardReader rfidReader = new SCardReader( Context ); SCardError resultCode = rfidReader.Connect( readername, SCardShareMode.Shared, SCardProtocol.Any ); if( resultCode != SCardError.Success ) { throw new Exception( "Unable to connect to RFID card / chip. Error: " + SCardHelper.StringifyError( resultCode ) ); } // prepare APDU byte[] payload = new byte[] { 0xFF, // the instruction class 0xCA, // the instruction code 0x00, // parameter to the instruction 0x00, // parameter to the instruction 0x00 // size of I/O transfer }; byte[] receiveBuffer = new byte[10]; resultCode = rfidReader.BeginTransaction(); if( resultCode != SCardError.Success ) { throw new Exception( "Could not begin transaction." ); } SCardPCI ioreq = new SCardPCI(); IntPtr protocolControlInformation = SCardPCI.GetPci( rfidReader.ActiveProtocol ); resultCode = rfidReader.Transmit( protocolControlInformation, payload, ioreq, ref receiveBuffer ); if( resultCode != SCardError.Success ) { Log.Error( SCardHelper.StringifyError( resultCode ) ); receiveBuffer = null; } rfidReader.EndTransaction( SCardReaderDisposition.Leave ); rfidReader.Disconnect( SCardReaderDisposition.Reset ); return receiveBuffer; }
public static void Main() { using (var context = new SCardContext()) { context.Establish(SCardScope.System); var readerNames = context.GetReaders(); if (readerNames == null || readerNames.Length < 1) { Console.WriteLine("You need at least one reader in order to run this example."); Console.ReadKey(); return; } var readerName = ChooseRfidReader(readerNames); if (readerName == null) { return; } using (var rfidReader = new SCardReader(context)) { var sc = rfidReader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any); if (sc != SCardError.Success) { Console.WriteLine("Could not connect to reader {0}:\n{1}", readerName, SCardHelper.StringifyError(sc)); Console.ReadKey(); return; } var apdu = new CommandApdu(IsoCase.Case2Short, rfidReader.ActiveProtocol) { CLA = 0xFF, Instruction = InstructionCode.GetData, P1 = 0x00, P2 = 0x00, Le = 0 // We don't know the ID tag size }; sc = rfidReader.BeginTransaction(); if (sc != SCardError.Success) { Console.WriteLine("Could not begin transaction."); Console.ReadKey(); return; } Console.WriteLine("Retrieving the UID .... "); var receivePci = new SCardPCI(); // IO returned protocol control information. var sendPci = SCardPCI.GetPci(rfidReader.ActiveProtocol); var receiveBuffer = new byte[256]; var command = apdu.ToArray(); sc = rfidReader.Transmit( sendPci, // Protocol Control Information (T0, T1 or Raw) command, // command APDU receivePci, // returning Protocol Control Information ref receiveBuffer); // data buffer if (sc != SCardError.Success) { Console.WriteLine("Error: " + SCardHelper.StringifyError(sc)); } var responseApdu = new ResponseApdu(receiveBuffer, IsoCase.Case2Short, rfidReader.ActiveProtocol); Console.Write("SW1: {0:X2}, SW2: {1:X2}\nUid: {2}", responseApdu.SW1, responseApdu.SW2, responseApdu.HasData ? BitConverter.ToString(responseApdu.GetData()) : "No uid received"); rfidReader.EndTransaction(SCardReaderDisposition.Leave); rfidReader.Disconnect(SCardReaderDisposition.Reset); Console.ReadKey(); } } }
static void Main(string[] args) { SCardContext ctx = new SCardContext(); ctx.Establish(SCardScope.System); string[] readernames = ctx.GetReaders(); if (readernames == null || readernames.Length < 1) throw new Exception("You need at least one reader in order to run this example."); // Show available readers. Console.WriteLine("Available readers: "); for (int i = 0; i < readernames.Length; i++) Console.WriteLine("[" + i + "] " + readernames[i]); int num = 0; if (readernames.Length > 1) { // Ask the user which one to choose. Console.Write("Which reader is an RFID reader? "); string relin = Console.ReadLine(); if (!(int.TryParse(relin, out num)) || num < 0 || num > readernames.Length) { Console.WriteLine("An invalid number has been entered. Exiting."); return; } } string readername = readernames[num]; SCardReader RFIDReader = new SCardReader(ctx); SCardError rc = RFIDReader.Connect( readername, SCardShareMode.Shared, SCardProtocol.Any); if (rc != SCardError.Success) { Console.WriteLine("Unable to connect to RFID card / chip. Error: " + SCardHelper.StringifyError(rc)); return; } // prepare APDU byte[] ucByteSend = new byte[] { 0xFF, // the instruction class 0xCA, // the instruction code 0x00, // parameter to the instruction 0x00, // parameter to the instruction 0x00 // size of I/O transfer }; byte[] ucByteReceive = new byte[10]; Console.Out.WriteLine("Retrieving the UID .... "); rc = RFIDReader.BeginTransaction(); if (rc != SCardError.Success) throw new Exception("Could not begin transaction."); SCardPCI ioreq = new SCardPCI(); /* creates an empty object (null). * IO returned protocol control information. */ IntPtr sendPci = SCardPCI.GetPci(RFIDReader.ActiveProtocol); rc = RFIDReader.Transmit( sendPci, /* Protocol control information, T0, T1 and Raw * are global defined protocol header structures. */ ucByteSend, /* the actual data to be written to the card */ ioreq, /* The returned protocol control information */ ref ucByteReceive); if (rc == SCardError.Success) { Console.Write("Uid: "); for (int i = 0; i < (ucByteReceive.Length); i++) Console.Write("{0:X2} ", ucByteReceive[i]); Console.WriteLine(""); } else { Console.WriteLine("Error: " + SCardHelper.StringifyError(rc)); } RFIDReader.EndTransaction(SCardReaderDisposition.Leave); RFIDReader.Disconnect(SCardReaderDisposition.Reset); return; }
static void Main(string[] args) { SCardContext ctx = new SCardContext(); ctx.Establish(SCardScope.System); // retrieve all reader names string[] readernames = ctx.GetReaders(); if (readernames != null) { // get the card status of each reader that is currently connected foreach (string readername in readernames) { SCardReader reader = new SCardReader(ctx); Console.Write("Trying to connect to reader " + readername + ".."); SCardError serr = reader.Connect(readername, SCardShareMode.Shared, SCardProtocol.Any); if (serr == SCardError.Success) { // SmartCard inserted, reader is now connected. Console.WriteLine(" done."); string[] tmpreadernames; SCardProtocol proto; SCardState state; byte[] atr; serr = reader.Status( out tmpreadernames, // contains the reader name(s) out state, // contains the current state (flags) out proto, // contains the currently used communication protocol out atr); // contains the card ATR if (serr == SCardError.Success) { Console.WriteLine("Connected with protocol " + proto + " in state " + state); if (atr != null && atr.Length > 0) { Console.Write("Card ATR: "); foreach (byte b in atr) Console.Write("{0:X2}", b); Console.WriteLine(); } Console.WriteLine(); } else { Console.WriteLine("Unable to retrieve card status.\nError message: " + SCardHelper.StringifyError(serr) + ".\n"); } reader.Disconnect(SCardReaderDisposition.Reset); } else { /* SmardCard not inserted or reader is reserved exclusively by another application. */ Console.WriteLine(" failed.\nError message: " + SCardHelper.StringifyError(serr) + ".\n"); } } } return; }
public string ReadSmartCard() { using (var context = new SCardContext()) { context.Establish(SCardScope.System); string readerName = null; try { string[] readerNames = context.GetReaders(); readerName = readerNames[0]; } catch(Exception ex) { return "error"; } if (readerName == null) { return "error"; } using (var rfidReader = new SCardReader(context)) { var sc = rfidReader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any); if (sc != SCardError.Success) { return "error";//"Could not connect to reader {0}:\n{1}"; } var apdu = new CommandApdu(IsoCase.Case2Short, rfidReader.ActiveProtocol) { CLA = 0xFF, Instruction = InstructionCode.GetData, P1 = 0x00, P2 = 0x00, Le = 0 // We don't know the ID tag size }; sc = rfidReader.BeginTransaction(); if (sc != SCardError.Success) { return "none";// "Could not begin transaction."; } var receivePci = new SCardPCI(); // IO returned protocol control information. var sendPci = SCardPCI.GetPci(rfidReader.ActiveProtocol); var receiveBuffer = new byte[256]; var command = apdu.ToArray(); sc = rfidReader.Transmit( sendPci, // Protocol Control Information (T0, T1 or Raw) command, // command APDU receivePci, // returning Protocol Control Information ref receiveBuffer); // data buffer if (sc != SCardError.Success) { return "none";//SCardHelper.StringifyError(sc); } var responseApdu = new ResponseApdu(receiveBuffer, IsoCase.Case2Short, rfidReader.ActiveProtocol); rfidReader.EndTransaction(SCardReaderDisposition.Leave); rfidReader.Disconnect(SCardReaderDisposition.Reset); int id = responseApdu.HasData ? BitConverter.ToInt32(responseApdu.GetData(),0) : -1; //int id = responseApdu.HasData ? System.Text.Encoding.UTF8.GetString(responseApdu.GetData()) : "none"; if (id < 0) id = id * (-1); return id.ToString(); } } return "none"; }