static void Main()
{
using (var context = new SCardContext()) {
context.Establish(SCardScope.System);
// retrieve all reader names
var readerNames = context.GetReaders();
if (readerNames == null || readerNames.Length < 1) {
Console.WriteLine("No readers found.");
Console.ReadKey();
return;
}
// get the card status of each reader that is currently connected
foreach (var readerName in readerNames) {
using (var reader = new SCardReader(context)) {
Console.WriteLine("Trying to connect to reader {0}.", readerName);
var sc = reader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any);
if (sc == SCardError.Success) {
DisplayReaderStatus(reader);
} else {
Console.WriteLine("No card inserted or reader is reserved exclusively by another application.");
Console.WriteLine("Error message: {0}\n", SCardHelper.StringifyError(sc));
}
}
}
Console.ReadKey();
}
}
public static void connect()
{
hContext = new SCardContext();
hContext.Establish(SCardScope.System);
string[] readerList = hContext.GetReaders();
Boolean noReaders = readerList.Length <= 0;
if (noReaders)
{
throw new PCSCException(SCardError.NoReadersAvailable, "Blad czytnika");
}
Console.WriteLine("Nazwa czytnika: " + readerList[0]);
reader = new SCardReader(hContext);
err = reader.Connect(readerList[0],
SCardShareMode.Shared,
SCardProtocol.T0 | SCardProtocol.T1);
checkError(err);
switch (reader.ActiveProtocol)
{
case SCardProtocol.T0:
protocol = SCardPCI.T0;
break;
case SCardProtocol.T1:
protocol = SCardPCI.T1;
break;
default:
throw new PCSCException(SCardError.ProtocolMismatch, "nieobslugiwany protokol: "+ reader.ActiveProtocol.ToString());
}
}
static void Main(string[] args)
{
var context = new SCardContext();
context.Establish(SCardScope.System);
// Get readers
Console.WriteLine("Currently connected readers: ");
var readerNames = context.GetReaders();
foreach (var readerName in readerNames)
{
Console.WriteLine("\t" + readerName);
}
if (readerNames.Length == 0)
{
Console.WriteLine("No readers");
}
else
{
var reader = new SCardReader(context);
reader.Connect(readerNames[0], SCardShareMode.Shared, SCardProtocol.T0 | SCardProtocol.T1);
IntPtr protocol;
switch (reader.ActiveProtocol)
{
case SCardProtocol.T0:
protocol = SCardPCI.T0;
break;
case SCardProtocol.T1:
protocol = SCardPCI.T1;
break;
default:
throw new PCSCException(SCardError.ProtocolMismatch, "No protocol: " + reader.ActiveProtocol.ToString());
}
// SELECT TELECOM
SendCommand(reader, protocol, new byte[] { 0xA0, 0xA4, 0x00, 0x00, 0x02, 0x7F, 0x10, }, "SELECT TELECOM", ReadType.Bytes);
// GET RESPONSE
SendCommand(reader, protocol, new byte[] { 0xA0, 0xC0, 0x00, 0x00, 0x16 }, "GET RESPONSE", ReadType.Bytes);
// SELECT ADN
SendCommand(reader, protocol, new byte[] { 0xA0, 0xA4, 0x00, 0x00, 0x02, 0x6F, 0x3A }, "SELECT ADN", ReadType.Bytes);
// GET RESPONSE
SendCommand(reader, protocol, new byte[] { 0xA0, 0xC0, 0x00, 0x00, 0x0F }, "GET RESPONSE", ReadType.Bytes);
// READ RECORD
for (byte i = 0; i < 45; ++i)
{
SendCommand(reader, protocol, new byte[] { 0xA0, 0xB2, i, 0x04, 0x2E }, "READ RECORD", ReadType.ASCII);
}
context.Release();
}
Console.Read();
}
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>
/// Tries to connect to the selected reader.
/// </summary>
/// <returns>Null if successful. The error message if not.</returns>
public string StartMonitoringSelectedReader(string readerName)
{
if (string.IsNullOrEmpty(readerName)) return "Reader name is null or empty";
if (!_readers.Contains(readerName)) return "The reader does not exist. [Logic Error]";
_connectedReader = readerName;
SCardContext context = new SCardContext();
context.Establish(SCardScope.System);
SCardReader reader = new SCardReader(context);
SCardError result = SCardError.InternalError;
try
{
result = reader.Connect(readerName, SCardShareMode.Shared, SCardProtocol.Any);
}
catch (Exception)
{
context.Dispose();
reader.Dispose();
return SCardHelper.StringifyError(result);
}
_monitor = new SCardMonitor(new SCardContext(), SCardScope.System, true);
_monitor.Initialized += (_cardInitalised);
_monitor.CardInserted += (_cardInserted);
_monitor.CardRemoved += (_cardRemoved);
_monitor.Start(readerName);
return null;
}
/// <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)
{
try
{
SCardContext hContext = new SCardContext();
hContext.Establish(SCardScope.System);
var szReaders = hContext.GetReaders();
if (szReaders.Length <= 0)
throw new PCSCException(SCardError.NoReadersAvailable,
"Could not find any Smartcard reader.");
Console.WriteLine("reader name: " + szReaders[1]);
// Create a reader object using the existing context
SCardReader reader = new SCardReader(hContext);
// Connect to the card
SCardError err = reader.Connect(szReaders[1],
SCardShareMode.Shared,
SCardProtocol.T0 | SCardProtocol.T1);
CheckErr(err);
IntPtr pioSendPci;
switch (reader.ActiveProtocol)
{
case SCardProtocol.T0:
pioSendPci = SCardPCI.T0;
break;
case SCardProtocol.T1:
pioSendPci = SCardPCI.T1;
break;
default:
throw new PCSCException(SCardError.ProtocolMismatch,
"Protocol not supported: "
+ reader.ActiveProtocol.ToString());
}
byte[] pbRecvBuffer = new byte[256];
// Send SELECT command
// Select command 0x00, 0xA4, 0x04, 0x00,
//Length 0x08
//AID A0A1A2A3A4000301
byte[] cmd1 = new byte[] { 0x00, 0xA4, 0x04, 0x00, 0x08, 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0x00, 0x03, 0x01 };
err = reader.Transmit(pioSendPci, cmd1, ref pbRecvBuffer);
CheckErr(err);
//(6A82: The application to be selected could not be found.)
Console.Write("Select response: ");
for (int i = 0; i < pbRecvBuffer.Length; i++)
Console.Write("{0:X2} ", pbRecvBuffer[i]);
Console.WriteLine();
pbRecvBuffer = new byte[256];
// Send test command
byte[] cmd2 = new byte[] { 0x00, 0x00, 0x00, 0x00 };
err = reader.Transmit(pioSendPci, cmd2, ref pbRecvBuffer);
CheckErr(err);
Console.Write("Test commad response: ");
for (int i = 0; i < pbRecvBuffer.Length; i++)
Console.Write("{0:X2} ", pbRecvBuffer[i]);
Console.WriteLine();
hContext.Release();
}
catch (PCSCException ex)
{
Console.WriteLine("Ouch: "
+ ex.Message
+ " (" + ex.SCardError.ToString() + ")");
}
Console.ReadLine();
}
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;
}
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";
}
private SCardReader GetReader()
{
TS.TraceI("Start GetReader.");
//// Establish SCard context
SCardContext hContext = OpenSystemWideCardContext();
//// Create a reader object using the existing context
SCardReader reader = new SCardReader(hContext);
//// Connect to the card
SCardError err = reader.Connect(this.ReaderName, SCardShareMode.Shared, SCardProtocol.T0 | SCardProtocol.T1);
if (err != SCardError.Success)
{
TS.TraceV("CardReaderException: \"{0}\".", SCardHelper.StringifyError(err));
throw new CardReaderException(err, "Unfortunately, this smart card can not be read");
}
if (reader.ActiveProtocol != SCardProtocol.T0 && reader.ActiveProtocol != SCardProtocol.T1)
{
throw new CardReaderException(SCardError.ProtocolMismatch, "Protocol not supported: " + reader.ActiveProtocol.ToString());
}
TS.TraceV("AciveProtocol: \"{0}\".", reader.ActiveProtocol);
TS.TraceI("End GetReader.");
return reader;
}
public Boolean Open(string readerName = null)
{
try
{
// Establish SCard context
_hContext = new SCardContext();
_hContext.Establish(SCardScope.System);
// Create a _reader object using the existing context
_reader = new SCardReader(_hContext);
// Connect to the card
if (readerName == null || readerName == String.Empty)
{
// Retrieve the list of Smartcard _readers
string[] szReaders = _hContext.GetReaders();
if (szReaders.Length <= 0)
throw new PCSCException(SCardError.NoReadersAvailable,
"Could not find any Smartcard _reader.");
_err = _reader.Connect(szReaders[0],
SCardShareMode.Exclusive,
SCardProtocol.T0 | SCardProtocol.T1);
CheckErr(_err);
}
else
{
_err = _reader.Connect(readerName,
SCardShareMode.Exclusive,
SCardProtocol.T0 | SCardProtocol.T1);
CheckErr(_err);
}
_pioSendPci = new IntPtr();
switch (_reader.ActiveProtocol)
{
case SCardProtocol.T0:
_pioSendPci = SCardPCI.T0;
break;
case SCardProtocol.T1:
_pioSendPci = SCardPCI.T1;
break;
default:
throw new PCSCException(SCardError.ProtocolMismatch,
"Protocol not supported: "
+ _reader.ActiveProtocol.ToString());
}
string[] readerNames;
SCardProtocol proto;
SCardState state;
byte[] atr;
var sc = _reader.Status(
out readerNames, // contains the reader name(s)
out state, // contains the current state (flags)
out proto, // contains the currently used communication protocol
out atr); // contains the ATR
if (atr == null || atr.Length < 2)
{
return false;
}
if (atr[0] == 0x3B && atr[1] == 0x68) //Smart card tested with old type (Figure A.)
{
_apdu = new APDU_THAILAND_IDCARD_3B68();
}
else if (atr[0] == 0x3B && atr[1] == 0x78) //Smart card tested with new type (figure B.)
{
_apdu = new APDU_THAILAND_IDCARD_3B68();
}
else if (atr[0] == 0x3B && atr[1] == 0x67)
{
_apdu = new APDU_THAILAND_IDCARD_3B67();
}
else
{
_error_code = ECODE_UNSUPPORT_CARD;
_error_message = "Card not support";
Console.WriteLine(_error_message);
return false;
}
return true;
}
catch (PCSCException ex)
{
_error_code = ECODE_SCardError;
_error_message = "Err: " + ex.Message + " (" + ex.SCardError.ToString() + ")";
Console.WriteLine(_error_message);
return false;
}
}
static void Main(string[] args)
{
// Establish Smartcard context
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.");
// we will use the first reader for the transmit test.
string readername = readernames[0];
SCardReader reader = new SCardReader(ctx);
SCardError rc = reader.Connect(
readername,
SCardShareMode.Shared,
SCardProtocol.Any);
if (rc != SCardError.Success)
{
Console.WriteLine("Could not connect to card in reader " + readername + "\n"
+ "Error: " + SCardHelper.StringifyError(rc));
return;
}
// Build a GET CHALLENGE command
CommandApdu apdu = new CommandApdu(
IsoCase.Case2Short,
reader.ActiveProtocol);
apdu.CLA = 0x00; // Class
apdu.INS = 0x84; // Instruction: GET CHALLENGE
apdu.P1 = 0x00; // Parameter 1
apdu.P2 = 0x00; // Parameter 2
apdu.Le = 0x08; // Expected length of the returned data
// convert the APDU object into an array of bytes
byte[] cmd = apdu.ToArray();
// prepare a buffer for response APDU -> LE + 2 bytes (SW1 SW2)
byte[] outbuf = new byte[apdu.ExpectedResponseLength];
rc = reader.Transmit(
cmd,
ref outbuf);
if (rc == SCardError.Success)
{
Console.WriteLine("Ok.");
if (outbuf != null)
{
ResponseApdu response = new ResponseApdu(outbuf, apdu.Case, apdu.Protocol);
if (response.IsValid)
{
Console.WriteLine("SW1 SW2 = {0:X2} {1:X2}", response.SW1, response.SW2);
if (response.HasData)
{
Console.Write("Data: ");
for (int i = 0; i < (response.DataSize); i++)
Console.Write("{0:X2} ", response.FullApdu[i]);
Console.WriteLine("");
}
}
}
}
else
{
// Error
Console.WriteLine(SCardHelper.StringifyError(rc));
}
return;
}
/// <summary>
/// Will try to connect to the _connectedReader, see if there is a card present, and if so try to read the data.
/// </summary>
/// <returns>Either the error message or data from the card.</returns>
public string TryToReadCard()
{
SCardContext context = new SCardContext();
context.Establish(SCardScope.System);
SCardReader reader = new SCardReader(context);
SCardError result = SCardError.InternalError;
try
{
result = reader.Connect(_connectedReader, SCardShareMode.Shared, SCardProtocol.Any);
}
catch (Exception)
{
context.Dispose();
reader.Dispose();
return SCardHelper.StringifyError(result);
}
string message;
if (result == SCardError.Success)
{
string[] readerNames; SCardProtocol protocol; SCardState state; byte[] atr;
result = reader.Status(out readerNames, out state, out protocol, out atr);
if (result == SCardError.Success)
message = string.Format("Card detected:{0} Protocol: {1}{0} State: {2}{0} ATR: {3}",
Environment.NewLine, protocol, state, BitConverter.ToString(atr ?? new byte[0]));
else
message = string.Format("Unable to read from card.{0}{1}", Environment.NewLine,
SCardHelper.StringifyError(result));
}
else
message = string.Format("No card is detected (or reader reserved by another application){0} {1}",
Environment.NewLine, SCardHelper.StringifyError(result));
context.Dispose();
reader.Dispose();
return message;
}
/// <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;
}
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;
}