public static void Main()
{
using (var ctx = new SCardContext()) {
ctx.Establish(SCardScope.System);
var readerNames = ctx.GetReaders();
var readerStates = ctx.GetReaderStatus(readerNames);
foreach (var state in readerStates) {
Console.WriteLine(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
Console.WriteLine("Reader: {0}\n" +
"CurrentState: {1}\n" +
"EventState: {2}\n" +
"CurrentStateValue: {3}\n" +
"EventStateValue: {4}\n" +
"UserData: {5}\n" +
"CardChangeEventCnt: {6}\n" +
"ATR: {7}",
state.ReaderName,
state.CurrentState,
state.EventState,
state.CurrentStateValue,
state.EventStateValue,
state.UserData,
state.CardChangeEventCnt,
BitConverter.ToString(state.Atr ?? new byte[0]));
state.Dispose();
}
ctx.Release();
}
Console.ReadKey();
}
private static void Main() {
// Establish Smartcard context
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 = ChooseReader(readerNames);
if (readerName == null) {
return;
}
using (var isoReader = new IsoReader(context, readerName, SCardShareMode.Shared, SCardProtocol.Any, false)) {
// Build a GET CHALLENGE command
var apdu = new CommandApdu(IsoCase.Case2Short, isoReader.ActiveProtocol) {
CLA = 0x00, // Class
Instruction = InstructionCode.GetChallenge,
P1 = 0x00, // Parameter 1
P2 = 0x00, // Parameter 2
Le = 0x08 // Expected length of the returned data
};
Console.WriteLine("Send APDU with \"GET CHALLENGE\" command: {0}", BitConverter.ToString(apdu.ToArray()));
var response = isoReader.Transmit(apdu);
Console.WriteLine("SW1 SW2 = {0:X2} {1:X2}", response.SW1, response.SW2);
if (!response.HasData) {
Console.WriteLine("No data. (Card does not understand \"GET CHALLENGE\")");
} else {
var data = response.GetData();
Console.WriteLine("Challenge: {0}", BitConverter.ToString(data));
}
}
}
Console.ReadKey();
}
static void Main(string[] args)
{
SCardContext context = new SCardContext();
context.Establish(SCardScope.System);
Console.Out.WriteLine("Context is valid? -> " + context.IsValid());
// list all (smart card) readers
Console.Out.WriteLine("Currently connected readers: ");
string[] readers = context.GetReaders();
foreach (string reader in readers)
Console.WriteLine("\t" + reader);
// list all configured reader groups
Console.Out.WriteLine("\nCurrently configured readers groups: ");
string[] groups = context.GetReaderGroups();
foreach (string group in groups)
Console.WriteLine("\t" + group);
// list readers for each group
foreach (string group in groups)
{
Console.WriteLine("\nGroup " + group + " contains ");
foreach (string reader in context.GetReaders(new string[] { group }))
Console.WriteLine("\t" + reader);
}
context.Release();
Console.Out.WriteLine("Context is valid? -> " + context.IsValid());
return;
}
public static void Main() {
using (var context = new SCardContext()) {
context.Establish(SCardScope.System);
Console.WriteLine("Context is valid? -> " + context.IsValid());
// list all (smart card) readers
Console.WriteLine("Currently connected readers: ");
var readerNames = context.GetReaders();
foreach (var readerName in readerNames) {
Console.WriteLine("\t" + readerName);
}
// list all configured reader groups
Console.WriteLine("\nCurrently configured readers groups: ");
var groupNames = context.GetReaderGroups();
foreach (var groupName in groupNames) {
Console.WriteLine("\t" + groupName);
}
// list readers for each group
foreach (var groupName in groupNames) {
Console.WriteLine("\nGroup " + groupName + " contains ");
foreach (var readerName in context.GetReaders(new[] { groupName })) {
Console.WriteLine("\t" + readerName);
}
}
context.Release();
Console.WriteLine("Context is valid? -> " + context.IsValid());
Console.ReadKey();
}
}
public CardReader(CardRemovedEvent removedEvent, CardInsertedEvent insertedEvent)
{
TS.TraceI("Constructing CardReader object.");
_systemCardContext = OpenSystemWideCardContext();
if (removedEvent != null || insertedEvent != null)
{
_monitor = new SCardMonitor(_systemCardContext);
if (removedEvent != null)
{
TS.TraceV("Monitoring removedEvent");
_monitor.CardRemoved += new CardRemovedEvent(removedEvent);
}
if (insertedEvent != null)
{
TS.TraceV("Monitoring insertedEvent");
_monitor.CardInserted += new CardInsertedEvent(insertedEvent);
}
readerNames = GetReaderNames();
foreach (string s in readerNames)
{
TS.TraceV("Reader detected: \"{0}\".", s);
}
this.StartMonitor();
TS.TraceI("Monitor started.");
}
TS.TraceI("CardReader object constructed.");
}
public string GetReaderStatus()
{
SCardContext context = new SCardContext();
context.Establish(SCardScope.System);
if (context.GetReaders().All(r => r != _connectedReader)) // Check to see if the context has _connectedReader as a reader before we use it.
{
context.Dispose();
return string.Format("{0} cannot be found in the list of connected readers", _connectedReader);
}
var state = context.GetReaderStatus(_connectedReader);
if (state == null)
{
context.Dispose();
return string.Format("Cannot get the reader status of {0}.", _connectedReader);
}
context.Dispose();
return string.Format("Name: {1}{0}Current State: {2}{0}Event State: {3}{0}" +
"Current State Value: {4}{0}Event State Value: {5}{0}" +
"User Data: {6}{0}Card Change Event Count: {7}{0}" +
"ATR: {8}{0}", Environment.NewLine, state.ReaderName, state.CurrentState,
state.EventState, state.CurrentStateValue, state.EventStateValue, state.UserData,
state.CardChangeEventCnt, state.Atr.Length == 0 ? "0" : BitConverter.ToString(state.Atr));
}
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()
{
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 void Connect()
{
Log.Debug("Connecting card reader");
try
{
CardContext = new SCardContext();
CardContext.Establish(SCardScope.System);
CardMonitor = new SCardMonitor(CardContext);
CardMonitor.CardInserted += CardInserted;
CardMonitor.CardRemoved += CardRemoved;
CardMonitor.Start(GetReader());
}
catch (Exception)
{
Disconnect();
}
if (CardContext == null || !CardContext.IsValid())
{
Log.Warn("Card reader connection failed");
Disconnect();
}
else
{
Log.Info("Card reader connected");
}
}
static void Main(string[] args)
{
// Retrieve the names of all installed readers.
SCardContext ctx = new SCardContext();
ctx.Establish(SCardScope.System);
string[] readernames = ctx.GetReaders();
/* Get the current status of each reader in "readernames".
*/
SCardReaderState[] states = ctx.GetReaderStatus(readernames);
foreach (SCardReaderState state in states)
{
Console.WriteLine(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>");
Console.WriteLine("Reader: " + state.ReaderName);
Console.WriteLine("CurrentState: " + state.CurrentState
+ " EventState: " + state.EventState + "\n"
+ "CurrentStateValue: " + state.CurrentStateValue
+ " EventStateValue: " + state.EventStateValue);
Console.WriteLine("UserData: " + state.UserData.ToString()
+ " CardChangeEventCnt: " + state.CardChangeEventCnt);
Console.WriteLine("ATR: " + StringAtr(state.ATR));
}
ctx.Release();
return;
}
static void Main() {
// Establish Smartcard context
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 = ChooseReader(readerNames);
if (readerName == null) {
return;
}
using (var isoReader = new IsoReader(context, readerName, SCardShareMode.Shared, SCardProtocol.Any, false)) {
var card = new MifareCard(isoReader);
var loadKeySuccessful = card.LoadKey(
KeyStructure.NonVolatileMemory,
0x00, // first key slot
new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF } // key
);
if (!loadKeySuccessful) {
throw new Exception("LOAD KEY failed.");
}
var authSuccessful = card.Authenticate(MSB, LSB, KeyType.KeyA, 0x00);
if (!authSuccessful) {
throw new Exception("AUTHENTICATE failed.");
}
var result = card.ReadBinary(MSB, LSB, 16);
Console.WriteLine("Result (before BINARY UPDATE): {0}",
(result != null)
? BitConverter.ToString(result)
: null);
var updateSuccessful = card.UpdateBinary(MSB, LSB, DATA_TO_WRITE);
if (!updateSuccessful) {
throw new Exception("UPDATE BINARY failed.");
}
result = card.ReadBinary(MSB, LSB, 16);
Console.WriteLine("Result (after BINARY UPDATE): {0}",
(result != null)
? BitConverter.ToString(result)
: null);
}
}
Console.ReadKey();
}
public static string[] EnumerateDevices()
{
using (var context = new SCardContext())
{
context.Establish(SCardScope.System);
context.EnsureOK();
return context.GetReaders();
}
}
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 ElectronicIdentificationData ReadAll()
{
// Create PC/SC context
string[] readerNames;
using (var context = new SCardContext())
{
context.Establish(SCardScope.System);
readerNames = context.GetReaders();
if (readerNames.Length > 0)
{
return ReadAll(readerNames[0]);
}
//TODO:Handle this better, maybe throw custom Exception
else return null;
}
}
static void Main(string[] args)
{
ConsoleKeyInfo keyinfo;
Console.WriteLine("This program will monitor all SmartCard readers and display all status changes.");
Console.WriteLine("Press a key to continue.");
keyinfo = Console.ReadKey();
// Retrieve the names of all installed readers.
SCardContext ctx = new SCardContext();
ctx.Establish(SCardScope.System);
string[] readernames = ctx.GetReaders();
ctx.Release();
if (readernames == null || readernames.Length == 0)
{
Console.WriteLine("There are currently no readers installed.");
return;
}
// Create a monitor object with its own PC/SC context.
SCardMonitor monitor = new SCardMonitor(
new SCardContext(),
SCardScope.System);
// Point the callback function(s) to the static defined methods below.
monitor.CardInserted += new CardInsertedEvent(CardInserted);
monitor.CardRemoved += new CardRemovedEvent(CardRemoved);
monitor.Initialized += new CardInitializedEvent(Initialized);
monitor.StatusChanged += new StatusChangeEvent(StatusChanged);
monitor.MonitorException += new MonitorExceptionEvent(MonitorException);
foreach (string reader in readernames)
Console.WriteLine("Start monitoring for reader " + reader + ".");
monitor.Start(readernames);
// Let the program run until the user presses a key
keyinfo = Console.ReadKey();
GC.KeepAlive(keyinfo);
// Stop monitoring
monitor.Cancel();
}
/// <summary>
/// Tries to populate the list of readers and returns it.
/// </summary>
/// <returns>Null if an error occurs. The populated string[] is successful.</returns>
public string[] PopulateReaders()
{
SCardContext context = new SCardContext();
context.Establish(SCardScope.System);
try
{
_readers = context.GetReaders();
}
catch (Exception)
{
if (_readers == null)
return null;
}
context.Dispose();
return _readers;
}
public static void Main()
{
Console.WriteLine("This program will monitor all SmartCard readers and display all status changes.");
Console.WriteLine("Press a key to continue.");
Console.ReadKey(); // Wait for user to press a key
// Retrieve the names of all installed readers.
string[] readerNames;
using (var context = new SCardContext()) {
context.Establish(SCardScope.System);
readerNames = context.GetReaders();
context.Release();
}
if (readerNames == null || readerNames.Length == 0) {
Console.WriteLine("There are currently no readers installed.");
return;
}
// Create a monitor object with its own PC/SC context.
// The context will be released after monitor.Dispose()
var monitor = new SCardMonitor(new SCardContext(), SCardScope.System);
// Point the callback function(s) to the anonymous & static defined methods below.
monitor.CardInserted += (sender, args) => DisplayEvent("CardInserted", args);
monitor.CardRemoved += (sender, args) => DisplayEvent("CardRemoved", args);
monitor.Initialized += (sender, args) => DisplayEvent("Initialized", args);
monitor.StatusChanged += StatusChanged;
monitor.MonitorException += MonitorException;
foreach (var reader in readerNames) {
Console.WriteLine("Start monitoring for reader " + reader + ".");
}
monitor.Start(readerNames);
// Let the program run until the user presses a key
Console.ReadKey();
// Stop monitoring
monitor.Cancel();
// Dispose monitor resources (SCardContext)
monitor.Dispose();
}
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();
}
public void Connect()
{
Log.Debug("Connecting card reader");
try
{
CardContext = new SCardContext();
CardContext.Establish(SCardScope.System);
}
catch (Exception)
{
Disconnect();
}
if (!CardContext.IsValid())
{
// TODO - Log.
Disconnect();
}
Log.Info("Card reader connected");
}
/// <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>
/// 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;
}
public SCardMonitor(SCardContext hContext)
{
if (hContext == null)
throw new ArgumentNullException("hContext");
this.context = hContext;
}
public SCardMonitor(SCardContext hContext, SCardScope scope)
: this(hContext)
{
hContext.Establish(scope);
}
public void Disconnect()
{
if (CardContext != null)
{
try
{
CardContext.Release();
}
catch (Exception)
{
}
finally
{
CardContext = null;
}
}
}
/// <summary>
/// Create UID reader context and wait for events.
/// </summary>
/// <exception cref="InvalidOperationException">
/// There are currently no readers installed.
/// </exception>
protected override void ExecuteContext()
{
// Retrieve the names of all installed readers.
using( Context = new SCardContext() ) {
Context.Establish( SCardScope.System );
string[] readernames = null;
try {
readernames = Context.GetReaders();
} catch( PCSCException ) {} finally {
if( null == readernames || 0 == readernames.Length ) {
Log.Error( "There are currently no readers installed." );
}
}
// Create a monitor object with its own PC/SC context.
SCardMonitor monitor = new SCardMonitor( new SCardContext(), SCardScope.System );
// Point the callback function(s) to the static defined methods below.
monitor.CardInserted += CardInserted;
if( null != readernames ) {
foreach( string reader in readernames ) {
Log.InfoFormat( "Start monitoring for reader '{0}'.", reader );
}
monitor.Start( readernames );
}
// Wait for the parent application to signal us to exit.
ExitApplication = new ManualResetEvent( false );
ExitApplication.WaitOne();
// Stop monitoring
monitor.Cancel();
}
}
/// <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>
/// Create UID reader context and wait for events.
/// </summary>
/// <exception cref="InvalidOperationException">
/// There are currently no readers installed.
/// </exception>
protected virtual void ExecuteContext()
{
try {
// Retrieve the names of all installed readers.
using( Context = new SCardContext() ) {
Context.Establish( SCardScope.System );
string[] readernames = null;
try {
Log.Info( "Attempting to retrieve connected readers..." );
readernames = Context.GetReaders();
} catch( PCSCException ) {}
SCardMonitor monitor = null;
if( null == readernames || 0 == readernames.Length ) {
//throw new InvalidOperationException( "There are currently no readers installed." );
Log.Warn( "There are currently no readers installed. Re-attempting in 10 seconds." );
if( null == RetryTimer ) {
RetryTimer = new Timer( TimeSpan.FromSeconds( 10 ).TotalMilliseconds );
RetryTimer.Elapsed += ( e, args ) => { ExecuteContext(); };
RetryTimer.Start();
}
} else {
if( null != RetryTimer ) {
RetryTimer.Stop();
RetryTimer.Dispose();
}
// Create a monitor object with its own PC/SC context.
monitor = new SCardMonitor( new SCardContext(), SCardScope.System );
// Point the callback function(s) to the static defined methods below.
monitor.CardInserted += CardInserted;
foreach( string reader in readernames ) {
Log.InfoFormat( "Start monitoring for reader '{0}'.", reader );
}
monitor.Start( readernames );
}
// Wait for the parent application to signal us to exit.
if( null == ExitApplication ) {
ExitApplication = new ManualResetEvent( false );
}
ExitApplication.WaitOne();
// Stop monitoring
if( null != monitor ) {
monitor.Cancel();
monitor.Dispose();
monitor = null;
}
}
} catch( PCSCException pcscException ) {
Log.Error( "Failed to run application", pcscException );
}
}
public SCardReader(SCardContext context)
{
this.context = context;
}
public SmartCardIO()
{
ctx = new SCardContext();
ctx.Establish(this.scope);
reader = new SCardReader(ctx);
}
public PCSCReader()
{
context = new SCardContext();
context.Establish(SCardScope.System);
readerNames = context.GetReaders();
reader = new SCardReader(context);
}