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(); }
static void Main(string[] args) { 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; } foreach (var readerName in readerNames) { var reader = new SCardReader(context); Console.Write("Trying to connect to reader.. " + readerName); 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."); byte[] attribute = null; rc = reader.GetAttrib(SCardAttribute.VendorInterfaceDeviceTypeVersion, out attribute); if (rc != SCardError.Success) { Console.WriteLine("Error by trying to receive attribute. {0}\n", SCardHelper.StringifyError(rc)); } else { Console.WriteLine("Attribute value: {0}\n", BitConverter.ToString(attribute ?? new byte[] { })); } reader.Disconnect(SCardReaderDisposition.Leave); } } context.Release(); Console.ReadKey(); }
public string GetReaderPort(string reader) { using (var context = new SCardContext()) { context.Establish(SCardScope.System); var scReader = new SCardReader(context); SCardError error = scReader.Connect(reader, SCardShareMode.Shared, SCardProtocol.Any); byte[] port; error = scReader.GetAttrib(SCardAttribute.ChannelId, out port); context.Release(); StringBuilder builder = new StringBuilder(); foreach (var b in port) { builder.Append(Convert.ToString(b, 16)); } return(builder.ToString()); } }