/// <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;
}
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();
}
}
}
private byte[] ReadFileNextBlock(int offSet, int lenght)
{
TS.TraceV("Start ReadFileNextBlock, offset = \"{0}\", length = \"{1}\".", offSet, lenght);
byte[] pbRecvBuffer = new byte[lenght + 2]; //// Last 2 bytes are sw1 + sw2
byte[] offSetArr = MTVReader.Converter.IntToByteArray(offSet, 2);
byte[] lenghtArr = MTVReader.Converter.IntToByteArray(lenght, 1);
byte[] readFile = new byte[] { 0x00, 0xB0, offSetArr[0], offSetArr[1], lenghtArr[0] };
SCardError err = this.crdReader.Transmit(readFile, ref pbRecvBuffer);
if (err != SCardError.Success)
{
TS.TraceV("CardReaderException: \"{0}\".", SCardHelper.StringifyError(err));
throw new CardReaderException(err, "Unfortunately, this smart card can not be read");
}
ResponseApdu resp = new ResponseApdu(pbRecvBuffer, IsoCase.Case4Extended, this.crdReader.ActiveProtocol);
if ((resp.SW1 != 0x90) && (resp.SW2 != 0x00))
{
throw new CardReaderException(string.Format("Error reading next block for file at offset {0}, length {1}", offSet, lenght));
}
TS.TraceV("End ReadFileNextBlock.");
return resp.GetData();
}
public byte[] ReadFile(byte[] AID, byte[] FileID)
{
TS.TraceI("Readfile with AID \"{0}\" and FileID \"{1}\".", Helper.ByteArrayToString(AID), Helper.ByteArrayToString(FileID));
SelectApplet(AID);
if (FileID.Length != 0x02)
{
throw new ArgumentException("Invalid length FileID", "FileID");
}
if (this.crdReader == null)
{
throw new CardReaderException("No valid reader available");
}
byte[] pbRecvBuffer = new byte[256];
//// Send SELECT File
byte[] selectFile = new byte[] { 0x00, 0xA4, 0x02, 0x04, 0x02, FileID[0], FileID[1], 0x00 };
TS.TraceV("Select file with command: \"{0}\".", Helper.ByteArrayToString(selectFile));
/*
00 = Class
A4 = Instructie
02 = P1 (select EF under current DF)
04 = P2 (return FCP data)
02 = Lc
XX = Data
XX = Data
00 = Le
*/
SCardError err = this.crdReader.Transmit(selectFile, ref pbRecvBuffer);
if (err != SCardError.Success)
{
throw new CardReaderException(err, SCardHelper.StringifyError(err));
}
ResponseApdu resp = new ResponseApdu(pbRecvBuffer, IsoCase.Case4Extended, this.crdReader.ActiveProtocol);
if ((resp.SW1 != 0x90) && (resp.SW2 != 0x00))
{
return null;
}
byte[] fileInfo = resp.GetData();
if (fileInfo == null)
{
throw new CardReaderException(string.Format(
"No data available reading FileID \"{0}\" with AID \"{1}\".", Helper.ByteArrayToString(FileID), Helper.ByteArrayToString(AID)));
}
TLVList myanswer = TLV.Parse(new MemoryStream(fileInfo));
TLV fileLengthTLV = myanswer.getTag("1,62|1,80");
if (fileLengthTLV == null)
{
throw new CardReaderException("Missing tag: 1,62|1,80");
}
int fileLength = Helper.ByteArrayToInt(fileLengthTLV.Value);
TS.TraceV("File length = \"{0}\".", fileLength);
//// Read the remaining bytes for this file
byte[] fileData = new byte[fileLength];
int bytesRead = 0;
const int blockSize = 255;
TS.TraceV("Start reading file with blocksize \"{0}\".", blockSize);
while (bytesRead < fileLength)
{
int lngth = blockSize;
if (fileLength - bytesRead < blockSize)
{
//// Cannot read an entire block anymore; adjust length of data to read
lngth = fileLength - bytesRead;
if (lngth == 0)
{
break;
}
}
byte[] nextBlock = ReadFileNextBlock(bytesRead, lngth);
Buffer.BlockCopy(nextBlock, 0, fileData, bytesRead, nextBlock.Length);
bytesRead += nextBlock.Length;
TS.TraceV("\"{0}\" bytes read.", bytesRead);
}
TS.TraceI("File read.");
return fileData;
}
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";
}