public object Clone()
{
ResponseApdu tmp = new ResponseApdu();
tmp.response = response;
tmp.length = length;
return(tmp);
}
/// <summary>
/// Creates a clone.
/// </summary>
/// <returns>A clone of the current instance.</returns>
public virtual object Clone()
{
var tmp = new ResponseApdu {
_response = _response,
_length = _length
};
return(tmp);
}
/// <summary>
/// Creates a clone.
/// </summary>
/// <returns>A clone of the current instance.</returns>
public virtual object Clone()
{
var tmp = new ResponseApdu {
FullApdu = FullApdu,
Length = Length
};
return(tmp);
}
private ResponseApdu RetransmitOnInsufficientBuffer(CommandApdu commandApdu, ResponseApdu responseApdu,
out SCardPCI receivePci)
{
int receiveBufferLength;
var resendCmdApdu = (CommandApdu)commandApdu.Clone();
if (responseApdu.SW2 == 0)
{
resendCmdApdu.Le = 0; // 256
receiveBufferLength = 256 + 2; // 2 bytes for status word
}
else
{
resendCmdApdu.Le = responseApdu.SW2;
receiveBufferLength = responseApdu.SW2 + 2; // 2 bytes for status word
}
var receiveBuffer = new byte[receiveBufferLength];
receivePci = new SCardPCI();
try {
var sendBuffer = resendCmdApdu.ToArray();
// Shall we wait until we re-send we APDU/TPDU?
if (RetransmitWaitTime > 0)
{
Thread.Sleep(RetransmitWaitTime);
}
// send Command APDU again with new Le value
return(SimpleTransmit(
sendBuffer,
sendBuffer.Length,
resendCmdApdu.Case,
resendCmdApdu.Protocol,
receivePci,
receiveBuffer,
receiveBufferLength));
} catch (WinErrorInsufficientBufferException ex) {
throw new InvalidApduException(
$"Retransmission failed because of unsufficient buffer. Le={resendCmdApdu.Le}", ex);
} catch (InvalidOperationException ex) {
throw new InvalidApduException(
$"Got SW1={responseApdu.SW1:X}. Retransmission failed because of an invalid APDU.",
resendCmdApdu, ex);
}
}
private ResponseApdu _SimpleTransmit(byte[] cmdApdu, int cmdApduLength, IsoCase isoCase, SCardProtocol proto, SCardPCI recvPci, ref byte[] recvBuf, ref int recvBufLength)
{
SCardError sc = SCardError.UnknownError;
bool cmdSent = false;
do
{
// send Command APDU to the card
sc = reader.Transmit(
SCardPCI.GetPci(reader.ActiveProtocol),
cmdApdu,
cmdApduLength,
recvPci,
recvBuf,
ref recvBufLength);
// Do we need to resend the command APDU?
if (sc == SCardError.InsufficientBuffer &&
recvBuf.Length < recvBufLength)
{
// The response buffer was too small.
recvBuf = new byte[recvBufLength];
// Shall we wait until we re-send we APDU?
if (_retransmitWaitTime > 0)
{
Thread.Sleep(_retransmitWaitTime);
}
}
else
{
cmdSent = true;
}
} while (cmdSent == false);
if (sc == SCardError.Success)
{
ResponseApdu respApdu = new ResponseApdu(recvBuf, recvBufLength, isoCase, proto);
return(respApdu);
}
// An error occurred, throw exception..
ThrowExceptionOnSCardError(sc);
return(null);
}
public object Clone()
{
ResponseApdu tmp = new ResponseApdu();
tmp.response = response;
tmp.length = length;
return tmp;
}
private ResponseApdu IssueGetResponseCommand(CommandApdu commandApdu, ResponseApdu lastResponseApdu, Response response, SCardPCI receivePci)
{
/* The transmission system shall issue a GET RESPONSE command APDU (or TPDU)
* to the card by assigning the minimum of SW2 and Le to parameter Le (or P3)).
* Le = Le > 0 ? min(Le,SW2) : SW2
* http://www.cardwerk.com/smartcards/smartcard_standard_ISO7816-4_annex-a.aspx#AnnexA_4
*/
var le = (commandApdu.Le > 0) && (commandApdu.Le < lastResponseApdu.SW2)
? commandApdu.Le
: lastResponseApdu.SW2;
var responseApdu = lastResponseApdu;
do
{
// add the last ResponseAPDU to the Response object
response.Add(responseApdu);
response.Add(receivePci);
var getResponseApdu = ConstructGetResponseApdu(ref le);
// +2 bytes for status word
var receiveBufferLength = le == 0
? 256 + 2
: le + 2;
var receiveBuffer = new byte[receiveBufferLength];
try {
var sendBuffer = getResponseApdu.ToArray();
// Shall we wait until we re-send we APDU/TPDU?
if (RetransmitWaitTime > 0)
{
Thread.Sleep(RetransmitWaitTime);
}
// send Command APDU again with new Le value
responseApdu = SimpleTransmit(
sendBuffer,
sendBuffer.Length,
getResponseApdu.Case,
getResponseApdu.Protocol,
receivePci,
receiveBuffer,
receiveBufferLength);
} catch (WinErrorInsufficientBufferException ex) {
throw new InvalidApduException($"GET RESPONSE command failed because of unsufficient buffer (Le={getResponseApdu.Le})",
getResponseApdu, ex);
} catch (InvalidOperationException ex) {
throw new InvalidApduException(
"Got SW1=0x61. Retransmission failed because of an invalid GET RESPONSE APDU.",
getResponseApdu, ex);
}
// In case there is more data available.
le = responseApdu.SW2;
} while (
// More data available.
responseApdu.SW1 == (byte)SW1Code.NormalDataResponse ||
// Warning condition: data may be corrupted. Iso7816-4 7.1.5
(responseApdu.SW1 == (byte)SW1Code.WarningNVDataNotChanged && responseApdu.SW2 == 0x81));
return(responseApdu);
}
protected internal void AddResponseApdu(ResponseApdu apdu)
{
_lstRespApdu.Add(apdu);
}
/// <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 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;
}
///// <summary>
///// Select an applet based on its AID (Application IDentifier). As for now the AID should have a length of 11 bytes.
///// </summary>
///// <param name="AID">Application Identifier. An 11 byte array that represents the applet to select</param>
private void SelectApplet(byte[] AID)
{
TS.TraceI("Start SelectApplet with ID \"{0}\".", Helper.ByteArrayToString(AID));
this.crdReader = GetReader();
byte[] pbRecvBuffer = new byte[256];
if (AID.Length != 0x0B)
{
throw new ArgumentException("Invalid length AID", "AID");
}
//// Send SELECT Applet command
byte[] selectApplet = new byte[] { 0x00, 0xA4, 0x04, 0x00, 0x0B, AID[0], AID[1], AID[2], AID[3], AID[4], AID[5], AID[6], AID[7], AID[8], AID[9], AID[10], 0x00 };
TS.TraceV("Select applet command: \"{0}\".", Helper.ByteArrayToString(selectApplet));
/////*
//// 00 = Class
//// A4 = Instructie
//// 04 = P1 = Select Dedicated File (DF)
//// 00 = P2 = File Control Information (FCI)
//// 0B = lc = Lengte van de AID
//// AID
//// 00 = End
////*/
SCardError err = crdReader.Transmit(selectApplet, 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))
{
throw new CardReaderException("Invalid response");
}
TS.TraceI("End SelectApplet.");
}
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();
}
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>
/// Creates a clone.
/// </summary>
/// <returns>A clone of the current instance.</returns>
public virtual object Clone() {
var tmp = new ResponseApdu {
FullApdu = FullApdu,
Length = Length
};
return tmp;
}
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 ResponseApdu _SimpleTransmit(byte[] cmdApdu, int cmdApduLength, IsoCase isoCase, SCardProtocol proto, SCardPCI recvPci, ref byte[] recvBuf, ref int recvBufLength)
{
SCardError sc = SCardError.UnknownError;
bool cmdSent = false;
do
{
// send Command APDU to the card
sc = reader.Transmit(
SCardPCI.GetPci(reader.ActiveProtocol),
cmdApdu,
cmdApduLength,
recvPci,
recvBuf,
ref recvBufLength);
// Do we need to resend the command APDU?
if (sc == SCardError.InsufficientBuffer &&
recvBuf.Length < recvBufLength)
{
// The response buffer was too small.
recvBuf = new byte[recvBufLength];
// Shall we wait until we re-send we APDU?
if (_retransmitWaitTime > 0)
Thread.Sleep(_retransmitWaitTime);
}
else
cmdSent = true;
} while (cmdSent == false);
if (sc == SCardError.Success)
{
ResponseApdu respApdu = new ResponseApdu(recvBuf, recvBufLength, isoCase, proto);
return respApdu;
}
// An error occurred, throw exception..
ThrowExceptionOnSCardError(sc);
return null;
}
public virtual Response Transmit(CommandApdu cmdApdu)
{
if (cmdApdu == null)
{
throw new ArgumentNullException("cmdApdu");
}
// prepare send buffer (Check Command APDU and convert it to an byte array)
byte[] sendbuf;
try
{
sendbuf = cmdApdu.ToArray();
}
catch (InvalidOperationException ex)
{
throw new InvalidApduException("Invalid APDU.", cmdApdu, ex);
}
catch (Exception ex)
{
throw ex;
}
// create Response object
Response resp = new Response();
// prepare receive buffer (Response APDU)
byte[] recvbuf = null;
int recvbuflen = cmdApdu.ExpectedResponseLength; // expected size that shall be returned
recvbuf = new byte[recvbuflen];
ResponseApdu respApdu = null;
SCardPCI recvPci = new SCardPCI();
respApdu = _SimpleTransmit(
sendbuf,
sendbuf.Length,
cmdApdu.Case, // ISO case used by the Command APDU
cmdApdu.Protocol, // Protocol used by the Command APDU
recvPci,
ref recvbuf,
ref recvbuflen);
/* Check status word SW1SW2:
*
* 1. 0x6cxx -> Set response buffer size Le <- SW2
* 2. AND/OR 0x61xx -> More data can be read with GET RESPONSE
*/
// Case 1: SW1=0x6c, Previous Le/P3 not accepted -> Set le = SW2
if (respApdu.SW1 == (byte)SW1Code.ErrorP3Incorrect)
{
CommandApdu resendCmdApdu = (CommandApdu)cmdApdu.Clone();
if (respApdu.SW2 == 0)
{
resendCmdApdu.Le = 0; // 256
recvbuflen = 256 + 2; // 2 bytes for status word
}
else
{
resendCmdApdu.Le = respApdu.SW2;
recvbuflen = respApdu.SW2 + 2; // 2 bytes for status word
}
recvbuf = new byte[recvbuflen];
recvPci = new SCardPCI();
try
{
sendbuf = resendCmdApdu.ToArray();
// Shall we wait until we re-send we APDU/TPDU?
if (_retransmitWaitTime > 0)
{
Thread.Sleep(_retransmitWaitTime);
}
// send Command APDU again with new Le value
respApdu = _SimpleTransmit(
sendbuf,
sendbuf.Length,
resendCmdApdu.Case,
resendCmdApdu.Protocol,
recvPci,
ref recvbuf,
ref recvbuflen);
}
catch (InvalidOperationException ex)
{
throw new InvalidApduException("Got SW1=0x6c. Retransmission failed because of an invalid APDU.", resendCmdApdu, ex);
}
}
// Case 2: SW1=0x61, More data available -> GET RESPONSE
if (respApdu.SW1 == (byte)SW1Code.NormalDataResponse)
{
/* The transmission system shall issue a GET RESPONSE command APDU (or TPDU)
* to the card by assigning the minimum of SW2 and Le to parameter Le (or P3)).
* Le = min(Le,SW2)
*/
int _le = (cmdApdu.Le < respApdu.SW2) ? cmdApdu.Le : respApdu.SW2;
do
{
// add the last ResponseAPDU to the Response object
resp.AddResponseApdu(respApdu);
resp.AddRecvPci(recvPci);
CommandApdu getResponseApdu = _constructGetResponseApdu(ref _le);
if (_le == 0)
{
recvbuflen = 256 + 2; // 2 bytes for status word
}
else
{
recvbuflen = _le + 2; // 2 bytes for status word
}
recvbuf = new byte[recvbuflen];
try
{
sendbuf = getResponseApdu.ToArray();
// Shall we wait until we re-send we APDU/TPDU?
if (_retransmitWaitTime > 0)
{
Thread.Sleep(_retransmitWaitTime);
}
// send Command APDU again with new Le value
respApdu = _SimpleTransmit(
sendbuf,
sendbuf.Length,
getResponseApdu.Case,
getResponseApdu.Protocol,
recvPci,
ref recvbuf,
ref recvbuflen);
}
catch (InvalidOperationException ex)
{
throw new InvalidApduException("Got SW1=0x61. Retransmission failed because of an invalid GET RESPONSE APDU.", getResponseApdu, ex);
}
// In case there is more data available.
_le = respApdu.SW2;
} while (
// More data available.
respApdu.SW1 == (byte)SW1Code.NormalDataResponse
||
// Warning condition: data may be corrupted. Iso7816-4 7.1.5
(respApdu.SW1 == (byte)SW1Code.WarningNVDataNotChanged &&
respApdu.SW2 == (byte)0x81)
);
}
resp.AddResponseApdu(respApdu);
resp.AddRecvPci(recvPci);
return(resp);
}
/// <summary>
/// Creates a clone.
/// </summary>
/// <returns>A clone of the current instance.</returns>
public virtual object Clone() {
var tmp = new ResponseApdu {
_response = _response,
_length = _length
};
return tmp;
}
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";
}