internal static extern int SCardTransmit(IntPtr hCard,
[In] ref SCard_IO_Request pioSendPci,
byte[] pbSendBuffer,
UInt32 cbSendLength,
ref SCard_IO_Request pioRecvPci,
[Out] byte[] pbRecvBuffer,
ref UInt32 pcbRecvLength
);
internal static extern int SCardTransmit(IntPtr hCard,
[In] ref SCard_IO_Request pioSendPci,
byte[] pbSendBuffer,
UInt32 cbSendLength,
ref SCard_IO_Request pioRecvPci,
[Out] byte[] pbRecvBuffer,
ref UInt32 pcbRecvLength
);
/// <summary>
/// Wraps the PCSC function
/// LONG SCardTransmit(
/// SCARDHANDLE hCard,
/// LPCSCARD_I0_REQUEST pioSendPci,
/// LPCBYTE pbSendBuffer,
/// DWORD cbSendLength,
/// LPSCARD_IO_REQUEST pioRecvPci,
/// LPBYTE pbRecvBuffer,
/// LPDWORD pcbRecvLength
/// );
/// </summary>
/// <param name="ApduCmd">APDUCommand object with the APDU to send to the card</param>
/// <returns>An APDUResponse object with the response from the card</returns>
public override APDUResponse Transmit(APDUCommand ApduCmd)
{
uint RecvLength = (uint) (ApduCmd.Le + APDUResponse.SW_LENGTH);
byte[] ApduBuffer = null;
byte[] ApduResponse = new byte[RecvLength];
SCard_IO_Request ioRequest = new SCard_IO_Request();
ioRequest.m_dwProtocol = m_nProtocol;
ioRequest.m_cbPciLength = 8;
SCard_IO_Request ioResponse = new SCard_IO_Request();
ioResponse.m_dwProtocol = m_nProtocol;
ioResponse.m_cbPciLength = 8;
// Build the command APDU
if (ApduCmd.Data == null)
{
ApduBuffer = new byte[APDUCommand.APDU_MIN_LENGTH + ((ApduCmd.Le != 0) ? 1 : 0)];
if (ApduCmd.Le != 0)
ApduBuffer[4] = (byte) ApduCmd.Le;
}
else
{
ApduBuffer = new byte[APDUCommand.APDU_MIN_LENGTH + 1 + ApduCmd.Data.Length + ((ApduCmd.Le != 0) ? 1 : 0)];
for (int nI = 0; nI < ApduCmd.Data.Length; nI++)
ApduBuffer[APDUCommand.APDU_MIN_LENGTH + 1 + nI] = ApduCmd.Data[nI];
ApduBuffer[APDUCommand.APDU_MIN_LENGTH] = (byte) ApduCmd.Data.Length;
if (ApduCmd.Le != 0)
ApduBuffer[ApduBuffer.Length - 1] = (byte)ApduCmd.Le;
}
ApduBuffer[0] = ApduCmd.Class;
ApduBuffer[1] = ApduCmd.Ins;
ApduBuffer[2] = ApduCmd.P1;
ApduBuffer[3] = ApduCmd.P2;
m_nLastError = SCardTransmit(m_hCard, ref ioRequest, ApduBuffer, (uint) ApduBuffer.Length, ref ioResponse, ApduResponse, ref RecvLength);
if (m_nLastError != 0)
{
string msg = "SCardTransmit error: " + m_nLastError;
throw new Exception(msg);
}
int sw1 = ApduResponse[ApduResponse.Length - 2] & 0xff;
int sw2 = ApduResponse[ApduResponse.Length - 1] & 0xff;
if (sw1 == 0x6c) //wrong length, read again with correct len
{
ApduBuffer = new byte[] { ApduCmd.Class, ApduCmd.Ins, ApduCmd.P1, ApduCmd.P2, (byte)sw2 };
ApduResponse = new byte[sw2 + APDUResponse.SW_LENGTH];
RecvLength = (uint)ApduResponse.Length;
m_nLastError = SCardTransmit(m_hCard, ref ioRequest, ApduBuffer, (uint)ApduBuffer.Length, ref ioResponse, ApduResponse, ref RecvLength);
if (m_nLastError != 0)
{
string msg = "SCardTransmit error: " + m_nLastError;
throw new Exception(msg);
}
sw1 = ApduResponse[ApduResponse.Length - 2] & 0xff;
sw2 = ApduResponse[ApduResponse.Length - 1] & 0xff;
}
MemoryStream ms = new MemoryStream();
ms.Write(ApduResponse, 0, ApduResponse.Length - APDUResponse.SW_LENGTH);
//while has remaining bytes to be read
while (sw1 == 0x61)
{
ApduBuffer = new byte[] { 0, 0xc0, 0, 0, (byte)sw2 }; //read sw2 number of bytes
ApduResponse = new byte[sw2 + APDUResponse.SW_LENGTH];
RecvLength = (uint)ApduResponse.Length;
m_nLastError = SCardTransmit(m_hCard, ref ioRequest, ApduBuffer, (uint)ApduBuffer.Length, ref ioResponse, ApduResponse, ref RecvLength);
if (m_nLastError != 0)
{
string msg = "SCardTransmit error: " + m_nLastError;
throw new Exception(msg);
}
sw1 = ApduResponse[ApduResponse.Length - 2] & 0xff;
sw2 = ApduResponse[ApduResponse.Length - 1] & 0xff;
if (ApduResponse.Length > APDUResponse.SW_LENGTH)
{
ms.Write(ApduResponse, 0, ApduResponse.Length - APDUResponse.SW_LENGTH);
}
}
ms.WriteByte((byte)sw1);
ms.WriteByte((byte)sw2);
return new APDUResponse(ms.ToArray());
}
/// <summary>
/// Wraps the PCSC function
/// LONG SCardTransmit(
/// SCARDHANDLE hCard,
/// LPCSCARD_I0_REQUEST pioSendPci,
/// LPCBYTE pbSendBuffer,
/// DWORD cbSendLength,
/// LPSCARD_IO_REQUEST pioRecvPci,
/// LPBYTE pbRecvBuffer,
/// LPDWORD pcbRecvLength
/// );
/// </summary>
/// <param name="ApduCmd">APDUCommand object with the APDU to send to the card</param>
/// <returns>An APDUResponse object with the response from the card</returns>
public override APDUResponse Transmit(APDUCommand ApduCmd)
{
uint RecvLength = (uint)(ApduCmd.Le + APDUResponse.SW_LENGTH);
byte[] ApduBuffer = null;
byte[] ApduResponse = new byte[RecvLength];
SCard_IO_Request ioRequest = new SCard_IO_Request();
ioRequest.m_dwProtocol = m_nProtocol;
ioRequest.m_cbPciLength = 8;
SCard_IO_Request ioResponse = new SCard_IO_Request();
ioResponse.m_dwProtocol = m_nProtocol;
ioResponse.m_cbPciLength = 8;
// Build the command APDU
if (ApduCmd.Data == null)
{
ApduBuffer = new byte[APDUCommand.APDU_MIN_LENGTH + ((ApduCmd.Le != 0) ? 1 : 0)];
if (ApduCmd.Le != 0)
{
ApduBuffer[4] = (byte)ApduCmd.Le;
}
}
else
{
ApduBuffer = new byte[APDUCommand.APDU_MIN_LENGTH + 1 + ApduCmd.Data.Length + ((ApduCmd.Le != 0) ? 1 : 0)];
for (int nI = 0; nI < ApduCmd.Data.Length; nI++)
{
ApduBuffer[APDUCommand.APDU_MIN_LENGTH + 1 + nI] = ApduCmd.Data[nI];
}
ApduBuffer[APDUCommand.APDU_MIN_LENGTH] = (byte)ApduCmd.Data.Length;
if (ApduCmd.Le != 0)
{
ApduBuffer[ApduBuffer.Length - 1] = (byte)ApduCmd.Le;
}
}
ApduBuffer[0] = ApduCmd.Class;
ApduBuffer[1] = ApduCmd.Ins;
ApduBuffer[2] = ApduCmd.P1;
ApduBuffer[3] = ApduCmd.P2;
m_nLastError = SCardTransmit(m_hCard, ref ioRequest, ApduBuffer, (uint)ApduBuffer.Length, ref ioResponse, ApduResponse, ref RecvLength);
if (m_nLastError != 0)
{
string msg = "SCardTransmit error: " + m_nLastError;
throw new Exception(msg);
}
int sw1 = ApduResponse[ApduResponse.Length - 2] & 0xff;
int sw2 = ApduResponse[ApduResponse.Length - 1] & 0xff;
if (sw1 == 0x6c) //wrong length, read again with correct len
{
ApduBuffer = new byte[] { ApduCmd.Class, ApduCmd.Ins, ApduCmd.P1, ApduCmd.P2, (byte)sw2 };
ApduResponse = new byte[sw2 + APDUResponse.SW_LENGTH];
RecvLength = (uint)ApduResponse.Length;
m_nLastError = SCardTransmit(m_hCard, ref ioRequest, ApduBuffer, (uint)ApduBuffer.Length, ref ioResponse, ApduResponse, ref RecvLength);
if (m_nLastError != 0)
{
string msg = "SCardTransmit error: " + m_nLastError;
throw new Exception(msg);
}
sw1 = ApduResponse[ApduResponse.Length - 2] & 0xff;
sw2 = ApduResponse[ApduResponse.Length - 1] & 0xff;
}
MemoryStream ms = new MemoryStream();
ms.Write(ApduResponse, 0, ApduResponse.Length - APDUResponse.SW_LENGTH);
//while has remaining bytes to be read
while (sw1 == 0x61)
{
ApduBuffer = new byte[] { 0, 0xc0, 0, 0, (byte)sw2 }; //read sw2 number of bytes
ApduResponse = new byte[sw2 + APDUResponse.SW_LENGTH];
RecvLength = (uint)ApduResponse.Length;
m_nLastError = SCardTransmit(m_hCard, ref ioRequest, ApduBuffer, (uint)ApduBuffer.Length, ref ioResponse, ApduResponse, ref RecvLength);
if (m_nLastError != 0)
{
string msg = "SCardTransmit error: " + m_nLastError;
throw new Exception(msg);
}
sw1 = ApduResponse[ApduResponse.Length - 2] & 0xff;
sw2 = ApduResponse[ApduResponse.Length - 1] & 0xff;
if (ApduResponse.Length > APDUResponse.SW_LENGTH)
{
ms.Write(ApduResponse, 0, ApduResponse.Length - APDUResponse.SW_LENGTH);
}
}
ms.WriteByte((byte)sw1);
ms.WriteByte((byte)sw2);
return(new APDUResponse(ms.ToArray()));
}
