public byte[] Transceive(byte[] buffer)
{
if (buffer == null) throw new ArgumentNullException(nameof(buffer));
var sioreq = new SCARD_IO_REQUEST
{
dwProtocol = 0x2,
cbPciLength = 8
};
var rioreq = new SCARD_IO_REQUEST
{
cbPciLength = 8,
dwProtocol = 0x2
};
var receiveBuffer = new byte[255];
var rlen = receiveBuffer.Length;
Debug.WriteLine($"SmartCardConnection.Transceive: hCard = {hCard}, buffer = {buffer.ByteArrayToString()}");
var retVal = SafeNativeMethods.SCardTransmit(hCard, ref sioreq, buffer, buffer.Length, ref rioreq, receiveBuffer, ref rlen);
Helpers.CheckError(retVal);
var retBuf = new byte[rlen];
Array.Copy(receiveBuffer, retBuf, rlen);
return retBuf;
}
public static extern int SCardTransmit(IntPtr hCard, ref SCARD_IO_REQUEST pioSendRequest,
byte[] SendBuff,
int SendBuffLen,
ref SCARD_IO_REQUEST pioRecvRequest,
byte[] RecvBuff, ref int RecvBuffLen);
public static extern int SCardTransmit(IntPtr hCard, ref SCARD_IO_REQUEST pioSendRequest,
byte[] SendBuff,
int SendBuffLen,
ref SCARD_IO_REQUEST pioRecvRequest,
byte[] RecvBuff, ref int RecvBuffLen);