private byte[] Transmit(byte[] send)
{
try
{
reader.Reconnect(SCardShareMode.Shared, SCardProtocol.Any, SCardReaderDisposition.Leave);
}
catch (NoSmartcardException)
{
return(null);
}
byte[] recv = new byte[1024];
int recvLength = reader.Transmit(send, recv);
recv = recv.Where((val, idx) => idx < recvLength).ToArray();
Console.WriteLine(string.Join("", send.Select(val => $"{val:x02}")));
Console.WriteLine(string.Join("", recv.Select(val => $"{val:x02}")));
if (!(recv[recv.Length - 2] == 0x90 && recv[recv.Length - 1] == 0x00))
{
return(null);
}
var response = recv.Where((val, idx) => 1 <= idx && idx < recv.Length - 2).ToArray();
return(response);
}
