Hello, I'm going to allow pcsc-lite to take the protocol structure in SCardTransmit as NULL which will tell the driver to use whatever protocol that is currently active. Let me know if this is conflicting to anyone. Best Regards, Dave ************************************************************* David Corcoran Internet Security/Smartcards Home: Purdue University 1008 Cherry Lane Department of Computer Science West Lafayette, IN 47906 Home: (765) 463-0096 Cell: (765) 532-6006 http://www.linuxnet.com ************************************************************* *************************************************************** Linux Smart Card Developers - M.U.S.C.L.E. (Movement for the Use of Smart Cards in a Linux Environment) http://www.linuxnet.com/smartcard/index.html ***************************************************************