You say it is not possible, I say I have done it. You see the program on the card can read that Le byte from the command, and then it knows how many bytes to return, voila. -- S�ren [EMAIL PROTECTED] wrote: > With the ISO 7816-3 T=0 protocol, you CANNOT send directly APDU case 4 > which is sending some data and receiving back some data (CLA INS P1 P2 Lc > Data1 Le and the answer is Data2 SW1 SW2) with only ONE command. This is > not possible. > > Christophe Colas > Bull Smart Cards & Terminals > Phone: 33 1 39 66 42 29 > Fax: 33 1 39 66 43 51 > mailto:[EMAIL PROTECTED] > Visit us at http://www.cp8.bull.net. > > S�ren Hilmer <[EMAIL PROTECTED]> sur 04/16/99 12:40:24 PM > > Veuillez r�pondre � [EMAIL PROTECTED] > > Pour : [EMAIL PROTECTED] > cc : [EMAIL PROTECTED] (ccc : Christophe Colas/FR/BULL) > Objet : Re: R�f. : [OCF-tech] Re: [OCF] Handling of T=0 Case4 etc. in > Terminals or Services ? > > Okay, I see the point about making the CardTerminals independant of how > the card handles the case 4 APDU, but it seams that everybody asumes that > the T=0 protocol needs to split APDU's into this scheme of first sending > the > command and then retrieving a 61xx response and then sending a getResponse > APDU, that is offcourse NOT the case some cards can perfectly well handle > case 4 APDU's in one go using the T=0 protocol. > > The most important thing to do is once and for all to make a decision about > the > correct CardTerminal behaviour, and even though it means some extra work > for > myself, as I have implemented a CardTerminal. I thing that hiding the > 61xx/6Cxx > stuff from the CardService is the most sensible. > > -- S�ren > > Visit the OpenCard Framework's WWW site at http://www.opencard.org/ for > access to documentation, code, presentations, and OCF announcements. > --------------------------------------------------------------------------- > -- > To unsubscribe from the OCF Mailing list, send a mail to > "[EMAIL PROTECTED]" with the word "unsubscribe" in the BODY of > the > message. Visit the OpenCard Framework's WWW site at http://www.opencard.org/ for access to documentation, code, presentations, and OCF announcements. ----------------------------------------------------------------------------- To unsubscribe from the OCF Mailing list, send a mail to "[EMAIL PROTECTED]" with the word "unsubscribe" in the BODY of the message.
