Hi Robert,
because i mainly use T=0 cards, i write my APDU as TPDU ... or may be the
opposite ?!
if i well understood your suggest you transmit only Lc -1 bytes because the
last byte is supposed to be the length of expected reply (and so this
should signify that the transmitted CommandAPDU is structured for T=1);
if it's correct, and because JCWDE simulatyes a T=0 terminal, the
correction should be (in internalSendAPDU(...)):
int Lc = data.length - 6;
if (Lc > 0){
byte[] dataField = new byte[Lc];
System.arraycopy(data, 5, dataField, 0, Lc);
protocolAPDU.setDataIn(dataField);
}
furthermore, the Le parameter read from the incoming CommandAPDU can be
compare with the value returned by protocolAPDU.getLe() to (if i still well
understand) return only a part of the reply if transmitted apdu.Le is less
than received tpdu.Le.
if you, someone, can confirm that point this will help me to understang how
the CardTerminal instance is not protocol dependant when exposed through a
Slot- or CardChannel but of cause take care about used protocol for
internal process (i'm a little bit puzzled because, with using T=0 card and
when sending a case-4 command, the terminal seems to never send itself the
Get Response command (the
Java_com_ibm_opencard_terminal_pcsc10_OCFPCSC1_SCardTransmit function does
not do that, does it is performed by the PC/SC library ?)).
btw, i see that all native methods for Win32 provided by IBM use Jni naming
convention, meaning that the loadLibrary call will fail with MS-SDK < 3.2,
am i right ?
thank for your second correction, obviously it's better to set all
available information in CardID instance.
regards,
Sylvain.
At 09:01 09/03/00 +0100, Robert Panzer wrote:
>[...]
>
>In JCRECardTerminal.open(...):
>
>cardID = new CardID(this,0,socketConnect());
> ^^^^^^^
---
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> information on OpenCard---binaries, source code, documents.
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