Dear Daniel,
thanks a lot for your kind answer. I also had a feeling that the problem could
be in timeouts in low level card terminal drives. I just provided some additional
information on this problem to G&D. Hopefully it could help them to solve it.
Kind regards,
Mikhail Gordeev
>Dear Mikhail,
>
>I had a similar problem with the G&D classes when expecting big APDU answers
>(>100 bytes). The response data was incomplete (at most ~87 bytes received)
>and the status word was set to an unknown error value. I traced in the G&D
>source code and found that the method
>com.gieseckedevrient.opencard.terminal.io.SerialIO.receive(...) is called by
>the method
>com.gieseckedevrient.opencard.terminal.transport.TOManager.data(...) with a
>hardcoded timeout of 100 ms. Just for fun, I changed the timeout to 1000 ms
>and everything worked fine. It seems that returning big APDU responses takes
>too much time. Next, I will try if a call to APDU.waitExtension() on the
>JavaCard does help.
>
>Please note that I did no yet discuss this feature or bug (?) with G&D. It's
>just an ugly work-around I tried out this morning.
>
>Kind regards,
>
> Daniel Som
>-----Original Message-----
>From: Mikhail GORDEEV [mailto:[EMAIL PROTECTED]]
>Sent: Freitag, 23. Juli 1999 11:23
>To: [EMAIL PROTECTED]
>Subject: [OCF] sendCommandAPDU doesn't return all bytes
>
>
>Dear all,
>
>I'm using CartTerminal classes from Giesecke & Devrient
>and communicate to a card over PassThruCardService.
>I have noticed that response APDU doesn't always contain
>all bytes retrieved from the card (a number of last bytes is lost).
>It works fine with relatively short response APDUs.
>The problem occurs when its size is around 100 bytes.
>A serial port log shows that actually the reader returns a complete APDU.
>
>I have a feeling that it could be a bug in the G&D CardTerminal
>implementation.
>I would be thankful for any hints to solve this problem.
>
>Kind regards,
>Mikhail Gordeev
Dipl.-Ing. Mikhail Gordeev
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