AJosephAntonyscmmicro.co.in
Date: Tue Jan 29 2008 - 03:45:58 CST

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Hi,

muscle-bounceslists.musclecard.com wrote on 01/29/2008 02:31:57 PM:

> I have one more question on that issue:
>
> I haven't been able to dislpay the fancy stars when a pinpad-key is
> pressed so far.
> According to GET_FEATURE_REQUEST my reader is capable of
GET_KEY_PRESSED,
> VERIFY_PIN_DIRECT and MODIFY_PIN_DIRECT. But by the PC/SC documentation,
> GET_KEY_PRESSED requires VERIFY_PIN_START which my reader seems to be
not
> capable of. When I try to execute GET_KEY_PRESSED I either get a
> "Transaction failed" error (if no verification is currently in
progress)
> or the command execution is blocked until the verification has finished
> (Card is opened in shared mode).
> How can I qcquire that? Somehow it has to work, as the windows driver of
> my reader does what it should.

IMHO, once, the VERIFY_PIN_START command is sent, the device moves to a
"secure" mode. but, the IFDHICCPresence command gets executed every 200ms
or so
( am not sure on the exact timing), and when that occurs, if the reader
sends
a command to update the card status, the this "secure" mode goes off which
can be a cause of thie GET_KEY_PRESSED to fail.

Cheers
Joe

>
> cheers
> Mathias
>
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