[Muscle] Secure PIN entry with variable legth

[Mathias Tausig]

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.

cheers
Mathias