> IS cards use a deliberately weakened secure channel session key. The key
> derivation scheme is the same as with regular cards but in the end all
> even/odd bytes are replaced with a fixed value (2C or DC or some such,
> I can give you the exact info tomorrow). gpshell probably doesn't
> support this and that is why you get an error. Do you have any 'regular'
> GemXpresso cards to test with?
Unfortunately, I have no such card, but now that you tell me this, I remember
having read such a thing while casing on google. I'll try to search, but
don't hesitate to send me the info if you find it (and how I could use it
with gpshell to open a secure channed).
Thanks.
PS: I'll try a Cyperflex 64K in that case.
--
Olivier LAHAYE
Motorola Labs IT Manager
Computer & Information Systems
European Communications Research
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