>> PKCS#11 interface define both, ui callback (notify)
>
> What is that? Can you be more specific?
I was thinking about CK_NOTIFY as a way to notify operation progress
>> Couldnt opensc provide a way to do this safely?
>> Could signed libraries solve this?
>
> What is the threat model?
> Who is the attacker and what can he do?
I was thinking about this:
if biometirc login is made using a library
opensc library<->biometric-reader library
and
opensc library<->man-in-the-middle library<->biometric-reader library
probably this is not how its supposed to be done.
> Signing a library will not solve much if the attacker has root access
> or is the user itself.
Windows csp's must be signed to be used. That was what i was thinking.
As you an see, thinking in many things, nor correct ones
:P
The question remains, anyway: how could opensc support
biometric/whatever readers?
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