Hello Ludovic, All, I see at least 3 issues with auto power-off:
- under Windows (may be also on Linux) the smardcard withdrawal can lock the station; a power off of the cad will result in unexpected log-out.
- a SSO solution may/should rely on a backgroung process that controls all smartcard requests, but still one can design a solution based on an "short life time" application to gain card access (user verification, on-card context establishment) and then small clients for signature, data storage, etc, requests - such clients will expect the card to keep its context.
- JavaCard 3.0 introduces "distributed services", such a card can have running background threads w/o applications actually connected - the card behaves as a server and thus must keep a context alive.
Regards, Sylvain. Le 24/10/2010 11:56, Ludovic Rousseau a écrit :
Hello, I just implemented a new feature in pcsc-lite: card auto power on and off I describe the mechanism in an article [1] on my blog. Play with the new code, break it and report bugs :-) Bye [1] http://ludovicrousseau.blogspot.com/2010/10/card-auto-power-on-and-off.html
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