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Smartcard (CCID) mode only
https://forum.yubico.com/viewtopic.php?f=26&t=1611
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Author:  joeljacobson [ Thu Nov 20, 2014 10:08 am ]
Post subject:  Smartcard (CCID) mode only

In mode -m81, i.e. CCID only, a key press enables or disables the SmartCard.

Is there a way to force a key press for each sign operation? That would ensure I know at least how many signatures I have created. Otherwise an intruder with complete access of my computer could generate any number of signatures without my knowledge, by simply sniffing the PIN-code and then generating signatures while the SmartCard is enabled.

Even if I would enable the NEO SmartCard just before signing, and then quickly disable it afterwards, the intruder could of course manage to generate a signature before it's turned off.

Many thanks for any advise.

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