Re: Limit access to unlocked OpenPGP SmartCard?

2022-01-28 Thread Felix E. Klee
Well, I think I could extend my SPR332 [mod][1]: * Add a push-button that one has to press to close the C7 circuit for I/O. Without that button pressed, the smart card cannot communicate with the reader. That means, for every operation, one would need to hold that button, kind of

Re: Limit access to unlocked OpenPGP SmartCard?

2022-01-28 Thread Felix E. Klee
Jacob Bachmeyer via Gnupg-users writes: >> After I unlock an OpenPGP SmartCard V2.1 in my SPR332 [mod][1], […] > > Does your smartcard reader have its own keypad for entering the PIN? yes ___ Gnupg-users mailing list Gnupg-users@gnupg.org

Re: Limit access to unlocked OpenPGP SmartCard?

2022-01-27 Thread Jacob Bachmeyer via Gnupg-users
Felix E. Klee wrote: After I unlock an OpenPGP SmartCard V2.1 in my SPR332 [mod][1], I can use it to decrypt as many files as I want. While this is convenient, it is not great if the system is compromised and I forget to unplug the card reader. Is there any way to limit how long the OpenPGP

Re: Limit access to unlocked OpenPGP SmartCard?

2022-01-27 Thread Felix E. Klee
On Thu, 27 Jan 2022 at 14:54, Matthias Apitz wrote: > gpgconf --reload scdaemon Gotta try that, maybe execute it with a timer, better than nothing. Best would be if the card itself could be configured to only do a certain number of operations after being unlocked. I think everything else is

Limit access to unlocked OpenPGP SmartCard?

2022-01-27 Thread Felix E. Klee
After I unlock an OpenPGP SmartCard V2.1 in my SPR332 [mod][1], I can use it to decrypt as many files as I want. While this is convenient, it is not great if the system is compromised and I forget to unplug the card reader. Is there any way to limit how long the OpenPGP SmartCard remains