Re: Communication with card reader encrypted?

[Dirk Gottschalk via Gnupg-users]

Hi.

Am Samstag, den 25.08.2018, 21:25 +0200 schrieb Felix E. Klee:
> When I decrypt a file using an OpenPGP card, is the communication
> between a USB card reader and the GnuPG daemon encrypted? Or: Is the
> decrypted session key sent unencrypted through the cable?

This is a really interesting question. But, does this really matter got
an USB device? If there is a program on your computer, which interceps
the communication, the security of you system is already broken. So the
decrypted file itself could/would be read by a third party. The session
key is, in this moment, the least problematic thing on your system.

But, regardless of this, it is an interesting question.

Werner, please tell us. ^^

Regards,
Dirk

-- 
Dirk Gottschalk
Paulusstrasse 6-8
52064 Aachen, Germany

GPG: DDCB AF8E 0132 AA54 20AB  B864 4081 0B18 1ED8 E838
Keybase.io: https://keybase.io/dgottschalk
GitHub: https://github.com/Dirk1980ac



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Communication with card reader encrypted?

[Felix E. Klee]

When I decrypt a file using an OpenPGP card, is the communication
between a USB card reader and the GnuPG daemon encrypted? Or: Is the
decrypted session key sent unencrypted through the cable?

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Issue with pinentry GUI agent

[sunrises]

Hi all, since some days I'm having an issue with pinentry, I've set the default 
agent as pinentry-qt4
from update-alternatives (I've also tried pinentry-qt and pinentry-gnome) but 
when I run gpg --decrypt file
it's always falling on the cli for prompting the password. In 
.gnupg/gpg-agent.conf as the first line I have 
pinentry-program /usr/bin/pinentry-qt4 as well, but I don't get why it's 
ignoring it.
There's a way to debug what's going on?


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