> So there are two problems:
>
> a) why does pinentry-gtk2 get stuck?
> b) why isn't pinentry-qt4 called by gpg-protect-tool?
It's a gnupg2 bug,
https://bugzilla.redhat.com/show_bug.cgi?id=548528
I can confirm that adding "keep-display" to gpg-agent.conf as mentioned in the
bugzilla comments fixes my problem. pinentry-qt4 is called and works fine.
Cheers,
Andreas