On 11/05/2016 05:50 PM, Frank wrote:
Op 05-11-16 om 21:23 schreef H.S.:
Still, however, decryption my file using gpg2 does not work: it does not
ask for my passphrase on the std in and just times out. gpg1 works
though.
What am I missing?
Package I have on my testing box:
$ COLUMNS=75 dpkg -l gnupg* | grep ^i
ii gnupg 2.1.15-4 amd64 GNU privacy guard - a free PGP re
ii gnupg-agent 2.1.15-4 amd64 GNU privacy guard - cryptographic
ii gnupg-l10n 2.1.15-4 all GNU privacy guard - localization
ii gnupg1 1.4.21-1+b1 amd64 GNU privacy guard - a free PGP re
ii gnupg1-curl 1.4.21-1+b1 amd64 GNU privacy guard - a free PGP re
ii gnupg2 2.1.15-4 all GNU privacy guard - a free PGP re
Nothing obviously missing there, as far as I can tell.
The passphrase input is handled by gnupg-agent, so that's what appears
to be failing. It uses a 'pinentry' tool. On my system it usually pops
up a small graphical window, but its dependency list suggests it can
also use something terminal based if that isn't installed. There must be
something wrong with that combination. I *think* it may be related to
the second item mentioned here:
https://www.gnupg.org/documentation/manuals/gnupg-devel/Common-Problems.html
Do you have the GPG_TTY variable set up? I have mine in ~/.bashrc like
this:
export GPG_TTY=$(tty)
That was a great hint.
I tried the following.
$ GPG_TTY=$(tty) gpg -d myfile.gpg
and it popped up a graphical window asking for my passphrase. Typed in
the phrase, entered and it decripted the file.
So, this is good and/or bad, depending on how one looks at it. What I
*would* prefer is that on a tty it not ask me the passphrase via a
graphical pop up and just ask me on std in.
What happens is that when I logout from my KDE session, reboot (probably
to 'kill' gpg agen) and then login via a *virtual tty* and try to
decrpyt the same file using gpg, gpg errors out by complaining that
there is no secret key (this is with the GPG_TTY exported as you
suggested). Next, when I login to my KDE session, try the same gpg
command from a terminal, it pops up the passphrase window, which accepts
my passphrase and decrypt the file succesfully.
So, how do I tell gpg to work on std in when on a terminal instead of
relying on a graphical session?
Thanks.
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