sudo + gpg - howto?

From	kjonca@poczta.onet.pl (Kamil Jońca)
Newsgroups	linux.debian.user
Subject	sudo + gpg - howto?
Date	2016-11-27 10:40 +0100
Message-ID	<sI46d-2vH-3@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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I have gpg-encrypted backups made by amanda (gnutar).
Decrypting was done by call gpg with --passphrase-fd option.

Recently I have to see some backup contensts
and as usual I wrote:
--8<---------------cut here---------------start------------->8---
sudo amrecover ...
--8<---------------cut here---------------end--------------->8---
but without success.
Some investigation suggests that gpg-agent started as 'backup' user
1. completely ignores passphrase-fd/passphrase-file option.
2. cannot run pinentry (my guess is that tty is owned by user kjonca and
pinentry should be as user backup)


So my questions are:
1. is it possible to use passphrase-fd/passphrase-file options?
2. if not, how can I configure gpg/gpgagen/sudo/whatever in order to
enter passphrase as sudo target  user?
KJ

-- 
http://stopstopnop.pl/stop_stopnop.pl_o_nas.html
można nie mieć nawet żadnego sensownego argumentu, a dzięki odpowiedniej
gestykulacji stworzyć poczucie wiarygodności.
Puls Biznesu

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sudo + gpg - howto? kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-27 10:40 +0100
  Re: sudo + gpg - howto? Michael Luecke <mluecke@mailbox.org> - 2016-11-27 12:40 +0100
    Re: sudo + gpg - howto? kjonca@poczta.onet.pl (Kamil Jońca) - 2016-11-28 14:20 +0100

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