Re: Failed to export secret key

[Alexander Leidinger via Gnupg-users]

Am 2023-09-08 15:26, schrieb Werner Koch:

On Fri,  8 Sep 2023 13:49, Alexander Leidinger said:

2023-09-08 13:37:54 gpg-agent[94491] DBG: error calling pinentry:
Operation cancelled <Pinentry>

You clicked on CANCEL or closed the window.

No prompt at all in the console / ssh connection (and no graphics, so nothing to click on). So no manual cancelling from me.

gpg: key 89DE8BFC8A2A81F8C9BD2F7940C7373A4DE34E7C: asking agent for
the secret parts

[...]

gpg: key 89DE8BFC8A2A81F8C9BD2F7940C7373A4DE34E7C: error receiving key
from agent: Operation cancelled - skipped

the error code.

Given that you said it worked in loopback mode - I assume the pinentry
is broken and returns Cancel due to other reasons.  Did you

GPG=$(tty)
export GPG_TTY

You canceled, gpg-agent could not unprotect the key and and thus you get

% echo $GPG_TTY
/dev/pts/5

in your target's bashrc etc?  The simple tty pinentry is used and it
needs to know its tty - is /dev/pts/5 the correct one?  Try running

Yes it is:
% tty
/dev/pts/5

And there is no other one (this is a FreeBSD jail):
% ll /dev/pts
total 0
crw--w----  1 netchild tty 0x190  8 Sep. 15:36 5

pinentry on the target directly:

$ pinentry
getpin

should show the prompt.  Does it - if not, strace the process etc.

% ll /usr/local/bin/pinentry*


% pinentry
Warning: using insecure memory!
OK Pleased to meet you
getpin
pinentry-tty
PIN:
D asdf
OK
bye
OK closing connection

% pinentry-curses
Warning: using insecure memory!
OK Pleased to meet you
getpin
<courses dialog popped up in the ssh connection>
D asdf
OK
bye
OK closing connection

Bye,
Alexander.

--
http://www.Leidinger.net alexan...@leidinger.net: PGP 0x8F31830F9F2772BF
http://www.FreeBSD.org    netch...@freebsd.org  : PGP 0x8F31830F9F2772BF

I only have two pinentry binaries installed, both are not for a graphical environment: lrwxr-xr-x 1 root wheel 12B 31 Aug. 08:20 /usr/local/bin/pinentry@ -> pinentry-tty -r-xr-xr-x 1 root wheel 71K 1 Sep. 00:13 /usr/local/bin/pinentry-curses* -r-xr-xr-x 1 root wheel 61K 31 Aug. 03:00 /usr/local/bin/pinentry-tty*

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