* caching of passphrases for symmetrically encrypted files
@ 2016-10-16 22:48 Jim Gomi
2016-10-17 6:02 ` Eli Zaretskii
0 siblings, 1 reply; 4+ messages in thread
From: Jim Gomi @ 2016-10-16 22:48 UTC (permalink / raw)
To: help-gnu-emacs
Since I upgraded to emacs 25.1.1 under Fedora 24, the caching of
passphrases for symmetrically encrypted files has stopped working.
According to the documentation,
https://www.gnu.org/software/emacs/manual/html_mono/epa.html#Caching-Pa
ssphrases
I can either use GnuPG 1.4, or configure gpg-agent. But I cannot get
either of these to work.
1) Using GnuPG 2.1.13
I tried adding this to ~/.gnupg/gpg-agent.conf:
allow-emacs-pinentry
but I am still asked to retype the passphrase twice when saving the
file.
Is there something else I should do?
2) Using GnuPG 1.4
I tried adding this to my .emacs file:
(setq epg-gpg-program "/usr/bin/gpg")
(setenv "GPG_AGENT_INFO" nil)
(setq epa-file-cache-passphrase-for-symmetric-encryption t)
but it had no effect.
/usr/bin/gpg is the GnuPG 1.4 executable.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: caching of passphrases for symmetrically encrypted files
2016-10-16 22:48 caching of passphrases for symmetrically encrypted files Jim Gomi
@ 2016-10-17 6:02 ` Eli Zaretskii
2016-10-18 13:13 ` Jim Gomi
0 siblings, 1 reply; 4+ messages in thread
From: Eli Zaretskii @ 2016-10-17 6:02 UTC (permalink / raw)
To: help-gnu-emacs
> From: Jim Gomi <gomi@mailup.net>
> Date: Sun, 16 Oct 2016 17:48:45 -0500
>
>
> Since I upgraded to emacs 25.1.1 under Fedora 24, the caching of
> passphrases for symmetrically encrypted files has stopped working.
>
> According to the documentation,
> https://www.gnu.org/software/emacs/manual/html_mono/epa.html#Caching-Pa
> ssphrases
> I can either use GnuPG 1.4, or configure gpg-agent. But I cannot get
> either of these to work.
>
> 1) Using GnuPG 2.1.13
> I tried adding this to ~/.gnupg/gpg-agent.conf:
>
> allow-emacs-pinentry
>
> but I am still asked to retype the passphrase twice when saving the
> file.
> Is there something else I should do?
See
https://lists.gnu.org/archive/html/emacs-devel/2014-11/msg00421.html
for how to do this with GnuPG 2.x.
> 2) Using GnuPG 1.4
> I tried adding this to my .emacs file:
>
> (setq epg-gpg-program "/usr/bin/gpg")
> (setenv "GPG_AGENT_INFO" nil)
> (setq epa-file-cache-passphrase-for-symmetric-encryption t)
>
> but it had no effect.
> /usr/bin/gpg is the GnuPG 1.4 executable.
AFAIU, you are customizing epg-gpg-program incorrectly. See
bug#24229:
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=24229
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: caching of passphrases for symmetrically encrypted files
2016-10-17 6:02 ` Eli Zaretskii
@ 2016-10-18 13:13 ` Jim Gomi
2016-10-18 14:41 ` Eli Zaretskii
0 siblings, 1 reply; 4+ messages in thread
From: Jim Gomi @ 2016-10-18 13:13 UTC (permalink / raw)
To: help-gnu-emacs
On Mon, 2016-10-17 at 09:02 +0300, Eli Zaretskii wrote:
> See
> https://lists.gnu.org/archive/html/emacs-devel/2014-11/msg00421.html
>
> for how to do this with GnuPG 2.x.
Thank you for this information.
Following those instructions I added this to the
(custom-set-variables ... ) section in .emacs :
'(epg-gpg-program "gpg2")
'(epa-pinentry-mode (quote loopback))
There is no need to alter ~/.gnupg/gpg-agent.conf
because allow-loopback-pinentry is the default.
But still I am prompted twice for the passphrase when I save a
symmetrically encrypted file.
> AFAIU, you are customizing epg-gpg-program incorrectly. See
> bug#24229:
> https://debbugs.gnu.org/cgi/bugreport.cgi?bug=24229
Thank you for this useful reference.
To make this work I had to add this to the (custom-set-variables ... )
section in .emacs :
'(epg-gpg-program "gpg")
'(epa-file-cache-passphrase-for-symmetric-encryption t)
This worked, but I would never have realized that from reading the
current documentation.
Where do I go to make suggestions about improving the documentation?
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: caching of passphrases for symmetrically encrypted files
2016-10-18 13:13 ` Jim Gomi
@ 2016-10-18 14:41 ` Eli Zaretskii
0 siblings, 0 replies; 4+ messages in thread
From: Eli Zaretskii @ 2016-10-18 14:41 UTC (permalink / raw)
To: help-gnu-emacs
> From: Jim Gomi <gomi@mailup.net>
> Date: Tue, 18 Oct 2016 08:13:27 -0500
>
> Where do I go to make suggestions about improving the documentation?
Please file a bug report using report-emacs-bug.
Thanks.
^ permalink raw reply [flat|nested] 4+ messages in thread
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2016-10-16 22:48 caching of passphrases for symmetrically encrypted files Jim Gomi
2016-10-17 6:02 ` Eli Zaretskii
2016-10-18 13:13 ` Jim Gomi
2016-10-18 14:41 ` Eli Zaretskii
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