Re: gnupg 2.2.29 -> 2.2.30 breaks symmetric decryption (and gpg-agent?)

[Sergiu Ivanov]

Leo Famulari <leo@famulari.name> [2021-12-26T23:45:23+0100]:
> On Sun, Dec 26, 2021 at 02:31:01PM +0100, Sergiu Ivanov wrote:
>> Hi,
>> 
>> I have just upgraded my Guix home on a Guix System, which took gnupg
>> from 2.2.29 to 2.2.30.  When I run gpg -v --decrypt on a file with
>> symmetric encryption, I get the following error:
>> 
>> scolobb@quark ~/tmp$ gpg -v --decrypt world.gpg 
>> gpg: AES.CFB encrypted data
>> gpg: no running gpg-agent - starting 
>> '/gnu/store/0snfzd41n430ddpq316j9v2z5fn2y62m-gnupg-2.2.30/bin/gpg-agent'
>> gpg: waiting for the agent to come up ... (5s)
>> gpg: connection to agent established
>> gpg: pinentry launched (3287 gtk2 1.1.1 /dev/pts/0 eterm-color :0 
>> 20620/1000/996 1000/998 1)
>> gpg: problem with the agent: End of file
>> gpg: encrypted with 1 passphrase
>> gpg: decryption failed: No secret key
>
> [...]
>
>> Does anyone experience similar issues?
>
> Yes, you're describing bug #52483, "GnuPG 2.2.30 cannot do symmetric
> encryption":
>
> https://issues.guix.gnu.org/52483

Oh!  Thanks for the reference, I'll subscribe to bug-guix so that I'm up
to date with bug reports.

> I just pushed commit d03aa942def0037cb32ff1d0cc2ac5d13f1a63df, which
> allows you to upgrade your gnupg package to 2.2.32, which fixes this
> bug.
>
> https://git.savannah.gnu.org/cgit/guix.git/commit/?id=d03aa942def0037cb32ff1d0cc2ac5d13f1a63df

I confirm that symmetric decryption works in guix shell gnupg after
a guix pull.

Thanks a lot for the quick answer!

-
Sergiu