bug#43667: 11.91; unable neither to install nor upgrade from ELPA

[Ikumi Keita]

Hi Janusz,

>>>>> jsbien@mimuw.edu.pl (Janusz S. Bień) writes:
> On Tue, Sep 29 2020 at 13:24 +09, Ikumi Keita wrote:
>> Is this problem specific to auctex or common for other ELPA packages for you?

> Contacting host: elpa.gnu.org:443
> package-install-from-archive: 
> https://elpa.gnu.org/packages/dired-git-info-0.3.1.el: Bad Request

> I suspect installing from ELPA doesn't work here at all.

One possible reason for that is that the gpg key bundled with your emacs
26.1 has expired. If this is the case, the prescription at
https://elpa.gnu.org/packages/gnu-elpa-keyring-update.html
, followed by installing `gnu-elpa-keyring-update' package from ELPA,
might help.

Regards,
Ikumi Keita