Install gajim-pgp by entering the following commands in the terminal:
sudo apt update sudo apt install gajim-pgp
Description:
Gajim plugin for PGP encryption
This Plugin adds support for the PGP encryption to Gajim according to XEP-0027.
Homepage: https://dev.gajim.org/gajim/gajim-plugins/wikis/pgpplugin
Version: 1.2.2-1
Section: universe/net