This GIT repo contains the key(s) used to sign Debian/Ubuntu packages for http://deb.troglobit.com
/etc/apt/trusted.gpg.d/: contains Each actively used key to be used by
apt-key. The signatures of acquired Release files are checked against this key database. It hence contains all keys of all releases that are still supported and need to be active.
/usr/share/keyrings/troglobit-archive-keyring.gpg: the keyring of all keys actively used to sign Release files
You can list the keys within the keyring by issuing:
$ gpg /usr/share/keyrings/troglobit-archive-keyring.gpg
More information about the archive authentication feature can be found in the manpage apt-secure(8).
For information on the involved GPG commands and operations, please see: https://www.gnupg.org/gph/de/manual/r1023.html