Add gpg and gpg2

[odupuy]

https://www.gnupg.org/documentation/manuals/gnupg/index.html#SEC_Contents
Possibly onle v2?

Can be useful to sign or check any signed content

[PXMYH]

@odupuy gpg2 (2.2.3) is in latest hermes release (0.9.16), docker pull coeus77/hermes will get you it. i don't think gpg v1.x is needed?

gpg (GnuPG) 2.2.3
libgcrypt 1.8.1
Copyright (C) 2017 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <https://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

[odupuy]

We are still using 1 but 2 will be used by the time we use your image so go with 2. Possibly you could create a symbolic link from /usr/bin/gpg to gpg2’s bin