Encrypt files and directories in an archive using GPG. More information: https://www.gnupg.org/documentation/manuals/gnupg/gpg_002dzip.html.
archive.gpg
using a passphrase:gpg-zip --symmetric --output archive.gpg path/to/directory
archive.gpg
into a directory of the same name:gpg-zip --decrypt path/to/archive.gpg
archive.gpg
:gpg-zip --list-archive path/to/archive.gpg