This is a short writeup about a new feature in the rsop CLI tool: Since version 0.8.0, rsop can decrypt a GnuPG-proprietary message encryption format. GnuPG sometimes produces non-standard encrypted messages # Unfortunately, under some circumstances, GnuPG produces encrypted messages that are not compatible with the OpenPGP standard. This issue started in its 2.4.x series. GnuPG calls its proprietary format “OCB encrypted data”. However, note that practically all big Linux distributions d...