openpgp-notes/book/source/17-versions.md

(versions)=

Differences between OpenPGP versions

:class: warning

write about the delta between v4 and v6, most of all
- a starting point? https://www.ietf.org/archive/id/draft-ietf-openpgp-crypto-refresh-12.html#name-upgrade-guidance-adapting-i