Gwyneth Morgan <gwymor@xxxxxxxxxx> writes: > I believe the existing language is referring to the > "-----BEGIN PGP MESSAGE-----" format GPG outputs in RFC 1991 mode, > rather than the "-----BEGIN SIGNED MESSAGE-----" that X.509 uses. The paragraph came from 76f9d8ba (Documentation/technical: describe signature formats, 2016-06-17) that started the documentation, and predates x509 support by two years (and ssh came even later), so you're right. It couldn't possibly have meant anything newer. Thanks. > OpenSSH's signature format documentation says: > > > The Armored SSH signatures consist of a header, a base64 > encoded blob, and a footer. > > The header is the string "-----BEGIN SSH SIGNATURE-----" > followed by a newline. The footer is the string > "-----END SSH SIGNATURE-----" immediately after a newline. > > This is sufficiently similar to the nomenclature in RFC 4880 to call > these "Armor Header Line and Tail Line" without any misunderstanding (or > "footer line" if that's preferred). I did not find documentation on what > X.509 calls these. Sounds good. Thanks for due dilligence; it would make sure our nomenclature would not go out of line without a good reason.