Proposal - variable line width for ASCII armor output

Wed Feb 26 20:40:33 CET 2020

On 2/26/2020 at 2:03 PM, "Michał Górny" <mgorny at gentoo.org> wrote:
>

>Why 'change it back'?  Unless I'm mistaken, GPG shouldn't have any 
>real
>problem with a different base64 width, as long as the overall 
>layout is
>preserved.  I've just did a quick test and GPG is entirely happy 
>with
>the result after rewrapping at 50 chars, as well as after cheap
>rewrapping with uneven lines.

Yes,
but not if the header, footer, comment line, or checksum are altered.

If a comment line is wrapped, and the new line does not begin with a ':'

Example:

This should verify:

This, with the comment line wrapped, will not:

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

just a test
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
Comment: Acts of Kindness better the World, and protect the 
Soul
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=/Rbe
-----END PGP SIGNATURE-----

And, this will verify, but needs the gpg.conf line of  
ignore-mdc-error
ignore-crc-error

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

just a test
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
Comment: Acts of Kindness better the World, and protect the Soul
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/Rbe-----END PGP SIGNATURE-----

vedaal