Re: OpenPGP header

[Simon Josefsson <jas@extundo.com>]

Steve Youngs <steve@youngs.au.com> writes:

>   > Exactly how Gnus can determine whether the user has a working OpenPGP
>   > installation isn't obvious.  Check whether ~/.gnupg/gpg.conf exists
>   > and use the key id from the 'default-key' token in that file?
>
> And if `default-key' isn't set?  You could also take the id from
> `pgg-default-user-id'.

Yes.

>   > OTOH, even if that test succeed, it is not clear that the user wishes
>   > to add the header to all messages she sends.
>
> And she may even want different OpenPGP: headers for different
> messages (business/private).

Right.  So I think it might invade privacy too much to do this
automatically.

If there were some GNOME/GNU standard way for users to let MUAs know
their OpenPGP key, we could use that.  But I'm not aware of any such
mechanisms.

>   > Perhaps it would be sufficient to make it easy to optionally ask Gnus
>   > to set the header.  Right now I don't think it is simple enough,
>
> `gnus-posting-styles' of course.

I don't want to see the header while composing.  Is that possible with
posting styles?

>   > What do you think?
>
> Nice idea.  Especially if Gnus can be made to use the header to snarf
> the key into the local keyring.

Eventually I guess that is a goal.  Either there could be a "Secure
reply" that made sure GnuPG has the key and enabled PGP/MIME, or the
PGP/MIME MML functions could look in the original article and try to
get the key.

But first people will have to start use the OpenPGP header...