[dev] PGP Encryption now 7bit

[Chuck Hagenbuch]

Quoting Michael M Slusarz <slusarz@bigworm.colorado.edu>:

> http://bigworm.colorado.edu/imp-patches/pgp-diffs/rfc2015_4.diff.txt
> 
> Now, for any text that is being digitally signed, we base64 encode it to
> ensure that it is 7bit encoded (required by RFC 2015).

Committed, thanks!

> A couple of comments:
> * Should we move all encoding into a MIME class (i.e. MIME_Part)?

Probably...

> * Is there a reason why IMP/Horde doesn't handle quoted-printable
> encoding -
>  All that is needed is imap_8bit() and imap_qprint().

Handle in what sense? We read it - do you mean sending it?

> * I noticed that PEAR contains a mimePart class already - should we
> shift to using this instead? (Or at least absorb some of its 
> functionality)

Absorbing would be good; I don't think we want to rely on it at this point.

-chuck

--
Charles Hagenbuch, <chuck@horde.org>
"A dream which helps you to live your reality with dignity
 and justice is a good dream." - Tariq Ramadan