Michael C. Toren on 18 Apr 2005 14:54:30 -0000

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Re: [PLUG] PGP (GPG): inline vs mime

On Fri, Apr 15, 2005 at 08:44:45PM -0400, Jeff Abrahamson wrote:
> Mutt will verify the PGP key if I type escape-P.  But I don't understand
> why.  Is there a good reason for people to do this, or should I politely
> suggest they use PGP/Mime instead?  I also don't see how to get mutt to
> auto-validate such messages the way it does for PGP/Mime.

The PGP-Notes.txt[1] file distributed with mutt suggests using the
following procmail recipe to convert inline PGP data to PGP/Mime:

    * !^Content-Type: message/
    * !^Content-Type: multipart/
    * !^Content-Type: application/pgp
        :0 fBw
        * ^-----BEGIN PGP MESSAGE-----
        * ^-----END PGP MESSAGE-----
        | formail \
            -i "Content-Type: application/pgp; format=text; x-action=encrypt"

        :0 fBw
        * ^-----BEGIN PGP SIGNED MESSAGE-----
        * ^-----BEGIN PGP SIGNATURE-----
        * ^-----END PGP SIGNATURE-----
        | formail \
            -i "Content-Type: application/pgp; format=text; x-action=sign"

Although personally, I would rather hit Meta-P to check an individual
inline message rather than trying to muck with MIME-types automatically.


[1] PGP-Notes.txt can be found at <http://www.mutt.org/doc/PGP-Notes.txt>,
    or on a Debian system at <file:///usr/share/doc/mutt/PGP-Notes.txt.gz>.

perl -e'$u="\4\5\6";sub H{8*($_[1]%79)+($_[0]%8)}sub G{vec$u,H(@_),1}sub S{vec
($n,H(@_),1)=$_[2]}$_=q^{P`clear`;for$iX){PG($iY)?"O":" "forX8);P"\n"}for$iX){
forX8){$c=scalar grep{G@$_}[$i-1Y-1Z-1YZ-1Y+1ZY-1ZY+1Z+1Y-1Z+1YZ+1Y+1];S$iY,G(
/,\$_/xg;s/X/(0..7/g;s/P/print+/g;eval' #     Michael C. Toren <mct@toren.net>

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