How to add my own algorithm to gnupg?

Moritz Schulte
Fri, 29 Aug 2003 19:11:29 +0200

David Shaw <> writes:

> The extension module feature was removed from GnuPG for several
> reasons (portability, code simplicity, lack of use).

I wonder, does this only refer to the original `extension module' code
that was used by GnuPG or is the concept as a whole not wanted
anymore?  Regarding code simplicity, the module handling code is
contained in Libgcrypt [GnuPG would have to load the external
algorithm implementation and then pass the according functions to

((gpg-key-id . "6F984199")
 (email      . "")
 (webpage    . ""))