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Re: Bug#503096: ITP: alpaca -- GnuPG file handling for Emacs

Tatsuya Kinoshita <tats@debian.org> writes:

> I think that the alpaca package isn't meaningless even if less
> people use alpaca than EasyPG.

Grr. It's FEWER!

> `alpaca' uses symmetric encryption with "--cipher-algo AES" for a
> new *.gpg file by default, while I haven't found an easy way to
> customizet EasyPG.

Anyway, the point of this post: gpg's default symmetric encryption
algorithm is CAST5 [1]. Looking through the epg code, I agree that there
isn't currently a way to customise this.

However, a lot of the infrastructure to make this easy is available: in
epg.el line 36 there is a constant, epg-cipher-algorithm-alist. Using
that as a filter, it would be quite simple to add a selection mechanism
for the output type.

I don't intend to do this, since I'm not sure what the appropriate
semantics would be: should the user be pestered? should it be available
via some prefix arg? Certainly there should be a customisation option.

However, I'm sure that the epg maintainers would be interested in
patches and/or further discussion about this. Maybe you should take the
topic to their mailing list?


[1] See the gpg manpage, COMMANDS section, under -c.

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