[imp] PGP and S/MIME

[Jan Schneider]

Zitat von Andreas Dahlén <andreas@dahlen.ws>:

> * Use of external program or internal function calls.
> I'm thinking of using external call to openssl, as PGP calls gpg.
> The openssl-functions in PHP could be used, but since thay are 
> experimental I don't think that a good idea. Comments?

I'd use the PHP extension. It might still be marked as experimental but is 
already for some time in the PHP tree. And S/MIME support in IMP will be 
experimental too for a while, won't it? ;-)
 
> * Compose Screen
> To implement S/MIME there are two choices (at least);
> - Two sections "PGP Options" and "S/MIME Options" with buttons for 
> sending signed and/or encrypted messages.
> - One section "Encryption" with radiobuttons for "PGP 
> encrypt", "PGP Sign", "PGP Encrypt/Sign", "S/MIME Sign", "S/MIME 
> Encrypt" and "S/MIME Encrypt/Sign". The message would then be sent 
> with the ordinary "Send Message"-button.
> I would prefer the latter one. Comments/Suggestions?

Another possibility would be to let the user decide in his preferences if 
he wants to use PGP or S/MIME. If we could make the more flexible way you 
proposed work without cluttering the UI too much - great!

Jan.

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