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Re: S/MIME with OpenSSL?


From: Adam Sjøgren
Subject: Re: S/MIME with OpenSSL?
Date: Wed, 11 Nov 2015 17:12:10 +0100
User-agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/24.5 (gnu/linux)

Uwe writes:

> Did you try once to convince computer how shall I say illiterate to
> use encryption?

I learned a long time ago not to try and impose my preferences on other
computer users.

>   operations                S/MIME                 PGP                
>   Inst of software          no; included           yes                

I think you have some hidden assumptions about what software is used
here? Don't both S/MIME and PGP use external tools in Gnus?

>   Installation of plugin    no; included           yes                

Again, you must be assuming something about the software being used -
Gnus has built in support for both, right?

>   generation of keypair     no; ask for a          yes                
>                             certificate                               

This seems to be a negative for S/MIME: it is easy to generate a PGP
key. How do you generate an S/MIME certificate?

>   interchange of public     simply send a sign     yes interchange    
>   keys                      message                                   

I have never received or sent an S/MIME message, so it's hard to judge
this one. Does it mean that every S/MIME message includes the public key
of the sender? What prevents you from doing that with PGP-signed messages?

I've set up Gnus/GnuPG to automatically fetch keys for every person I
see a signature from, so there is nothing manual for me to do here.


  Best regards,

    Adam

-- 
 "Probabilistic algorithms don't appeal to me. (This          Adam Sjøgren
  is a question of aesthetics, not practicality.) So     asjo@koldfront.dk
  later, I figured out how to remove the probability
  and turn it into a deterministic algorithm."




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