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From: ShengHuo ZHU <zsh@cs.rochester.edu>
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Subject: Re: S/MIME
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Simon Josefsson <sj@extundo.com> writes:

> Bruce Stephens <bruce+gnus@cenderis.demon.co.uk> writes:
> 
> > How do I verify signatures?  I just get the error that
> > application/x-pkcs7-signed (or something like that) is unknown?
> 
> S/MIME signature verification should work now.  Unfortunately S/MIME
> doesn't use multipart/encrypted (rfc 2015), so there's a little more
> work involved getting decryption to work too.  Shouldn't take too long
> though.

Two possible problems:

1. The output of openssl may contain ^M's.  At least, I found one at
   the end of the first MIME boundary. I don't know why.  Should those
   ^M's be removed?

2. When smime-verify-buffer is called, the article headers have been
   decoded, which means that users may have to pick a coding system to
   encode those non-ASCII characters before it is sent to openssl.  It
   would be better to copy the article to a new buffer, and remove
   unnecessary headers, or just narrow to the article body.

ShengHuo