Bruce Stephens wrote:
> 
> Dr S N Henson <[EMAIL PROTECTED]> writes:
> 
> [...]
> 
> > There's a function X509_get1_email() which will retrieve a list of
> > email addresses both from the subject name and subjectAltName
> > extensions and arrange them in a STACK. From then its trivial to
> > just compare each or use sk_find().
> >
> > Currently there aren't any functions that handle things like different
> > signing and encryption certificates or encryption capabilities. That has
> > to be largely done manually.
> 
> Gnus is an emacs-lisp package.  It just calls the command-line version
> of "openssl smime", so what's required is some command-line interface
> to these features.  From what you say, presumably it could be a flag
> to x509, which displays a list of email addresses, one per line?  (Or
> something like that, anyway.)

Ah, I see. The x509 -email option of OpenSSL 0.9.6 does just that.

Steve.
-- 
Dr Stephen N. Henson.   http://www.drh-consultancy.demon.co.uk/
Personal Email: [EMAIL PROTECTED] 
Senior crypto engineer, Celo Communications: http://www.celocom.com/
Core developer of the   OpenSSL project: http://www.openssl.org/
Business Email: [EMAIL PROTECTED] PGP key: via homepage.
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