Dr S N Henson wrote:
> 
> Bear Giles wrote:
> >
> >
> > > If it only did an I+SN match then an attacker could readily generate a
> > > self-signed certificate using its own key with matching I+SN.
> >
> > But a self-signed cert is easily identified and could be flagged
> > for special handling.  By removing them from the standard population
> > we may be able to simplify rules for all other certs.
> 
> The self signed cert was only an example. There are other cases which
> could apply as well. An example would be explicit trust of an EE
> certificate. That isn't supported in OpenSSL yet but it will be at some
> point. It would however have a similar criteria: only an exact match
> would be acceptable.

I believe this is supported (by writing appropriate callbacks) - I'm
sure I remember doing it at some point.

Cheers,

Ben.

--
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"There is no limit to what a man can do or how far he can go if he
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