On Wed, Mar 09, 2011, Ralph Holz wrote:

> Hi Steve,
> 
> On 9 March 2011 13:03, Dr. Stephen Henson <[email protected]> wrote:
> 
> > > Am I correct in surveying that openssl verify uses a default of
> > "sslserver"
> > > for -purpose?
> > >
> >
> > No it just means that most certificates could (in theory) be use as SSL
> > server
> > certificates. If you had appropriate extensions restrictions (e.g. extended
> > key usage or the deprecated netscape certificate type) you'd notice the
> > difference.
> >
> 
> Thanks for the quick answer. Still, does this mean that if I don't use
> -purpose at all, the certification chain would be still be evaluated
> normally, just without checking for certificate purpose? Because the way the
> docs say it, I would have concluded chain evaluation is not done at all -
> yet it seems to happen.
> 

It just checks CA certificates are valid using basicConstrainsts and keyUsage
extensions.

Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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