On Fri, Mar 17, 2006, Olaf Gellert wrote:

> Dr. Stephen Henson wrote:
> > On Fri, Mar 17, 2006, michael Dorrian wrote:
> > 
> >>   1. Can a CA signed by the root CA act as a trusted CA itself?.
> > 
> > Provided the root CA permits this...
> 
> Actually I think: not. It seems to be impossible
> to evaluate a certificate only up to a subCA,
> openssl always requires the complete chain up to
> the root CA. So I cannot tell openssl "this is a
> trusted subordinate CA, that's enough."
> 

That's not actually what I meant. I meant that a valid subCA signed by a
trusted root CA is itself trusted.

There is a mechanism to restrict trust to explicit chains in S/MIME but not
currently in SSL.

Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
Funding needed! Details on homepage.
Homepage: http://www.drh-consultancy.demon.co.uk
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