On Fri, Jun 19, 2009 at 10:07 AM, Dr. Stephen Henson<st...@openssl.org> wrote:
>
> This needs one of those box diagrams ;-)
>
> The simplest cases have policys as the intersection of the sets of all
> policies. With the trust anchor policies being ignored.
>
> Say you have root->CA1(OID1, OID2)
>
> [i.e. CA1 has certificatePolicies and OID1, OID2 present]
>
> Nothing signed by CA1 can have anything other than OID1 or OID2 (or anyPolicy
> but I'm keeping it simple here).
>
> If you have CA1(OID1,OID2)->CA2(OID1)
>
> nothing below CA2 can have anything other than OID1.
>
> Similarly CA1(OID1,OID2)->CA3(OID2)
>
> Note that policy procesing has to be specifically enabled with the appropriate
> verification arguments, it isn't by default. Yes "openssl verify" is usable
> for testing.
>
> Steve.

Isn't this very much akin to the proxy certificate verification process?

-Kyle H
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