Re: OpenID/Debian PRNG/DNS Cache poisoning advisory

[Paul Hoffman <paul.hoffman () vpnc org>]

At 1:47 PM -0500 8/8/08, Nicolas Williams wrote:
> On Fri, Aug 08, 2008 at 02:08:37PM -0400, Perry E. Metzger wrote:
> >  The kerberos style of having credentials expire very quickly is one
> >  (somewhat less imperfect) way to deal with such things, but it is far
> >  from perfect and it could not be done for the ad-hoc certificate
> >  system https: depends on -- the infrastructure for refreshing all the
> >  world's certs every eight hours doesn't exist, and if it did imagine
> >  the chaos if it failed for a major CA one fine morning.
>
> The PKIX moral equivalent of Kerberos V tickets would be OCSP Responses.
>
> I understand most current browsers support OCSP.

...and only a tiny number of CAs do so.

--Paul Hoffman, Director
--VPN Consortium

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