Re: [TLS] Re: Review of draft-ietf-tls-openpgp-keys-08

On Tue, 16 May 2006 19:07:51 +0200, Nikos Mavrogiannopoulos
<nmav@gnutls.org> wrote:

> On Tue 16 May 2006 16:50, Eric Rescorla wrote:
> 
> > > I'd disagree that it is that simple to fix that: If the draft
> > > permit more than one key, I believe it has to describe how
> > > implementations are supposed to use more than one key to build the
> > > chain, or at least mandate some specific behaviour.
> > I don't agree with this. PGP at least theoretically knows how
> > to build cert chains from a "bucket of keys".
> 
> Maybe but I still find no point in sending a bucket of keys just like 
> that. If it is to be sent it has to be clearly defined what it is 
> expected in this bucket and so on. I'm quite reluctant to do it because 
> I don't need nor find a use for this functionality. It can be easily 
> added by anyone that need it[0], and I would be willing to include the 
> required changes in this or a future update, if somebody needs it and 
> defines the semantics of a key list.
> 
The problem is that you don't know the recipient's trust anchors or trust
metrics.  Without that, you have to send the whole graph (or at least as
much of it as you have), to maximize the chances of the key being accepted.

		--Steven M. Bellovin, http://www.cs.columbia.edu/~smb

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