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Re: [TLS] draft-ietf-tls-tls-13-17 posted

Ilari Liusvaara <ilariliusvaara@welho.com> Fri, 21 October 2016 15:06 UTC

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Date: Fri, 21 Oct 2016 18:06:09 +0300
From: Ilari Liusvaara <ilariliusvaara@welho.com>
To: Eric Rescorla <ekr@rtfm.com>
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Subject: Re: [TLS] draft-ietf-tls-tls-13-17 posted
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On Fri, Oct 21, 2016 at 08:00:33AM -0700, Eric Rescorla wrote:
> On Fri, Oct 21, 2016 at 7:00 AM, Ilari Liusvaara <ilariliusvaara@welho.com>
> wrote:
> 
> > On Fri, Oct 21, 2016 at 04:39:59AM -0700, Eric Rescorla wrote:
> > > On Fri, Oct 21, 2016 at 2:33 AM, Ilari Liusvaara <
> > ilariliusvaara@welho.com>
> > > wrote:
> > >
> > > And since that implementation supports RFC7250 (for the server
> > > > certificate), here is my interpretation of it:
> > > >
> > > > The certificate type is sent in extensions of EE certificate,
> > > > via the usual server_certificate_type extension (using the server-side
> > > > syntax from RFC7250).
> > > >
> > >
> > > I think this probably should go in Encrypted Extensions.
> >
> > It is definitely related to the certificate chain,
> 
> 
> My argument would be that it doesn't belong in "individual certificates"
> because it applies to certificates as a whole. It's not like it would be
> legal to have a 7250 cert followed by an X.509 cert, one hopes

Well, there can't be two server certificate "chains". But if there
could, I would expect the type to per-chain.



-Ilari

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