Re: [TLS] Refactoring the negotiation syntax

2016-07-14 Thread Ilari Liusvaara
On Wed, Jul 13, 2016 at 03:07:46PM -0700, Eric Rescorla wrote: > On Wed, Jul 13, 2016 at 1:36 PM, Ilari Liusvaara > wrote: > > > > > > > > And then add new code points for being able to use the PSK with and > > > without signatures (from the server). We had pretty rough consensus in > > > B-A t

Re: [TLS] Server-side missing_extension MUSTs

2016-07-14 Thread Hubert Kario
On Thursday 14 July 2016 09:17:06 Martin Thomson wrote: > On 14 July 2016 at 03:01, Eric Rescorla wrote: > > > > Obviously, you could add a check that said that if an EC cipher suite was > > advertised, then you had to look for key shares even if you picked one, but > > it's not a check you otherw

Re: [TLS] Refactoring the negotiation syntax

2016-07-14 Thread Ilari Liusvaara
On Thu, Jul 14, 2016 at 11:32:00AM +0300, Ilari Liusvaara wrote: > > I was thinking of just scanning the server key_share in order the groups > appear... With no mixing if no key_share is absent. > > This would unify DHE-PSK and PSK for purposes of later handshake. > > Would need a way to ensure

Re: [TLS] confirming AUTH48 changes to draft-ietf-tls-cached-info

2016-07-14 Thread Sean Turner
The consensus of the WG is to not make the changes to the referred to by this msg. Hannes, Please respond to the RFC Editor to complete AUTH48 processing of this draft. J&S > On Jul 06, 2016, at 13:45, Sean Turner wrote: > > Anirudh noted [0] that existing implementation practices in TLS sta

Re: [TLS] draft-rescorla-tls-subcerts

2016-07-14 Thread Andrei Popov
Naïve question: why not simply get a constrained CA certificate and issue short-validity end entity certs? Unless I’m missing something, this would work with existing TLS implementations, no extensions required. Short-lived credential approach seems more viable than draft-mglt-lurk-tls-requirem

Re: [TLS] draft-rescorla-tls-subcerts

2016-07-14 Thread Salz, Rich
> Naïve question: why not simply get a constrained CA certificate and issue > short-validity end entity certs? Wouldn't you need one for every potential user? And the nameConstraints then becomes a union of all SAN fields? > Short-lived credential approach seems more viable than > draft-mglt-l