Hi Sean,

we at ARM would find it somewhat unfortunate to remove the client
authentication feature from the 0-RTT exchange since this is one of the
features that could speed up the exchange quite significantly and would
make a big difference compared to TLS 1.2.

For the IoT use cases we need client authentication; I understand that
the situation may be somewhat different in the Web space.

So, I am not happy with the proposed change!

Ciao
Hannes


On 03/29/2016 02:59 PM, Sean Turner wrote:
> All,
> 
> To make sure we’ve got a clear way forward coming out of our BA
> sessions, we need to make sure there’s consensus on a couple of
> outstanding issues.  So...
> 
> It seems that there is a clear consensus not to support 0-RTT client
> authentication in TLS 1.3 at this time.  If you think 0-RTT client
> authentication needs to be supported please indicate so now and
> provide your rationale.
> 
> J&S _______________________________________________ TLS mailing list 
> TLS@ietf.org https://www.ietf.org/mailman/listinfo/tls
> 

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