Re: [TLS] 0-RTT profiles

2018-08-06 Thread Benjamin Kaduk
On Mon, Aug 06, 2018 at 07:01:42PM +0100, Joseph Birr-Pixton wrote:
> Hello,
> 
> > Application protocols MUST NOT use 0-RTT data without a profile that 
> > defines its use.
> > That profile needs to identify which messages or interactions are safe to 
> > use with 0-RTT
> > and how to handle the situation when the server rejects 0-RTT and falls 
> > back to 1-RTT.
> 
> 0-RTT has now at least two large deployments on the public internet
> that I know of. Are there any such "profiles" published or being
> worked on?

draft-ietf-httpbis-replay is in the RFC Editor's queue.

-Ben

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Re: [TLS] 0-RTT profiles

2018-08-06 Thread Ilari Liusvaara
On Mon, Aug 06, 2018 at 07:01:42PM +0100, Joseph Birr-Pixton wrote:
> Hello,
> 
> > Application protocols MUST NOT use 0-RTT data without a profile that 
> > defines its use.
> > That profile needs to identify which messages or interactions are safe to 
> > use with 0-RTT
> > and how to handle the situation when the server rejects 0-RTT and falls 
> > back to 1-RTT.
> 
> 0-RTT has now at least two large deployments on the public internet
> that I know of. Are there any such "profiles" published or being
> worked on?

The HTTP profile is in RFC-Editor queue (draft-ietf-httpbis-replay).


-Ilari

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[TLS] 0-RTT profiles

2018-08-06 Thread Joseph Birr-Pixton
Hello,

> Application protocols MUST NOT use 0-RTT data without a profile that defines 
> its use.
> That profile needs to identify which messages or interactions are safe to use 
> with 0-RTT
> and how to handle the situation when the server rejects 0-RTT and falls back 
> to 1-RTT.

0-RTT has now at least two large deployments on the public internet
that I know of. Are there any such "profiles" published or being
worked on?

Thanks for any pointers.

Cheers,
Joe

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