Re: [Secdispatch] EDHOC Summary

On Wed, Apr 10, 2019 at 1:10 AM Göran Selander <goran.selander@ericsson.com>
wrote:

> Hi Chris,
>
> On 2019-04-10, 03:52, "Secdispatch on behalf of Christopher Wood" <
> secdispatch-bounces@ietf.org on behalf of caw@heapingbits.net> wrote:
>
>     Hi Göran,
>
> [- - -]
>
>     If what’s missing is a lightweight AKE protocol, then shouldn’t the
> purpose of this WG be to first identify what lightweight means? To
> reiterate (my understanding of) Martin’s point, it seems the requirements
> do not have consensus, and therefore choosing a specific AKE is a bit
> premature. It seems prudent to first get a shared understanding of the
> problem space and requirements before we trim the solution space.
>
> [GS:]
>
> The purpose of the Secdispatch interim meeting on March 05, the preceding
> and following discussion was to detail the requirements (and present the
> results of the security analysis). Our post-interim compilation of the
> usual BoF questions including requirements (and specification of
> 'lightweight') is here:
>
> https://mailarchive.ietf.org/arch/msg/secdispatch/vNR7nT20fsvYjYXhAPjOpLjZGCU
>
> The security ADs' conclusion of the whole discussion and proposal for next
> steps, including a request for community feedback (which ended on Monday)
> is here:
>
> https://mailarchive.ietf.org/arch/msg/secdispatch/Kz_6y6Jq4HsWxglsUHafWjXIm0c

"Thanks for all of the feedback so far.  We would appreciate any additional
thoughts by Monday, April 15, 2019."

It's currently April 11.

-Ekr

>
> I only see a large number of people agreeing and no technical argument
> against.
>
> Apologies for my impatience, but the discussion is over 2 years old. The
> people contesting this work has been against it for a long time and the
> argument has shifted from "the TLS handshake is lightweight" to "there is
> no need for a lightweight handshake" to "OK, we need a lightweight
> handshake, but not as lightweight as EDHOC". (The last statement is
> slightly distorting the argument, but just to give the idea.)
>
> Göran
>
>
>     Best,
>     Chris
>
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