Re: [TLS] SHA-3 in SignatureScheme

Eric Rescorla <ekr@rtfm.com> Fri, 02 September 2016 17:05 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Fri, 2 Sep 2016 10:04:29 -0700
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To: Dave Garrett <davemgarrett@gmail.com>
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Subject: Re: [TLS] SHA-3 in SignatureScheme
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On Fri, Sep 2, 2016 at 8:25 AM, Dave Garrett <davemgarrett@gmail.com> wrote:

> On Friday, September 02, 2016 07:32:06 am Eric Rescorla wrote:
> > On Fri, Sep 2, 2016 at 3:42 AM, Ilari Liusvaara <
> ilariliusvaara@welho.com> wrote:
> > > I also don't see why this should be in TLS 1.3 spec, instead of being
> > > its own spec (I looked up how much process BS it would be to get the
> > > needed registrations: informative RFC would do).
> >
> > I also am not following why we need to do this now. The reason we
> defined SHA-2 in
> > a new RFC was because (a) SHA-1 was looking weak and (b) we had to make
> significant
> > changes to TLS to allow the use of SHA-2. This does not seem to be that
> case.
>
> I don't think we strictly _need_ to do this now, however I think it's a
> good idea given that we'll need to do it eventually


I'm not sure that that's true.

-Ekr