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Re: [TLS] sect571r1

Dave Garrett <davemgarrett@gmail.com> Wed, 15 July 2015 22:22 UTC

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From: Dave Garrett <davemgarrett@gmail.com>
To: "<tls@ietf.org>" <tls@ietf.org>
Date: Wed, 15 Jul 2015 18:22:53 -0400
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Subject: Re: [TLS] sect571r1
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On Wednesday, July 15, 2015 06:06:37 pm Tony Arcieri wrote:
> On Wed, Jul 15, 2015 at 2:39 PM, Dave Garrett <davemgarrett@gmail.com> wrote:
> > It's the most used of the rarely used curves.
> 
> I think all "rarely used curves" should be removed from TLS. Specifically,
> I think it would make sense for TLS to adopt a curve portfolio like this:
> 
> - CFRG curves (RECOMMENDED): Curve25519, Ed448-Goldilocks
> - NIST curves (SUPPORTED): P-256, P-384, P-521
> 
> All other curves should be removed, IMO.

This does seem to be the growing consensus. I've submitted a PR to drop it:
https://github.com/tlswg/tls13-spec/pull/200/files

Unless someone can provide more detail as to why it might be needed to keep around, it looks like the WG wants rid of it.


Dave

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