Re: [TLS] Correction: early codepoint assignment for Curve25519, Curve448, Ed25519 and Ed448

Joseph Salowey <joe@salowey.net> Mon, 25 January 2016 22:58 UTC

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Date: Mon, 25 Jan 2016 14:57:58 -0800
Message-ID: <CAOgPGoAFBxHbxaE-sGbkZKY41cSp0WjirJkbE2FmtrA+0LbJPQ@mail.gmail.com>
From: Joseph Salowey <joe@salowey.net>
To: Andrei Popov <Andrei.Popov@microsoft.com>
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Cc: Adam Langley <agl@imperialviolet.org>, Simon Josefsson <simon@josefsson.org>, "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Correction: early codepoint assignment for Curve25519, Curve448, Ed25519 and Ed448
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OK We'll ask for early code point assignment for

ecdh_x25519 (29), ecdh_x448 (30)


On Tue, Jan 19, 2016 at 10:59 AM, Andrei Popov <Andrei.Popov@microsoft.com>;
wrote:

> Yes, please allocate, esp. 25519. MS will start testing interop soon.
>
>
>
> Cheers,
>
>
>
> Andrei
>
>
>
> *From:* TLS [mailto:tls-bounces@ietf.org] *On Behalf Of *David Benjamin
> *Sent:* Tuesday, January 19, 2016 10:01 AM
> *To:* Joseph Salowey <joe@salowey.net>;; Brian Smith <brian@briansmith.org>;
> *Cc:* Adam Langley <agl@imperialviolet.org>;; Simon Josefsson <
> simon@josefsson.org>;; tls@ietf.org
> *Subject:* Re: [TLS] Correction: early codepoint assignment for
> Curve25519, Curve448, Ed25519 and Ed448
>
>
>
> BoringSSL has a pair of implementations ready (in C and in our fork of
> Go's TLS stack for testing). We're using the value in the TLS 1.3 draft, so
> 29. It's not currently enabled in any Chrome builds, but I'm expecting to
> change this soon.
>
>
> David
>
>
>
> On Tue, Jan 19, 2016 at 12:54 PM Joseph Salowey <joe@salowey.net>; wrote:
>
> Any objections to early allocation for X25519 and X448?  Are there
> implementers with code ready to test interop?
>
>
>
> Thanks,
>
>
>
> Joe
>
>
>
> On Thu, Jan 14, 2016 at 3:22 PM, Brian Smith <brian@briansmith.org>; wrote:
>
> Simon Josefsson <simon@josefsson.org>; wrote:
>
> Allocating a code point for X25519 could be done and is long overdue
> (first draft September 2013).  X448 is also stable.  Code points for
> Ed25519 and Ed448 is more problematic since TLS authentication has
> historically had interaction with PKIX certs.  I agree with Yoav's
> assertion that the curve point verification issue is not big enough to
> stall code point allocation.
>
>
>
> I agree with this.
>
>
>
> Cheers,
>
> Brian
>
>
>
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