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Re: [TLS] Additional Elliptic Curves (Curve25519 etc) for TLS ECDH key agreement

Manuel Pégourié-Gonnard <mpg@polarssl.org> Sun, 12 January 2014 16:04 UTC

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Date: Sun, 12 Jan 2014 17:04:27 +0100
From: Manuel Pégourié-Gonnard <mpg@polarssl.org>
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To: Dr Stephen Henson <lists@drh-consultancy.co.uk>, Simon Josefsson <simon@josefsson.org>, tls@ietf.org
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Subject: Re: [TLS] Additional Elliptic Curves (Curve25519 etc) for TLS ECDH key agreement
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On 12/01/2014 16:36, Dr Stephen Henson wrote:
> Although TLS and ASN.1 represent the keys in different ways they are wrappers
> round the same low level point format specified in X9.62/SEC1.
> 
> Specifically in RFC4492 for TLS in 5.4, the description of ECPoint.
> 
> There is an equivalent reference for certificates in in RFC5480 2.2, again ECPoint.
> 
> I think we should keep this consistency and have the point format for the new
> curves defined in one standard, whatever that might be.
> 
Good point.

Since this format may be used by more than just TLS, and was originally defined
outside the IETF, what would be the most appropriate place to discuss extending it?

Manuel.

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