Re: [TLS] Call for WG adoption draft-josefsson-tls-curve25519

Nico Williams <nico@cryptonector.com> Wed, 20 May 2015 22:55 UTC

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Date: Wed, 20 May 2015 17:55:13 -0500
From: Nico Williams <nico@cryptonector.com>
To: Yoav Nir <ynir.ietf@gmail.com>
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Subject: Re: [TLS] Call for WG adoption draft-josefsson-tls-curve25519
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On Thu, May 21, 2015 at 12:48:57AM +0300, Yoav Nir wrote:
> I notice that while the draft doesn’t say that explicitly, it uses
> existing *_ECDHE_* ciphersuites, so that no new ciphersuites are
> required, despite the fact that this ECDHE has different point formats
> and different back-end math than the existing ECDHE.  I wonder if we
> can also get away with using *ECDSA* ciphersuites for EdDSA
> signatures.

I think so.  That would be excellent.  (One case of not adding a factor
to the ciphersuite cartesian product.  Rejoice.)