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Re: [TLS] WG adoption + early code point assignment: draft-mavrogiannopoulos-chacha-tls

Yoav Nir <ynir.ietf@gmail.com> Wed, 20 May 2015 18:19 UTC

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From: Yoav Nir <ynir.ietf@gmail.com>
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Date: Wed, 20 May 2015 21:01:09 +0300
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To: Eric Rescorla <ekr@rtfm.com>
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Cc: Adam Langley <agl@imperialviolet.org>, IETF TLS Working Group <tls@ietf.org>
Subject: Re: [TLS] WG adoption + early code point assignment: draft-mavrogiannopoulos-chacha-tls
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> On May 20, 2015, at 7:02 PM, Eric Rescorla <ekr@rtfm.com> wrote:
> 
> 
> 
> On Wed, May 20, 2015 at 8:56 AM, Nikos Mavrogiannopoulos <nmav@redhat.com <mailto:nmav@redhat.com>> wrote:
> ----- Original Message -----
> > What would you think of just adopting the 1.3 approach then?
> > I don't have a strong opinion on this, but it seems a pity to have three
> > separate mechanisms.
> 
> I don't really see it as a separate mechanism, it just omits the bytes which
> are redundant.
> 
> Well, it's separate in the sense that you can't just swap out the GCM for ChaCha
> alg-ids.
> 
> As I said, I don't feel strongly about this,

TBH I don’t feel strongly about this either. It’s a bit of an ugly piece of code to handle this, but not ugly enough to make it worth arguing this for a long time.

> but I do feel strongly that we should
> decide this before doing the code point allocation

That’s your call, but as Stephen said there is always the potential for non-interoperable changes to happen during the WG process. I don’t see this as blocking, but I was told the same at IPsecME when I made the same request.

Yoav

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