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Re: [TLS] PR#346: Individual traffic key generation

Eric Rescorla <ekr@rtfm.com> Tue, 17 November 2015 03:53 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Mon, 16 Nov 2015 19:52:22 -0800
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To: Martin Thomson <martin.thomson@gmail.com>
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Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] PR#346: Individual traffic key generation
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On Mon, Nov 16, 2015 at 7:01 PM, Martin Thomson <martin.thomson@gmail.com>
wrote:

> I have to ask why the continued insistence on calling the thing that
> forms part of the nonce an "IV".  I find it to be misleading.
>

This is the historical terminology that TLS has used.


>
> Also, it might be worth noting that the string "early data key
> expansion, server write " is never needed.
>

Yes, that's fair.

-Ekr


>
> On 16 November 2015 at 17:25, Eric Rescorla <ekr@rtfm.com> wrote:
> > https://github.com/tlswg/tls13-spec/pull/346
> >
> > As discussed in Seattle and Yokohama, I've broken out the traffic key
> > generation
> > into individual values. This makes life somewhat easier for those dealing
> > the
> > cryptographic modules, because some of this data needs to be public and
> some
> > of it needs to be secret.
> >
> > This general change already had consensus, so I plan to merge it on
> > Wednesday
> > modulo major objections. Please advise here or on Github if you find any
> > errors
> > or you violently object.
> >
> > -Ekr
> >
> >
> >
> > _______________________________________________
> > TLS mailing list
> > TLS@ietf.org
> > https://www.ietf.org/mailman/listinfo/tls
> >
>

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