Re: [TLS] early IANA code point assignment request for draft-ietf-tls-ecdhe-psk-aead

Daniel Migault <daniel.migault@ericsson.com> Mon, 14 November 2016 02:22 UTC

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From: Daniel Migault <daniel.migault@ericsson.com>
Date: Sun, 13 Nov 2016 21:21:58 -0500
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To: Ilari Liusvaara <ilariliusvaara@welho.com>
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Subject: Re: [TLS] early IANA code point assignment request for draft-ietf-tls-ecdhe-psk-aead
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done.

Thanks for the review!

Yours

Daniel

On Tue, Nov 8, 2016 at 1:07 AM, Ilari Liusvaara <ilariliusvaara@welho.com>;
wrote:

> On Mon, Nov 07, 2016 at 10:16:13PM -0500, Daniel Migault wrote:
> > Hi,
> >
> > The current draft is only considering TLS1.2. TLS1.3 is only mentioned
> for
> > advocating AEAD.
> >
> > Do you think we should add text that details how to proceed with TLS1.3 ?
> > If so what do you think of the following text ?
>
> That is, I think the dependency on TLS 1.3 should be downgraded to
> informative (unless that has already been done).
>
> >
> > Yours,
> > Daniel
> >
> >    The assigned code points are only expected to be used for TLS1.2.
> >    TLS1.3 does not follow the same name convention.  Instead TLS1.3
> >    cipher suites are designated according to the AEAD suite as well as
> >    the hash function used.  The current combination of AEAD algorithms
> >    and Hash fucntion are already defined in TLS.1.3 so there is no need
> >    to add additional cipher suites for TLS1.3.
>
> Seems reasonable.
>
> >    Instead, in order to used the following ECDHE_PSK authentication
> >    method.  TLS1.3 uses a combination of the "key_share" and
> >    "psk_key_exchange_modes" extentions. "psk_key_exchange_modes"
> >    extension sets its mode to psk_dhe_ke.  The "key_share" extention
> >    contains a KeyShareEntry structure that carries the ECDHE parameters.
> >
>
> I think 'used the following' -> 'use the' and first period should be
> comma.
>
>
> -Ilari
>
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