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Re: [TLS] Last call comments and WG Chair review of draft-ietf-tls-ecdhe-psk-aead

Yoav Nir <ynir.ietf@gmail.com> Wed, 01 March 2017 14:29 UTC

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From: Yoav Nir <ynir.ietf@gmail.com>
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Date: Wed, 01 Mar 2017 16:29:09 +0200
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To: Aaron Zauner <azet@azet.org>
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Subject: Re: [TLS] Last call comments and WG Chair review of draft-ietf-tls-ecdhe-psk-aead
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> On 1 Mar 2017, at 15:06, Aaron Zauner <azet@azet.org> wrote:
> 
> 
>> On 24 Feb 2017, at 14:07, Salz, Rich <rsalz@akamai.com> wrote:
>> 
>>> Assuming 256-bit AES-CCM suites are needed, I think the better place to put
>>> them is in the TLS 1.3 document.
>> 
>> That's a really big assumption. ;)
>> 
>> I think the burden is on folks to *prove* (yeah, I know) that additional cipher suites are needed.
> 
> +1. I'm against adding CCM based suites to the TLS 1.3 spec.

Hold on.  CCM with a 128-bit key suites are already in the current version of the spec. CCM with a 256-bit key suites are not.

Are you advocating just not adding the 256-bit key ciphersuites, or removing those already in?

Yoav

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