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Re: [TLS] adopting ChaCha20 as a WG item was: I-D Action: draft-ietf-tls-prohibiting-rc4-01.txt

Nikos Mavrogiannopoulos <nmav@redhat.com> Thu, 02 October 2014 13:20 UTC

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From: Nikos Mavrogiannopoulos <nmav@redhat.com>
To: Yoav Nir <ynir.ietf@gmail.com>
Date: Thu, 02 Oct 2014 15:19:52 +0200
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Subject: Re: [TLS] adopting ChaCha20 as a WG item was: I-D Action: draft-ietf-tls-prohibiting-rc4-01.txt
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On Thu, 2014-10-02 at 15:58 +0300, Yoav Nir wrote:
> Hi, Nikos
> 
> I think yes, especially considering that CFRG has just started RGLC on
> the document.
> 
> I think it’s debatable whether we need so many ciphersuites.
> Considering that TLS 1.3 will be PFS-only and AEAD-only, I’m not sure
> we need the ciphersuites in section 4.1, and the RSA (without DHE)
> ciphersuites. The feedback I got in IPsecME was that we didn’t need
> anything but the AEAD. But that kind of thing can be debated in the
> working group.

Hello Yaov,
 I agree. The non-AEAD ciphersuites are in order to be implementable to
pre-TLS 1.2. Whether they are applicable to TLS 1.3 or not, is outside
the scope of this document.

regards,
Nikos

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