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Re: [TLS] draft-ietf-tls-tls13-16

"Salz, Rich" <rsalz@akamai.com> Wed, 28 September 2016 16:11 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Martin Thomson <martin.thomson@gmail.com>, Stephen Checkoway <s@pahtak.org>
Thread-Topic: [TLS] draft-ietf-tls-tls13-16
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Date: Wed, 28 Sep 2016 16:11:07 +0000
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Subject: Re: [TLS] draft-ietf-tls-tls13-16
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> I generally agree, though we just added one small exception to NSS, and
> have been discussing another for a while now:  Respecting client preference
> for ChaCha over GCM makes a real difference for clients that don't have AES-
> NI.

Yes, a number of net companies do this (Google, CloudFlare, Akamai and no doubt others).  OpenSSL will support something like this in a future release (boringSSL has "equivalence classes" but the syntax and limitations aren't great).

But it doesn't matter -- it's still the server choosing what to do :)
--  
Senior Architect, Akamai Technologies
Member, OpenSSL Dev Team
IM: richsalz@jabber.at Twitter: RichSalz

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