Re: [TLS] confirming the room’s consensus: adopt HKDF PRF for TLS 1.3

"Salz, Rich" <rsalz@akamai.com> Mon, 27 April 2015 11:22 UTC

Return-Path: <rsalz@akamai.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id C1C461B308B for <tls@ietfa.amsl.com>; Mon, 27 Apr 2015 04:22:29 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.311
X-Spam-Level:
X-Spam-Status: No, score=-2.311 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, MIME_8BIT_HEADER=0.3, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001, T_RP_MATCHES_RCVD=-0.01] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Kq_iSZzwZyn3 for <tls@ietfa.amsl.com>; Mon, 27 Apr 2015 04:22:28 -0700 (PDT)
Received: from prod-mail-xrelay07.akamai.com (prod-mail-xrelay07.akamai.com [72.246.2.115]) by ietfa.amsl.com (Postfix) with ESMTP id 62DB71A90DD for <tls@ietf.org>; Mon, 27 Apr 2015 04:22:28 -0700 (PDT)
Received: from prod-mail-xrelay07.akamai.com (localhost.localdomain [127.0.0.1]) by postfix.imss70 (Postfix) with ESMTP id 92A6D47839; Mon, 27 Apr 2015 11:22:27 +0000 (GMT)
Received: from prod-mail-relay06.akamai.com (prod-mail-relay06.akamai.com [172.17.120.126]) by prod-mail-xrelay07.akamai.com (Postfix) with ESMTP id 74FAA4783D; Mon, 27 Apr 2015 11:22:27 +0000 (GMT)
Received: from email.msg.corp.akamai.com (usma1ex-cas3.msg.corp.akamai.com [172.27.123.32]) by prod-mail-relay06.akamai.com (Postfix) with ESMTP id 70DF52039; Mon, 27 Apr 2015 11:22:27 +0000 (GMT)
Received: from USMA1EX-DAG1MB2.msg.corp.akamai.com (172.27.123.102) by usma1ex-dag1mb1.msg.corp.akamai.com (172.27.123.101) with Microsoft SMTP Server (TLS) id 15.0.913.22; Mon, 27 Apr 2015 07:22:26 -0400
Received: from USMA1EX-DAG1MB2.msg.corp.akamai.com ([172.27.123.102]) by usma1ex-dag1mb2.msg.corp.akamai.com ([172.27.123.102]) with mapi id 15.00.0913.011; Mon, 27 Apr 2015 07:22:26 -0400
From: "Salz, Rich" <rsalz@akamai.com>
To: Peter Gutmann <pgut001@cs.auckland.ac.nz>, Michael StJohns <msj@nthpermutation.com>, Hugo Krawczyk <hugo@ee.technion.ac.il>
Thread-Topic: =?Windows-1252?Q?[TLS]_confirming_the_room=92s_consensus:_adopt_HKDF_PRF_?= =?Windows-1252?Q?for_TLS_1.3?=
Thread-Index: AQHQbKXN8/D/NKk0mESK2GGc9srrDJ06wxoAgAAchYCAAD3HgIAe2MYAgAADAICAAUWSAIAB1yuAgAL58wCAABbegIAACL+AgACawwCAABUNMA==
Date: Mon, 27 Apr 2015 11:22:25 +0000
Message-ID: <025c9d266ef24cfcb720b7b3a9ecfc0c@usma1ex-dag1mb2.msg.corp.akamai.com>
References: <4A5C6D8F-6A28-4374-AF1F-3B202738FB1D@ieca.com> <551DDD4E.5070509@nthpermutation.com> <F7F3EB83-FEA2-477C-8810-38C49B71C977@ieca.com> <551E290D.7020207@nthpermutation.com> <55381768.8010402@nthpermutation.com> <CACsn0cm5A50dP4JDKq9R0XdB83hyzPPLQHAMnUcXFb+DCSwV7g@mail.gmail.com> <55392B08.6020304@nthpermutation.com> <CADi0yUPTixoesXkgd=HYe_+ua_+=_UfcDBSndCgdh1usTzNpzQ@mail.gmail.com> <553D3572.6040408@nthpermutation.com> <CADi0yUOnsD0Sasq7dRTbRpUm9jTg-uf+vjkkpMCxxsKXH0kqMw@mail.gmail.com>, <553D4FF7.8080700@nthpermutation.com> <9A043F3CF02CD34C8E74AC1594475C73AB0084CA@uxcn10-tdc05.UoA.auckland.ac.nz>
In-Reply-To: <9A043F3CF02CD34C8E74AC1594475C73AB0084CA@uxcn10-tdc05.UoA.auckland.ac.nz>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-originating-ip: [172.19.42.51]
Content-Type: text/plain; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
Archived-At: <http://mailarchive.ietf.org/arch/msg/tls/ceK9No6ybx3mxBo4XtUB7txTlbw>
Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] =?windows-1252?q?confirming_the_room=92s_consensus=3A_adopt?= =?windows-1252?q?_HKDF_PRF_for_TLS_1=2E3?=
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 27 Apr 2015 11:22:29 -0000

> Stepping back a bit in order to actually see the woods here, why is this an issue?

+1.  I skipped quoting, but the whole message is a good one.

--  
Senior Architect, Akamai Technologies
IM: richsalz@jabber.at Twitter: RichSalz