Re: [TLS] Confirming Consensus on removing RSA key Transport from TLS 1.3

"Salz, Rich" <rsalz@akamai.com> Thu, 27 March 2014 15:34 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 4A6C41A0147 for <tls@ietfa.amsl.com>; Thu, 27 Mar 2014 08:34:27 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.21
X-Spam-Level:
X-Spam-Status: No, score=-4.21 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, 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 jxCV28oECDfB for <tls@ietfa.amsl.com>; Thu, 27 Mar 2014 08:34:25 -0700 (PDT)
Received: from prod-mail-xrelay02.akamai.com (prod-mail-xrelay02.akamai.com [72.246.2.14]) by ietfa.amsl.com (Postfix) with ESMTP id BA6C61A0270 for <tls@ietf.org>; Thu, 27 Mar 2014 08:34:25 -0700 (PDT)
Received: from prod-mail-xrelay02.akamai.com (localhost [127.0.0.1]) by postfix.imss70 (Postfix) with ESMTP id 5ABB7286AC; Thu, 27 Mar 2014 15:34:23 +0000 (GMT)
Received: from prod-mail-relay02.akamai.com (prod-mail-relay02.akamai.com [172.17.50.21]) by prod-mail-xrelay02.akamai.com (Postfix) with ESMTP id 459482855A; Thu, 27 Mar 2014 15:34:23 +0000 (GMT)
Received: from usma1ex-cashub.kendall.corp.akamai.com (usma1ex-cashub7.kendall.corp.akamai.com [172.27.105.23]) by prod-mail-relay02.akamai.com (Postfix) with ESMTP id 3C672FE222; Thu, 27 Mar 2014 15:34:23 +0000 (GMT)
Received: from USMBX1.msg.corp.akamai.com ([172.27.107.26]) by usma1ex-cashub7.kendall.corp.akamai.com ([172.27.105.23]) with mapi; Thu, 27 Mar 2014 11:34:17 -0400
From: "Salz, Rich" <rsalz@akamai.com>
To: Watson Ladd <watsonbladd@gmail.com>
Date: Thu, 27 Mar 2014 11:34:17 -0400
Thread-Topic: [TLS] Confirming Consensus on removing RSA key Transport from TLS 1.3
Thread-Index: Ac9J0EH4BqYBddUQQ9uiq+hKo9SRHQAAZ45g
Message-ID: <2A0EFB9C05D0164E98F19BB0AF3708C711FD4AE42C@USMBX1.msg.corp.akamai.com>
References: <AD51D38F-2CFE-4277-854D-C0E56292A336@cisco.com> <20140326211219.27D281AC7D@ld9781.wdf.sap.corp> <20140327095527.5335c7fa@hboeck.de> <20140327115551.GA24503@randombit.net> <6f43d6c5-b70f-4a80-98e6-f653011317c7@email.android.com> <2A0EFB9C05D0164E98F19BB0AF3708C711FD4AE390@USMBX1.msg.corp.akamai.com> <CACsn0ckN_OXcU61jOWNG_HjoxuMgNHwfPMzrad6A-tLrf0bzWA@mail.gmail.com>
In-Reply-To: <CACsn0ckN_OXcU61jOWNG_HjoxuMgNHwfPMzrad6A-tLrf0bzWA@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
acceptlanguage: en-US
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
Archived-At: http://mailarchive.ietf.org/arch/msg/tls/NUcLDSggJWQCGAQhTax0L3Mix2w
Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Confirming Consensus on removing RSA key Transport from TLS 1.3
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: Thu, 27 Mar 2014 15:34:27 -0000

> Integers have no natural encoding: you're complaining that one particular fast implementation encodes them a certain way.

If they have no natural encoding, then it makes sense to use the encoding in the reference implementation developed by the curve's inventor.  No?

	/r$

--  
Principal Security Engineer
Akamai Technology
Cambridge, MA