IETF Logo Mail Archive

Re: [babel] Some open HMAC issues

Juliusz Chroboczek <jch@irif.fr> Mon, 02 July 2018 12:16 UTC

Return-Path: <jch@irif.fr>
X-Original-To: babel@ietfa.amsl.com
Delivered-To: babel@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id A2074130DFC for <babel@ietfa.amsl.com>; Mon, 2 Jul 2018 05:16:27 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.901
X-Spam-Level:
X-Spam-Status: No, score=-1.901 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 6l8aqwb7Kd6T for <babel@ietfa.amsl.com>; Mon, 2 Jul 2018 05:16:26 -0700 (PDT)
Received: from korolev.univ-paris7.fr (korolev.univ-paris7.fr [IPv6:2001:660:3301:8000::1:2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A92B31277D2 for <babel@ietf.org>; Mon, 2 Jul 2018 05:16:25 -0700 (PDT)
Received: from potemkin.univ-paris7.fr (potemkin.univ-paris7.fr [IPv6:2001:660:3301:8000::1:1]) by korolev.univ-paris7.fr (8.14.4/8.14.4/relay1/75695) with ESMTP id w62CFdrb020321 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Mon, 2 Jul 2018 14:15:41 +0200
Received: from mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [81.194.30.253]) by potemkin.univ-paris7.fr (8.14.4/8.14.4/relay2/75695) with ESMTP id w62CFpKL015940; Mon, 2 Jul 2018 14:15:51 +0200
Received: from mailhub.math.univ-paris-diderot.fr (localhost [127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTP id 38EB7EB22D; Mon, 2 Jul 2018 14:16:20 +0200 (CEST)
X-Virus-Scanned: amavisd-new at math.univ-paris-diderot.fr
Received: from mailhub.math.univ-paris-diderot.fr ([127.0.0.1]) by mailhub.math.univ-paris-diderot.fr (mailhub.math.univ-paris-diderot.fr [127.0.0.1]) (amavisd-new, port 10023) with ESMTP id oPmacGeOgFx2; Mon, 2 Jul 2018 14:16:19 +0200 (CEST)
Received: from lanthane.irif.fr (unknown [172.23.36.89]) (Authenticated sender: jch) by mailhub.math.univ-paris-diderot.fr (Postfix) with ESMTPSA id A6759EB22E; Mon, 2 Jul 2018 14:16:16 +0200 (CEST)
Date: Mon, 02 Jul 2018 14:16:16 +0200
Message-ID: <87h8lhvnn3.wl-jch@irif.fr>
From: Juliusz Chroboczek <jch@irif.fr>
To: Toke Høiland-Jørgensen <toke@toke.dk>
Cc: babel@ietf.org
In-Reply-To: <87tvpihr6g.fsf@toke.dk>
References: <87sh545st3.wl-jch@irif.fr> <411E2C9F-A910-4899-8DD7-92C0C85EBC54@apple.com> <87tvpihr6g.fsf@toke.dk>
User-Agent: Wanderlust/2.15.9
MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue")
Content-Type: text/plain; charset="US-ASCII"
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (korolev.univ-paris7.fr [IPv6:2001:660:3301:8000::1:2]); Mon, 02 Jul 2018 14:15:41 +0200 (CEST)
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (potemkin.univ-paris7.fr [194.254.61.141]); Mon, 02 Jul 2018 14:15:52 +0200 (CEST)
X-Miltered: at korolev with ID 5B3A176B.002 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)!
X-Miltered: at potemkin with ID 5B3A1777.000 by Joe's j-chkmail (http : // j-chkmail dot ensmp dot fr)!
X-j-chkmail-Enveloppe: 5B3A176B.002 from potemkin.univ-paris7.fr/potemkin.univ-paris7.fr/null/potemkin.univ-paris7.fr/<jch@irif.fr>
X-j-chkmail-Enveloppe: 5B3A1777.000 from mailhub.math.univ-paris-diderot.fr/mailhub.math.univ-paris-diderot.fr/null/mailhub.math.univ-paris-diderot.fr/<jch@irif.fr>
X-j-chkmail-Score: MSGID : 5B3A176B.002 on korolev.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000
X-j-chkmail-Score: MSGID : 5B3A1777.000 on potemkin.univ-paris7.fr : j-chkmail score : . : R=. U=. O=. B=0.000 -> S=0.000
X-j-chkmail-Status: Ham
X-j-chkmail-Status: Ham
Archived-At: <https://mailarchive.ietf.org/arch/msg/babel/1uOujkZrb0xb9GO3YJl1EYsz9oQ>
Subject: Re: [babel] Some open HMAC issues
X-BeenThere: babel@ietf.org
X-Mailman-Version: 2.1.26
Precedence: list
List-Id: "A list for discussion of the Babel Routing Protocol." <babel.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/babel>, <mailto:babel-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/babel/>
List-Post: <mailto:babel@ietf.org>
List-Help: <mailto:babel-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/babel>, <mailto:babel-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 02 Jul 2018 12:16:28 -0000

> +1 on sha-256, but I think it might be worth considering blake2s as
> well, since that gives smaller sigs and is specifically designed for
> low-powered devices, such as mips-based routers :)

Noted.

We're putting in HMAC-SHA256 as MTI, we'll add recommendations for other
algorithms later.

-- Juliusz

v2.23.0 | Report a Bug | By Email