Return-Path: X-Original-To: 6tisch@ietfa.amsl.com Delivered-To: 6tisch@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 2937412019D for <6tisch@ietfa.amsl.com>; Tue, 30 Jul 2019 02:23:35 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -6.898 X-Spam-Level: X-Spam-Status: No, score=-6.898 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, FROM_EXCESS_BASE64=0.001, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=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 aXlow3R822A5 for <6tisch@ietfa.amsl.com>; Tue, 30 Jul 2019 02:23:33 -0700 (PDT) Received: from mail2-relais-roc.national.inria.fr (mail2-relais-roc.national.inria.fr [192.134.164.83]) (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 E598A1200DF for <6tisch@ietf.org>; Tue, 30 Jul 2019 02:23:32 -0700 (PDT) X-IronPort-AV: E=Sophos;i="5.64,326,1559512800"; d="scan'208";a="393831138" Received: from unknown (HELO [172.20.10.5]) ([37.165.217.219]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jul 2019 11:23:30 +0200 Content-Type: text/plain; charset=utf-8 Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) From: =?utf-8?B?TWFsacWhYSBWdcSNaW5pxIc=?= In-Reply-To: Date: Tue, 30 Jul 2019 11:23:30 +0200 Cc: Thomas Watteyne , 6tisch <6tisch@ietf.org> Content-Transfer-Encoding: quoted-printable Message-Id: <0DB5145D-2773-4DF0-8808-B5D248C21D26@inria.fr> References: <187B5557-C49C-44A3-AD16-C4CFF00FB91B@inria.fr> <08DADD63-7A1D-4D17-93E5-CCAC9ED7ED97@inria.fr> To: "Pascal Thubert (pthubert)" X-Mailer: Apple Mail (2.3445.104.11) Archived-At: Subject: Re: [6tisch] ASN replay attack -- proposed text X-BeenThere: 6tisch@ietf.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discuss link layer model for Deterministic IPv6 over the TSCH mode of IEEE 802.15.4e, and impacts on RPL and 6LoWPAN such as resource allocation" <6tisch.ietf.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 30 Jul 2019 09:23:35 -0000 Pascal, As Tero outlined, this information is typically available as the = metadata to the frame being received. It is up to the implementations to = ensure that such information is available when processing the frame with = a delay, otherwise things won=E2=80=99t really work.. Mali=C5=A1a > On 26 Jul 2019, at 23:20, Pascal Thubert (pthubert) = wrote: >=20 > Agreed: >=20 > I'm wondering about the delayed security processing. That processing = may be delayed beyond the current ASN. Is the ASN of the receive time = attached to the frame as a meta of sorts to enable the delayed = validation? >=20 > All the best, >=20 > Pascal >=20 >> -----Original Message----- >> From: 6tisch <6tisch-bounces@ietf.org> On Behalf Of Thomas Watteyne >> Sent: vendredi 26 juillet 2019 17:08 >> To: Mali=C5=A1a Vu=C4=8Dini=C4=87 >> Cc: 6tisch <6tisch@ietf.org> >> Subject: Re: [6tisch] ASN replay attack -- proposed text >>=20 >> Malisa, >> The text IMO explains both the problem and the solution very well, = congrats. >> Thomas >>=20 >>> On 26 Jul 2019, at 20:23, Mali=C5=A1a Vu=C4=8Dini=C4=87 = wrote: >>>=20 >>> Dear all, >>>=20 >>> I worked on the initial version of the text describing the ASN = replay attack >> and its resolution discussed during the Montreal meeting. >>>=20 >>> The text can be found at: >>>=20 >>> https://bitbucket.org/6tisch/draft-ietf-6tisch-minimal- >> security/commits/4ea5f58b1a3245a1e2a2b46f95f0fd48b2f4bb31 >>>=20 >>> Please let me know if you have any comments. >>>=20 >>> Mali=C5=A1a >>> _______________________________________________ >>> 6tisch mailing list >>> 6tisch@ietf.org >>> https://www.ietf.org/mailman/listinfo/6tisch >> _______________________________________________ >> 6tisch mailing list >> 6tisch@ietf.org >> https://www.ietf.org/mailman/listinfo/6tisch