Re: [secdir] secdir review of draft-ietf-lisp-lcaf-15

David Mandelberg <david@mandelberg.org> Sat, 01 October 2016 18:53 UTC

Return-Path: <david@mandelberg.org>
X-Original-To: secdir@ietfa.amsl.com
Delivered-To: secdir@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id BD03B12B105 for <secdir@ietfa.amsl.com>; Sat, 1 Oct 2016 11:53:47 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -0.7
X-Spam-Level:
X-Spam-Status: No, score=-0.7 tagged_above=-999 required=5 tests=[DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7] autolearn=unavailable autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=yahoo.com
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 bM3MGtlkBT83 for <secdir@ietfa.amsl.com>; Sat, 1 Oct 2016 11:53:46 -0700 (PDT)
Received: from nm14-vm8.access.bullet.mail.bf1.yahoo.com (nm14-vm8.access.bullet.mail.bf1.yahoo.com [216.109.115.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id EF80B12B0F8 for <secdir@ietf.org>; Sat, 1 Oct 2016 11:53:45 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1475348024; bh=livEWbglfg/DwsjWGHA6V/DtI8bQJ1KY7OxO4MdF0eg=; h=Subject:To:References:Cc:From:Date:In-Reply-To:From:Subject; b=lXixKRfETIbPNy4RTtdrnCLMQMymgOi7qRTa1uuU+ZZHF4xhRZIgyEqsdBSMEZJFLwbfyPgCrg+kzm9FnkP/ygFtxTrpxeX3miLLcxyWVQx1MuT6+O5avBPq/7kYhRfEiC0RCCrXpapPXTZ0cJJhcUMfcPw9Cfn/6VZvCCUrCaI4QyniPk6he03wQk8+2Wb/9mJm45CEC45zpmI7vDmKdv1VajjRxgWh29JgkWDGfE4/psBaDQ7CmuiOeyjPYMAZIHyz74rG6zGgfdZxsA+VOTn7IZEhgcwPIuaRlvrW8RCym8V0d6GZb3dIBQFPd7VIRxSFiFqP6A682xGDoPyiIQ==
Received: from [66.196.81.160] by nm14.access.bullet.mail.bf1.yahoo.com with NNFMP; 01 Oct 2016 18:53:44 -0000
Received: from [98.138.104.96] by tm6.access.bullet.mail.bf1.yahoo.com with NNFMP; 01 Oct 2016 18:53:44 -0000
Received: from [127.0.0.1] by smtp116.sbc.mail.ne1.yahoo.com with NNFMP; 01 Oct 2016 18:53:44 -0000
X-Yahoo-Newman-Id: 436499.53093.bm@smtp116.sbc.mail.ne1.yahoo.com
X-Yahoo-Newman-Property: ymail-3
X-YMail-OSG: 9ifxSwAVM1ncyukM8cVQI1FMHfQf3rpshFPVONIRgvtWA2_ CLq0R3Am.gHcne66eQEzf.sk43oud7R.bLbDEjwGduioWcTJSnjD4V6Fq5jE O829CsQAQ8aXMhRrEVmGRYurdGUb9RYY7QRqwDxdsdWlwIzyTppRYAekQAbB seblu1UtFC.ZE2Uh8rxj_rik761m4WmeYggcKQrCEg1JV7mhlXKo2TOWypB0 e1VBE3aLcqylTDPeYn4YNWtAM4ZZoCqnF6VVZ8VX0Xa3UrPsnLevybXd.vUz tyI_lzFVHKIlqfL4nrlmfYny.zkpG9AuISbs8bVSvXuiNlKrqWsgfj.NC0R4 2PwA5FUgUYXeu5N2skRrjqObmSJvO9W59Pap5R0uhS5xLv10i5hqYm1NFO8v HDuGLCQmLE7P4ITjwBbSMntLx4rv1Bhf9ki7icbHzNEhTZLkJPHI5KzJxBur ZYMIWg_mZD_do1huIHvRru547YJ.hyzg75fpimT9rKBc4Nv9xQV79w4ZiA25 Wb_1Vm6N6EaPbTpljWulrX1CSWrBJPwASHj5TPBZ1THF9.J3H
X-Yahoo-SMTP: 4kJJK.qswBDPuwyc5wW.BPAQqNXdy5j09UNyeAS0pyOQ708-
Received: from [192.168.1.153] (209-6-88-55.c3-0.smr-ubr1.sbo-smr.ma.cable.rcn.com [209.6.88.55]) by uriel.mandelberg.org (Postfix) with ESMTPSA id 6DB4A1C603B; Sat, 1 Oct 2016 14:53:43 -0400 (EDT)
To: Dino Farinacci <farinacci@gmail.com>
References: <17032e8e-f1d0-8fb4-7294-2e2ca5c9fb06@mandelberg.org> <2290972B-B93D-496A-8AF3-16B72D19B654@gmail.com> <cea887fa-f076-2ada-c9c8-fce548dccfca@mandelberg.org> <D896C233-1414-4635-9DE3-FE10A7BF1E69@gmail.com> <4c2ca5d7-ce89-b107-f7fa-1f22ba19eaf5@mandelberg.org> <D5F42B1E-2B22-4B03-9084-65086169C1E0@gmail.com>
From: David Mandelberg <david@mandelberg.org>
Message-ID: <e2b4a503-356d-e581-7a27-406378161148@mandelberg.org>
Date: Sat, 1 Oct 2016 14:53:38 -0400
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.2.0
MIME-Version: 1.0
In-Reply-To: <D5F42B1E-2B22-4B03-9084-65086169C1E0@gmail.com>
Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="0PuvOcO4xPgo0vNKhiuGXX4Mc1CrEcvMV"
Archived-At: <https://mailarchive.ietf.org/arch/msg/secdir/UqR6y2SEjKWTZmMZPhy1JCo8FMU>
Cc: The IESG <iesg@ietf.org>, draft-ietf-lisp-lcaf.all@ietf.org, secdir@ietf.org
Subject: Re: [secdir] secdir review of draft-ietf-lisp-lcaf-15
X-BeenThere: secdir@ietf.org
X-Mailman-Version: 2.1.17
Precedence: list
List-Id: Security Area Directorate <secdir.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/secdir>, <mailto:secdir-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/secdir/>
List-Post: <mailto:secdir@ietf.org>
List-Help: <mailto:secdir-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/secdir>, <mailto:secdir-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sat, 01 Oct 2016 18:53:48 -0000

On 10/01/2016 02:30 PM, Dino Farinacci wrote:
> 
>> On Oct 1, 2016, at 10:28 AM, DavidMandelberg <david@mandelberg.org> wrote:
>>
>> are distinct LCAF addresses. Additionally, if an LCAF address is
>> digitally signed or MACed, the specific encoding of the address must be
>> preserved in order for the signature or MAC to be valid on receipt.
> 
> Okay so based in this text I finally get the point of your comment. 
> 
> But what you state is not true. These addresses are content in a message. If a message is signed and includes an address if the signer, that address is from the Io header. 
> 
> And no matter how the address is encoded, it always shows up as AFI=1 and an IPv4 address. 

Gotcha, it seems I misunderstood how LCAF will be used. Sorry for the noise.

> 
> Dino
> 


-- 
David Eric Mandelberg / dseomn
http://david.mandelberg.org/