From robert.cragie@gridmerge.com Fri Mar 16 04:03:20 2012 Return-Path: X-Original-To: pana@ietfa.amsl.com Delivered-To: pana@ietfa.amsl.com Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9F3A221F867C for ; Fri, 16 Mar 2012 04:03:20 -0700 (PDT) X-Virus-Scanned: amavisd-new at amsl.com X-Spam-Flag: NO X-Spam-Score: -2.598 X-Spam-Level: X-Spam-Status: No, score=-2.598 tagged_above=-999 required=5 tests=[BAYES_00=-2.599, HTML_MESSAGE=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1dbuQKJLoGQm for ; Fri, 16 Mar 2012 04:03:20 -0700 (PDT) Received: from mail78.extendcp.co.uk (mail78.extendcp.co.uk [79.170.40.78]) by ietfa.amsl.com (Postfix) with ESMTP id 9A0CA21F8679 for ; Fri, 16 Mar 2012 04:03:19 -0700 (PDT) Received: from client-86-29-231-138.pete.adsl.virginmedia.com ([86.29.231.138] helo=[192.168.0.2]) by mail78.extendcp.com with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.77) id 1S8UwH-0003qu-Rx for pana@ietf.org; Fri, 16 Mar 2012 11:03:18 +0000 Message-ID: <4F631E51.6030302@gridmerge.com> Date: Fri, 16 Mar 2012 11:04:49 +0000 From: Robert Cragie Organization: Gridmerge Ltd. User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:10.0.2) Gecko/20120216 Thunderbird/10.0.2 MIME-Version: 1.0 To: "pana@ietf.org" References: <20120104095307.27035.33867.idtracker@ietfa.amsl.com> In-Reply-To: <20120104095307.27035.33867.idtracker@ietfa.amsl.com> X-Forwarded-Message-Id: <20120104095307.27035.33867.idtracker@ietfa.amsl.com> Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha1; boundary="------------ms000300040907090609070905" X-Authenticated-As: robert.cragie@gridmerge.com Subject: [Pana] Fwd: New Version Notification for draft-yegin-pana-encr-avp-01.txt X-BeenThere: pana@ietf.org X-Mailman-Version: 2.1.12 Precedence: list Reply-To: robert.cragie@gridmerge.com List-Id: Protocol for carrying Authentication for Network Access List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Mar 2012 11:03:20 -0000 This is a cryptographically signed message in MIME format. --------------ms000300040907090609070905 Content-Type: multipart/alternative; boundary="------------010609040208010200000107" This is a multi-part message in MIME format. --------------010609040208010200000107 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable I would like to move this forward so I am soliciting any comments from=20 the PANA mailing list. Thanks Robert -------- Original Message -------- Subject: New Version Notification for draft-yegin-pana-encr-avp-01.txt Date: Wed, 04 Jan 2012 01:53:07 -0800 From: internet-drafts@ietf.org To: alper.yegin@yegin.org CC: robert.cragie@gridmerge.com, alper.yegin@yegin.org A new version of I-D, draft-yegin-pana-encr-avp-01.txt has been successfu= lly submitted by Alper Yegin and posted to the IETF repository. Filename: draft-yegin-pana-encr-avp Revision: 01 Title: Encrypting PANA AVPs Creation date: 2012-01-04 WG ID: Individual Submission Number of pages: 8 Abstract: This document specifies a mechanism for delivering PANA (Protocol for= Carrying Authentication for Network Access) AVPs (Attribute-Value Pairs) in encrypted form. The IETF Secretariat --------------010609040208010200000107 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable I would like to move this forward so I am soliciting any comments from the PANA mailing list.

Thanks

Robert

-------- Original Message --------

Subje= ct:	New Version Notification for draft-yegin-pana-encr-avp-01.txt
Date:=	Wed, 04 Jan 2012 01:53:07 -0800
From:=	internet-drafts@ietf.org
To: <= /th>	alper.yegin@yegin.org
CC: <= /th>	robert.cragie@gridmerge.com, alper.yegin@= yegin.org

A new version of I-D, draft-yegin-pana-encr-avp-01.txt has been =
successfully submitted by Alper Yegin and posted to the IETF repository.

Filename:	 draft-yegin-pana-encr-avp
Revision:	 01
Title:		 Encrypting PANA AVPs
Creation date:	 2012-01-04
WG ID:		 Individual Submission
Number of pages: 8

Abstract:
   This document specifies a mechanism for delivering PANA (Protocol for
   Carrying Authentication for Network Access) AVPs (Attribute-Value
   Pairs) in encrypted form.

                                                                         =
        =20


The IETF Secretariat

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X-Spam-Flag: NO X-Spam-Score: -6.089 X-Spam-Level: X-Spam-Status: No, score=-6.089 tagged_above=-999 required=5 tests=[AWL=2.000, BAYES_00=-2.599, HELO_EQ_JP=1.244, HOST_EQ_JP=1.265, RCVD_IN_DNSWL_HI=-8, UNPARSEABLE_RELAY=0.001] Received: from mail.ietf.org ([12.22.58.30]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vU+VTZ-CTDZN for ; Sun, 25 Mar 2012 23:00:15 -0700 (PDT) Received: from imx12.toshiba.co.jp (imx12.toshiba.co.jp [61.202.160.132]) by ietfa.amsl.com (Postfix) with ESMTP id B215521E8064 for ; Sun, 25 Mar 2012 23:00:11 -0700 (PDT) Received: from arc11.toshiba.co.jp ([133.199.90.127]) by imx12.toshiba.co.jp with ESMTP id q2Q609IK010878 for ; Mon, 26 Mar 2012 15:00:09 +0900 (JST) Received: (from root@localhost) by arc11.toshiba.co.jp id q2Q609SE024742 for pana@ietf.org; Mon, 26 Mar 2012 15:00:09 +0900 (JST) Received: from ovp11.toshiba.co.jp [133.199.90.148] by arc11.toshiba.co.jp with ESMTP id RAA24739; Mon, 26 Mar 2012 15:00:09 +0900 Received: from mx2.toshiba.co.jp (localhost [127.0.0.1]) by ovp11.toshiba.co.jp with ESMTP id q2Q608bh012679 for ; Mon, 26 Mar 2012 15:00:08 +0900 (JST) Received: from spiffy21.isl.rdc.toshiba.co.jp by toshiba.co.jp id q2Q608eX006785; Mon, 26 Mar 2012 15:00:08 +0900 (JST) Received: from [133.196.16.146] (ncg-dhcp146.isl.rdc.toshiba.co.jp [133.196.16.146]) by spiffy21.isl.rdc.toshiba.co.jp (Postfix) with ESMTPS id 9445F97C8B; Mon, 26 Mar 2012 15:00:08 +0900 (JST) Message-ID: <4F7005FF.4030609@isl.rdc.toshiba.co.jp> Date: Mon, 26 Mar 2012 15:00:31 +0900 From: Yasuyuki Tanaka User-Agent: Mozilla/5.0 (Windows NT 6.1; rv:11.0) Gecko/20120312 Thunderbird/11.0 MIME-Version: 1.0 To: pana@ietf.org References: <20120104095307.27035.33867.idtracker@ietfa.amsl.com> <4F631E51.6030302@gridmerge.com> In-Reply-To: <4F631E51.6030302@gridmerge.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Pana] Fwd: New Version Notification for draft-yegin-pana-encr-avp-01.txt X-BeenThere: pana@ietf.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Protocol for carrying Authentication for Network Access List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 26 Mar 2012 06:00:16 -0000 Hi, I've read the draft and I have four comments. Please see them below. Best, Yasuyuki Tanaka --------------------------------------------------------------------- (1) Section 3 I found a typo in the last sentence. > The length of PANA_ENCR_KEY depends on the integrity algorithm in > use. should be The length of PANA_ENCR_KEY depends on the *encryption* algorithm in use. --------------------------------------------------------------------- (2) Section 4 I've not found text about key size of AES to be used for AES_CTR. Probably 128-bit is assumed. It would be better to clarify the key size to be used for the algorithm and to use "AES128_CTR" or something instead of "AES_CTR". --------------------------------------------------------------------- (3) Section 4 The definition of "q" is different between the draft and NIST SP800-38C. In this draft, "q" is defined as "octet length of message length field." But in NIST SP800-38C, "q" is defined as "The octet length of the binary representation of the octet length of the payload." In addition, I don't realize what 'length of message length field' means... Why is "q" 3? The length of "Message Length" field of PANA Message Header is 2 octets... Anyway, I think the following part might cause some confusion. > AES-CTR (Counter) encryption algorithm as specified in > [NIST_SP800_38A]. The formatting function and counter generation > function as specified in Appendix A of [NIST_SP800_38C] are used, > with the following parameters: > > > n, octet length of nonce, is 12. > q, octet length of message length field, is 3. IMHO, it's better to say just "q is 3" as the definition of "q". --------------------------------------------------------------------- (4) Section 4 It would be very helpful to provide an example of the first counter. When Key-Id is 0x55667788, Session ID is 0xaabbccdd, and Sequence Number is 0x11223344, the correct first counter is 0x0255667788aabbccdd11223344000001. is it correct? --------------------------------------------------------------------- (2012/03/16 20:04), Robert Cragie wrote: > I would like to move this forward so I am soliciting any comments from > the PANA mailing list. > > Thanks > > Robert > > -------- Original Message -------- > Subject: New Version Notification for draft-yegin-pana-encr-avp-01.txt > Date: Wed, 04 Jan 2012 01:53:07 -0800 > From: internet-drafts@ietf.org > To: alper.yegin@yegin.org > CC: robert.cragie@gridmerge.com, alper.yegin@yegin.org > > > > A new version of I-D, draft-yegin-pana-encr-avp-01.txt has been successfully submitted by Alper Yegin and posted to the IETF repository. > > Filename: draft-yegin-pana-encr-avp > Revision: 01 > Title: Encrypting PANA AVPs > Creation date: 2012-01-04 > WG ID: Individual Submission > Number of pages: 8 > > Abstract: > This document specifies a mechanism for delivering PANA (Protocol for > Carrying Authentication for Network Access) AVPs (Attribute-Value > Pairs) in encrypted form. > > > > > The IETF Secretariat > > > > > _______________________________________________ > Pana mailing list > Pana@ietf.org > https://www.ietf.org/mailman/listinfo/pana