Re: Web Keys and HTTP Signatures

Carsten Bormann <cabo@tzi.org> Wed, 17 April 2013 22:04 UTC

Return-Path: <ietf-http-wg-request@listhub.w3.org>
X-Original-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Delivered-To: ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 7BC351F0D16 for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 17 Apr 2013 15:04:21 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -8.074
X-Spam-Level:
X-Spam-Status: No, score=-8.074 tagged_above=-999 required=5 tests=[AWL=2.525, BAYES_00=-2.599, RCVD_IN_DNSWL_HI=-8]
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 3xTZWwjY0ZNs for <ietfarch-httpbisa-archive-bis2Juki@ietfa.amsl.com>; Wed, 17 Apr 2013 15:04:21 -0700 (PDT)
Received: from frink.w3.org (frink.w3.org [128.30.52.56]) by ietfa.amsl.com (Postfix) with ESMTP id DAFDB1F0D14 for <httpbisa-archive-bis2Juki@lists.ietf.org>; Wed, 17 Apr 2013 15:04:20 -0700 (PDT)
Received: from lists by frink.w3.org with local (Exim 4.72) (envelope-from <ietf-http-wg-request@listhub.w3.org>) id 1USaSD-0004QB-9Y for ietf-http-wg-dist@listhub.w3.org; Wed, 17 Apr 2013 22:03:49 +0000
Resent-Date: Wed, 17 Apr 2013 22:03:49 +0000
Resent-Message-Id: <E1USaSD-0004QB-9Y@frink.w3.org>
Received: from lisa.w3.org ([128.30.52.41]) by frink.w3.org with esmtp (Exim 4.72) (envelope-from <cabo@tzi.org>) id 1USaSB-0004PR-2r; Wed, 17 Apr 2013 22:03:47 +0000
Received: from mailhost.informatik.uni-bremen.de ([134.102.201.18] helo=informatik.uni-bremen.de) by lisa.w3.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from <cabo@tzi.org>) id 1USaS9-0005DL-Q7; Wed, 17 Apr 2013 22:03:47 +0000
X-Virus-Scanned: amavisd-new at informatik.uni-bremen.de
Received: from smtp-fb3.informatik.uni-bremen.de (smtp-fb3.informatik.uni-bremen.de [134.102.224.120]) by informatik.uni-bremen.de (8.14.4/8.14.4) with ESMTP id r3HM3G8m025524; Thu, 18 Apr 2013 00:03:16 +0200 (CEST)
Received: from [192.168.217.105] (p548933CC.dip.t-dialin.net [84.137.51.204]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (No client certificate requested) by smtp-fb3.informatik.uni-bremen.de (Postfix) with ESMTPSA id E5A103BBE; Thu, 18 Apr 2013 00:03:15 +0200 (CEST)
Mime-Version: 1.0 (Mac OS X Mail 6.3 \(1503\))
Content-Type: text/plain; charset="iso-8859-1"
From: Carsten Bormann <cabo@tzi.org>
In-Reply-To: <516F14E1.5040503@digitalbazaar.com>
Date: Thu, 18 Apr 2013 00:03:14 +0200
Cc: Web Payments CG <public-webpayments@w3.org>, ietf-http-wg@w3.org
Content-Transfer-Encoding: quoted-printable
Message-Id: <9DF0F237-62DC-4E82-A545-B09C6083849B@tzi.org>
References: <516F14E1.5040503@digitalbazaar.com>
To: Manu Sporny <msporny@digitalbazaar.com>
X-Mailer: Apple Mail (2.1503)
Received-SPF: none client-ip=134.102.201.18; envelope-from=cabo@tzi.org; helo=informatik.uni-bremen.de
X-W3C-Hub-Spam-Status: No, score=-4.6
X-W3C-Hub-Spam-Report: AWL=-2.300, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001
X-W3C-Scan-Sig: lisa.w3.org 1USaS9-0005DL-Q7 d432a8b8c2d7cf75e8d678228a376a87
X-Original-To: ietf-http-wg@w3.org
Subject: Re: Web Keys and HTTP Signatures
Archived-At: <http://www.w3.org/mid/9DF0F237-62DC-4E82-A545-B09C6083849B@tzi.org>
Resent-From: ietf-http-wg@w3.org
X-Mailing-List: <ietf-http-wg@w3.org> archive/latest/17308
X-Loop: ietf-http-wg@w3.org
Resent-Sender: ietf-http-wg-request@w3.org
Precedence: list
List-Id: <ietf-http-wg.w3.org>
List-Help: <http://www.w3.org/Mail/>
List-Post: <mailto:ietf-http-wg@w3.org>
List-Unsubscribe: <mailto:ietf-http-wg-request@w3.org?subject=unsubscribe>

On Apr 17, 2013, at 23:32, Manu Sporny <msporny@digitalbazaar.com> wrote:

> https://github.com/joyent/node-http-signature/blob/master/http_signing.md

I looked at this for about 5 seconds, but are you telling us the attacker gets to choose what the lines in the signed string are supposed to mean?

Grüße, Carsten