Re: [saag] AD review of draft-iab-crypto-alg-agility-06
Martin Thomson <martin.thomson@gmail.com> Thu, 27 August 2015 20:50 UTC
Return-Path: <martin.thomson@gmail.com>
X-Original-To: saag@ietfa.amsl.com
Delivered-To: saag@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 9C71A1ACCE3 for <saag@ietfa.amsl.com>; Thu, 27 Aug 2015 13:50:50 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FREEMAIL_FROM=0.001, SPF_PASS=-0.001] autolearn=ham
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 4T2ujxE0rZRv for <saag@ietfa.amsl.com>; Thu, 27 Aug 2015 13:50:49 -0700 (PDT)
Received: from mail-yk0-x230.google.com (mail-yk0-x230.google.com [IPv6:2607:f8b0:4002:c07::230]) (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 4EB7C1A039A for <saag@ietf.org>; Thu, 27 Aug 2015 13:50:49 -0700 (PDT)
Received: by ykdt205 with SMTP id t205so33951947ykd.1 for <saag@ietf.org>; Thu, 27 Aug 2015 13:50:48 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=5LuTf+yLQBGXQwNdixf8No0RsytGCYDqK7VBUoaX8Dc=; b=W08ZK7Zu6ZM2fifXLOVtKGIb2B7V69/QBLLfSMVIV/15o+IXliKEvrXTr+OQRB5R44 qzRn5AAC8kmFG78TVRFoZ7yWioH1hznZ44ZCzzcD4B1Y1RXhXTadL+gfChOx1+xeyZzD j+RzEE/CRhPA3cMPG8IJimkgTl95ovpJ+4L1m5XWNNy4EzzFSPntD8BttlSlYg/p4Lgd ZwgWQzPbIMQlYh/0Wn5tqYhxLfdPJvjOjB2nZlxUy6vMoRMmIR0aYkBYAPH+fJQCmELz wBlC8VENzoj41SvyJ78SNLNBsaFVJJlUAGWRllURamOV5WS5ypM/fHBXBqeGq5kgAXCD hsHA==
MIME-Version: 1.0
X-Received: by 10.13.234.138 with SMTP id t132mr5488801ywe.89.1440708648736; Thu, 27 Aug 2015 13:50:48 -0700 (PDT)
Received: by 10.129.133.130 with HTTP; Thu, 27 Aug 2015 13:50:48 -0700 (PDT)
In-Reply-To: <CACsn0cnVAPWxwyjSTzBkEyTNipybATceLo7h9jntjFnwirKSmQ@mail.gmail.com>
References: <20150728053035.GR4347@mournblade.imrryr.org> <CAHbuEH7B3_G9vAhw=U2tuz-Uh8mKMUfL6s=H+BOG96FDZaACig@mail.gmail.com> <20150824212907.GN9021@mournblade.imrryr.org> <619ffebb05ba4e2a9af03a6dcc768d6e@ustx2ex-dag1mb2.msg.corp.akamai.com> <20150824215037.GO9021@mournblade.imrryr.org> <9A043F3CF02CD34C8E74AC1594475C73F4AE62A1@uxcn10-5.UoA.auckland.ac.nz> <20150825134333.GX9021@mournblade.imrryr.org> <6b5167f3d0684a8a91caa6d37dec65e3@ustx2ex-dag1mb2.msg.corp.akamai.com> <20150825160627.GH9021@mournblade.imrryr.org> <55DC961A.903@cs.tcd.ie> <20150826055240.GD13302@localhost> <55DD89F2.8050801@cs.tcd.ie> <CACsn0cnVAPWxwyjSTzBkEyTNipybATceLo7h9jntjFnwirKSmQ@mail.gmail.com>
Date: Thu, 27 Aug 2015 13:50:48 -0700
Message-ID: <CABkgnnUOs6CMFAaBfB6dHXdn+PKemsSaX_Yy-9cCBcNJq7jZrA@mail.gmail.com>
From: Martin Thomson <martin.thomson@gmail.com>
To: Watson Ladd <watsonbladd@gmail.com>
Content-Type: text/plain; charset="UTF-8"
Archived-At: <http://mailarchive.ietf.org/arch/msg/saag/ENuucvDPwGbJS4Gi78I82-_7MOs>
Cc: "saag@ietf.org" <saag@ietf.org>
Subject: Re: [saag] AD review of draft-iab-crypto-alg-agility-06
X-BeenThere: saag@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Security Area Advisory Group <saag.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/saag>, <mailto:saag-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/saag/>
List-Post: <mailto:saag@ietf.org>
List-Help: <mailto:saag-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/saag>, <mailto:saag-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 27 Aug 2015 20:50:50 -0000
On 27 August 2015 at 13:37, Watson Ladd <watsonbladd@gmail.com> wrote: > At what point can we remove the code from OpenSSL? That's the endpoint > we should be aiming for. I expect this to progress roughly as follows (for Firefox, and in general): 1. announcement 2. disable, maybe with a way to manually override 3. disable with no override 4. disable this on the last of the servers 5. remove from the library You are asking about step 5, which is important, but some of the intermediate steps have a non-trivial benefit too. The reason for step 4 is a little ugly. We run openssl on our download servers. We want to offer Firefox downloads to users who have old and busted browsers. That means we need to be a little more promiscuous on those servers than we might otherwise want to be. That means that we also don't do anything much of importance on those same servers. We want security updates too, so we want new versions of openssl that will support us. That means that openssl will likely support old and crufty stuff for longer than you might think. We still haven't disabled SSLv2 in NSS, but that's laziness. The reason will still have SSLv3 in NSS is in part due to step 4.
- [saag] AD review of draft-iab-crypto-alg-agility-… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Paul Hoffman
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Black, David
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Kathleen Moriarty
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Eliot Lear
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Derek Atkins
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Watson Ladd
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… ianG
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Black, David
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Black, David
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… ianG
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Christian Huitema
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Kathleen Moriarty
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Martin Thomson
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Kathleen Moriarty
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… David Misell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Peter Gutmann
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Peter Gutmann
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Peter Gutmann
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Kathleen Moriarty
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Kathleen Moriarty
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Martin Thomson
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Yoav Nir
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Paterson, Kenny
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Stephen Farrell
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Paterson, Kenny
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Peter Gutmann
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Eliot Lear
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Derek Atkins
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Martin Thomson
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Watson Ladd
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Martin Thomson
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Joel Sing
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Eliot Lear
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Eliot Lear
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Eliot Lear
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Salz, Rich
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Christian Huitema
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Watson Ladd
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Nico Williams
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Derek Atkins
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Viktor Dukhovni
- Re: [saag] AD review of draft-iab-crypto-alg-agil… Russ Housley