IETF Logo Mail Archive

Re: DNSCurve vs. DNSSEC - FIGHT! (was OpenDNS today announced it has adopted DNSCurve to secure DNS)

Phillip Hallam-Baker <hallam@gmail.com> Thu, 25 February 2010 00:26 UTC

Return-Path: <hallam@gmail.com>
X-Original-To: ietf@core3.amsl.com
Delivered-To: ietf@core3.amsl.com
Received: from localhost (localhost [127.0.0.1]) by core3.amsl.com (Postfix) with ESMTP id 4314A3A7C68 for <ietf@core3.amsl.com>; Wed, 24 Feb 2010 16:26:21 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.449
X-Spam-Level:
X-Spam-Status: No, score=-2.449 tagged_above=-999 required=5 tests=[AWL=0.150, BAYES_00=-2.599]
Received: from mail.ietf.org ([64.170.98.32]) by localhost (core3.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id WfwMa2ZtsTZo for <ietf@core3.amsl.com>; Wed, 24 Feb 2010 16:26:20 -0800 (PST)
Received: from mail-iw0-f191.google.com (mail-iw0-f191.google.com [209.85.223.191]) by core3.amsl.com (Postfix) with ESMTP id 0D5DA28C16B for <ietf@ietf.org>; Wed, 24 Feb 2010 16:26:19 -0800 (PST)
Received: by iwn29 with SMTP id 29so3883866iwn.31 for <ietf@ietf.org>; Wed, 24 Feb 2010 16:28:26 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=XEu3z4gM54V5gHqlE+8sGvpiOMF8WB1FrXfX9hx9F3w=; b=mJs/2aYic14nBDd6sFK0aOCfo02n4N8gQ3V50xaFHmyeHatti08oCpio/O3ngOPLpB tBXglo8lTgH4CdPQm9YZ3U9TbIfeS1UJGuW6tsgGpJ+/oJ2C3zrbNQdmXmZVDVEtO04i 7o+8RQ9Der3+LEClrOJyE7d4yczADmgqlpu5Y=
DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=mSmVuRaaddnjkyKqhufH8u8mxWnpuKCWVf2mXXCZp9OGzQQRDxBDzq5eR+sFlP7o/C XkgxqKjxe0k0IRpFi8rUykgMHkr6JHDOB6helF7i0+Ctdhe4yrEBhRcuZZYHE4uBBqPH oi+EbaHhbnIen0YDtWqPoAvmRadLc1O8zyrzw=
MIME-Version: 1.0
Received: by 10.231.143.12 with SMTP id s12mr1015991ibu.38.1267057705932; Wed, 24 Feb 2010 16:28:25 -0800 (PST)
In-Reply-To: <1267039830.9710.11106.camel@shane-asus-laptop>
References: <874c02a21002231826y613b9f97ya83740ba240f7bf9@mail.gmail.com> <ABE739C5ADAC9A41ACCC72DF366B719D02C29D87@GLKMS2100.GREENLNK.NET> <a123a5d61002240700i4a68367tf901b91265f79da1@mail.gmail.com> <1267039830.9710.11106.camel@shane-asus-laptop>
Date: Wed, 24 Feb 2010 19:28:25 -0500
Message-ID: <a123a5d61002241628m586e9e7dr48b9068e0edf9745@mail.gmail.com>
Subject: Re: DNSCurve vs. DNSSEC - FIGHT! (was OpenDNS today announced it has adopted DNSCurve to secure DNS)
From: Phillip Hallam-Baker <hallam@gmail.com>
To: Shane Kerr <shane@isc.org>
Content-Type: text/plain; charset="ISO-8859-1"
Content-Transfer-Encoding: quoted-printable
X-Mailman-Approved-At: Thu, 25 Feb 2010 08:17:25 -0800
Cc: IETF Discussion <ietf@ietf.org>
X-BeenThere: ietf@ietf.org
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: IETF-Discussion <ietf.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/ietf>
List-Post: <mailto:ietf@ietf.org>
List-Help: <mailto:ietf-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/ietf>, <mailto:ietf-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 25 Feb 2010 00:26:21 -0000

You do not make problems disappear by declaring them out of scope.

Security systems are social systems. If you have not considered the
business and social issues you haven't got a system.

Security is about people, not protocols.

On Wed, Feb 24, 2010 at 2:30 PM, Shane Kerr <shane@isc.org> wrote:
> Phillip,
>
> On Wed, 2010-02-24 at 10:00 -0500, Phillip Hallam-Baker wrote:
>> I took a look at DNSCurve. Some points:
>>
>> * It could certainly win.
>> * It is designed as a hack rather than an extension.
>> * It considers real world requirements that DNSSEC does not.
>>
>> On the 'winning' front. Have people noticed that the IETF has only
>> ever succeeded in developing security standards by appropriating
>> systems that had already defeated the IETF generated solution? PGP was
>> not developed in house, it was a reaction to PEM. SSL was developed by
>> Netscape. X.509 came from OSI.
>
> DNSCurve and DNSSEC are orthogonal, and solve different - if related -
> problems.
>
> DNSSEC declares out of scope:
>
>      * the channel where DS records get added to the parent
>      * encryption (which I think DNSCurve provides)
>
> DNSCurve declares out of scope:
>
>      * the channel where the magic NS records get added to the parent
>      * the channel where records get sent from the parent to the name
>        servers in the RRSET
>      * master or slave name server compromises
>      * off-line secret key handling
>
> Depending on what you consider important, either technology may or may
> not be what you want. You could, in principle, use both, and it actually
> would provide different types of security.
>
> --
> Shane
>
>



-- 
-- 
New Website: http://hallambaker.com/
View Quantum of Stupid podcasts, Tuesday and Thursday each week,
http://quantumofstupid.com/

v2.23.0 | Report a Bug | By Email