[DNSOP] Fwd: New Version Notification for draft-sury-toorop-dns-cookies-algorithms-00.txt

Willem Toorop <willem@nlnetlabs.nl> Tue, 12 March 2019 11:29 UTC

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Subject: [DNSOP] Fwd: New Version Notification for draft-sury-toorop-dns-cookies-algorithms-00.txt
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Dear DNSOP,

A new draft has been submitted addressing the issue of DNS Cookies in
multi-vendor anycast deployments.

DNS Cookies are currently impractical in such deployments, because one
implementation - even though it shares its secret with another
implementation - cannot validate the Server Cookies constructed by that
other implementation, because their methods for constructing Server
Cookies differ.

This draft provides precise directions for creating Server Cookies to
align the implementations.  In doing so, this draft introduces a
registry for functions suitable for Cookie construction.  More
specifically, FNV and HMAC-SHA-256-64 are obsoleted and SipHash-2.4 is
introduced as a suitable function.

Willem

-------- Forwarded Message --------
Subject: New Version Notification for
draft-sury-toorop-dns-cookies-algorithms-00.txt
Date: Mon, 11 Mar 2019 09:12:24 -0700
From: internet-drafts@ietf.org
To: Willem Toorop <willem@nlnetlabs.nl>nl>, Ondrej Sury <ondrej@isc.org>


A new version of I-D, draft-sury-toorop-dns-cookies-algorithms-00.txt
has been successfully submitted by Willem Toorop and posted to the
IETF repository.

Name:		draft-sury-toorop-dns-cookies-algorithms
Revision:	00
Title:		Algorithms for Domain Name System (DNS) Cookies construction
Document date:	2019-03-11
Group:		Individual Submission
Pages:		7
URL:
https://www.ietf.org/internet-drafts/draft-sury-toorop-dns-cookies-algorithms-00.txt
Status:
https://datatracker.ietf.org/doc/draft-sury-toorop-dns-cookies-algorithms/
Htmlized:
https://tools.ietf.org/html/draft-sury-toorop-dns-cookies-algorithms-00
Htmlized:
https://datatracker.ietf.org/doc/html/draft-sury-toorop-dns-cookies-algorithms


Abstract:
   [RFC7873] left the construction of Server Cookies to the discretion
   of the DNS Server (implementer) which has resulted in a gallimaufry
   of different implementations.  As a result, DNS Cookies are
   impractical to deploy on multi-vendor anycast networks, because the
   Server Cookie constructed by one implementation cannot be validated
   by another.

   This document provides precise directions for creating Server Cookies
   to address this issue.  Furthermore, [FNV] is obsoleted as a suitable
   Hash function for calculating DNS Cookies.  [SipHash-2.4] is
   introduced as a new REQUIRED Hash function for calculating DNS
   Cookies.

   This document updates [RFC7873]




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