IETF Logo Mail Archive

Re: [quicwg/base-drafts] NEW_TOKEN and Retry tokens must be distinguishable (#3127)

Marten Seemann <notifications@github.com> Tue, 22 October 2019 03:04 UTC

Return-Path: <noreply@github.com>
X-Original-To: quic-issues@ietfa.amsl.com
Delivered-To: quic-issues@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E7EE8120024 for <quic-issues@ietfa.amsl.com>; Mon, 21 Oct 2019 20:04:12 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -6.454
X-Spam-Level:
X-Spam-Status: No, score=-6.454 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_IMAGE_ONLY_20=1.546, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, RCVD_IN_DNSWL_HI=-5, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=github.com
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 bcQ3WcfOMCQE for <quic-issues@ietfa.amsl.com>; Mon, 21 Oct 2019 20:04:11 -0700 (PDT)
Received: from out-21.smtp.github.com (out-21.smtp.github.com [192.30.252.204]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id A251412000F for <quic-issues@ietf.org>; Mon, 21 Oct 2019 20:04:11 -0700 (PDT)
Date: Mon, 21 Oct 2019 20:04:09 -0700
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1571713450; bh=hCa1Id9wb72zHI98ymovc60wOx+UlvlnqT3R9AJdYvU=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=plGh2K2iMejfVzVB1o/TjVJImiXVkRID7SeqFPcR4pKpWXR2D3thEOpncrFN0LUEh 9vyfxCoD59D6UY18th61xfvvSbvxExdIl9fj7U/9Gy10F+IS43I0y1TrZrmS0HfHd9 kz0FgJ0hRoehEaC4mPFdTwKhBkLYXpMv1XN1mMNc=
From: Marten Seemann <notifications@github.com>
Reply-To: quicwg/base-drafts <reply+AFTOJKZGIAVJE2X326FBUXF3XOSCTEVBNHHB43AR5Q@reply.github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <quicwg/base-drafts/issues/3127/544787934@github.com>
In-Reply-To: <quicwg/base-drafts/issues/3127@github.com>
References: <quicwg/base-drafts/issues/3127@github.com>
Subject: Re: [quicwg/base-drafts] NEW_TOKEN and Retry tokens must be distinguishable (#3127)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_5dae71a9f2384_3f903f952eccd9607885c"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: marten-seemann
X-GitHub-Recipient: quic-issues
X-GitHub-Reason: subscribed
X-Auto-Response-Suppress: All
X-GitHub-Recipient-Address: quic-issues@ietf.org
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic-issues/sBvPPazwcb-4b4L7IncIooJDBuw>
X-BeenThere: quic-issues@ietf.org
X-Mailman-Version: 2.1.29
List-Id: Notification list for GitHub issues related to the QUIC WG <quic-issues.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/quic-issues/>
List-Post: <mailto:quic-issues@ietf.org>
List-Help: <mailto:quic-issues-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 22 Oct 2019 03:04:13 -0000

Does that property need to hold if there are bit flips in the token?
If you’re encrypting the token, this would be easy to ensure: put the distinguishing bit under crypto cover. If you’re using a map lookup, you’ll probably have to work a little bit harder.

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/quicwg/base-drafts/issues/3127#issuecomment-544787934

v2.31.3 | Report a Bug | By Email | System Status