Re: [quicwg/base-drafts] Client MUST use 1-RTT packets if it reads 1-RTT packets (#2458)

Mike Bishop <notifications@github.com> Thu, 14 February 2019 22:16 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 7290F1311EA for <quic-issues@ietfa.amsl.com>; Thu, 14 Feb 2019 14:16:40 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -7.999
X-Spam-Level:
X-Spam-Status: No, score=-7.999 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_32=0.001, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, RCVD_IN_DNSWL_HI=-5, SPF_PASS=-0.001, URIBL_BLOCKED=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 ZMr_TVwnjFD1 for <quic-issues@ietfa.amsl.com>; Thu, 14 Feb 2019 14:16:39 -0800 (PST)
Received: from out-2.smtp.github.com (out-2.smtp.github.com [192.30.252.193]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id E36751311E6 for <quic-issues@ietf.org>; Thu, 14 Feb 2019 14:16:38 -0800 (PST)
Date: Thu, 14 Feb 2019 14:16:37 -0800
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1550182597; bh=0vbWhaBSXDSRcdP/eCGYGejvBzRAxSPIv3Xv0Au84Uk=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=d1/jGCouqiQCtJlapWJq56NYnkD8vYV+tOGGaFcsM+V0XR046emb/2mZnPmkexHWf j0VCPPpJpcNmhbAYPO/RFpai4w2SBaBVZm8kVOW8jgQlnd/8RPWKZ5aUpyZbFd6cnZ JPTng8LNEhvmNNekjjYs+7MMfvtmTFDx26rP1uDU=
From: Mike Bishop <notifications@github.com>
Reply-To: quicwg/base-drafts <reply+0166e4ab960f5bd2fd8c440198029d3b9c721f83311b196d92cf00000001187daac592a169ce18696af1@reply.github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <quicwg/base-drafts/issues/2458/463823382@github.com>
In-Reply-To: <quicwg/base-drafts/issues/2458@github.com>
References: <quicwg/base-drafts/issues/2458@github.com>
Subject: Re: [quicwg/base-drafts] Client MUST use 1-RTT packets if it reads 1-RTT packets (#2458)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_5c65e8c59300f_40353fae95ad45c0298941"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: MikeBishop
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/eSL1P_XaSQMnuYF4-5raQiEy2Og>
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: Thu, 14 Feb 2019 22:16:40 -0000

This actually is already addressed in the TLS draft, as @martinthomson pointed out in another thread:  [TLS 4.9](https://quicwg.org/base-drafts/draft-ietf-quic-tls.html#rfc.section.4.9), "Though an endpoint might retain older keys, new data MUST be sent at the highest
  currently-available encryption level."

If you have 1-RTT keys, you MUST use them.  There's currently no server verification that you do so, however.

-- 
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/2458#issuecomment-463823382