Return-Path: 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 39967120845 for ; Tue, 15 Oct 2019 10:48:57 -0700 (PDT) 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_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 MtJyPFhpoSft for ; Tue, 15 Oct 2019 10:48:54 -0700 (PDT) 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 ACA57120840 for ; Tue, 15 Oct 2019 10:48:54 -0700 (PDT) Received: from github-lowworker-275fa97.va3-iad.github.net (github-lowworker-275fa97.va3-iad.github.net [10.48.17.64]) by smtp.github.com (Postfix) with ESMTP id 08DFB1C2EBB for ; Tue, 15 Oct 2019 10:48:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1571161734; bh=pxpNY8DsTF0g2PmwxsE5sOJghEyJq2WOFNj47uO8kZE=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=MZGGgfvw8C0H5bnZjJ+GFd8vdZ3kGT3KZG9+yNC+xyi6OhyKwNkxkg7Ak1brSqTUk uZiGxriAkOsMm45dSdeYcD9/sNwQMjCrGVyfq+uBfHeQ25Yt1TyNGvVD7gdxFaD0JH 6QMAJUL7E0qpThk5OdMJK4/QYNbojW1Bmx7+ZCDY= Date: Tue, 15 Oct 2019 10:48:53 -0700 From: Jana Iyengar Reply-To: quicwg/base-drafts To: quicwg/base-drafts Cc: Subscribed Message-ID: In-Reply-To: References: Subject: Re: [quicwg/base-drafts] Stateless reset comparisons (constant time/any order/datagram) (#2993) Mime-Version: 1.0 Content-Type: multipart/alternative; boundary="--==_mimepart_5da60685edc10_7d093f95094cd960707040"; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: list X-GitHub-Sender: janaiyengar X-GitHub-Recipient: quic-issues X-GitHub-Reason: subscribed X-Auto-Response-Suppress: All X-GitHub-Recipient-Address: quic-issues@ietf.org Archived-At: X-BeenThere: quic-issues@ietf.org X-Mailman-Version: 2.1.29 List-Id: Notification list for GitHub issues related to the QUIC WG List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Oct 2019 17:48:57 -0000 ----==_mimepart_5da60685edc10_7d093f95094cd960707040 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit janaiyengar commented on this pull request. > @@ -2529,20 +2529,35 @@ the packet other than the last 16 bytes for carrying data. ### Detecting a Stateless Reset -An endpoint detects a potential stateless reset when an incoming packet either -cannot be associated with a connection, cannot be decrypted, or is marked as a -duplicate packet. The endpoint MUST then compare the last 16 bytes of the -packet with all Stateless Reset Tokens that are associated with connection IDs -that the endpoint recently used to send packets from the IP address and port on -which the datagram is received. This includes Stateless Reset Tokens from -NEW_CONNECTION_ID frames and the server's transport parameters. An endpoint -MUST NOT check for any Stateless Reset Tokens associated with connection IDs it -has not used or for connection IDs that have been retired. - -If the last 16 bytes of the packet values are identical to a Stateless Reset +An endpoint detects a potential stateless reset using the trailing 16 bytes of +the UDP datagram. The endpoint compare the last 16 bytes of the datagram with ```suggestion the UDP datagram. The endpoint compares the last 16 bytes of the datagram with ``` -- 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/pull/2993#pullrequestreview-302086957 ----==_mimepart_5da60685edc10_7d093f95094cd960707040 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

@janaiyengar commented on this pull request.

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In draft-ietf-quic-transport.md:

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> @@ -2529,20 +2529,35 @@ the packet other t=
han the last 16 bytes for carrying data.=0D
 =0D
 ### Detecting a Stateless Reset=0D
 =0D
-An endpoint detects a potential stateless reset when an incoming packet =
either=0D
-cannot be associated with a connection, cannot be decrypted, or is marke=
d as a=0D
-duplicate packet.  The endpoint MUST then compare the last 16 bytes of t=
he=0D
-packet with all Stateless Reset Tokens that are associated with connecti=
on IDs=0D
-that the endpoint recently used to send packets from the IP address and =
port on=0D
-which the datagram is received.  This includes Stateless Reset Tokens fr=
om=0D
-NEW_CONNECTION_ID frames and the server's transport parameters.  An =
endpoint=0D
-MUST NOT check for any Stateless Reset Tokens associated with connection=
 IDs it=0D
-has not used or for connection IDs that have been retired.=0D
-=0D
-If the last 16 bytes of the packet values are identical to a Stateless R=
eset=0D
+An endpoint detects a potential stateless reset using the trailing 16 by=
tes of=0D
+the UDP datagram.  The endpoint compare the last 16 bytes of the datagra=
m with=0D
=0D =E2=AC=87=EF=B8=8F Suggested change=0D 
-the UDP datagram.  The endpoint compare the l=
ast 16 bytes of the datagram with=0D
+the UDP datagram.  The endpoint compares the last 16 bytes of the datagr=
am with=0D
=0D =0D =0D

&m= dash;
You are receiving this because you are subscribed to this thre= ad.
Reply to this email directly, view it on GitHub, or unsubscribe= .3D""<= /p>=0D = ----==_mimepart_5da60685edc10_7d093f95094cd960707040--