Re: Compression and zstd licensing update

"Salz, Rich" <rsalz@akamai.com> Mon, 02 October 2017 15:01 UTC

Return-Path: <rsalz@akamai.com>
X-Original-To: quic@ietfa.amsl.com
Delivered-To: quic@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 26D86134695 for <quic@ietfa.amsl.com>; Mon, 2 Oct 2017 08:01:17 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.7
X-Spam-Level:
X-Spam-Status: No, score=-2.7 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=akamai.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 n6zhuK3moPNI for <quic@ietfa.amsl.com>; Mon, 2 Oct 2017 08:01:11 -0700 (PDT)
Received: from mx0a-00190b01.pphosted.com (mx0a-00190b01.pphosted.com [67.231.149.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 1FC41134691 for <quic@ietf.org>; Mon, 2 Oct 2017 08:01:10 -0700 (PDT)
Received: from pps.filterd (m0122332.ppops.net [127.0.0.1]) by mx0a-00190b01.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id v92Ev5r6026530; Mon, 2 Oct 2017 16:01:09 +0100
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; h=from : to : cc : subject : date : message-id : references : in-reply-to : content-type : mime-version; s=jan2016.eng; bh=mirAUVZ4Blt5HCo3Qc1f8NrsQ9SMTwriORNGO8a9QWE=; b=F7HwS+VK3BZwh+EXiJhpRy4h5gBMNn5DQfr5tDyPfS/RoOv9XIpWnfmdJED6qvvyisIo agSK72WZljJqvEKrZV4noJlHL39H+J2si1AIMu3O7lUw1RifS4pq/Ge0xOHyVm2ljpYw 7GeBx0XL72412FS+2RmPCpBsmCQVXXksxTwc+W+N+ZRGgjakhgonz+/KbqKt6LeU0v9Z FVN9E7Ty2z7NOrqBWvO3+qhfeSUqtVFHcuoIoaOfK0qaHQ/iQ6lEJqLHcUr8vfeust6l k8LV78xurdDCip7XgZhlNdfp71sCnXASuQVG2qJcLc3oYxhyAWTsP+VKQlnDFilY7McM ew==
Received: from prod-mail-ppoint2 (prod-mail-ppoint2.akamai.com [184.51.33.19]) by mx0a-00190b01.pphosted.com with ESMTP id 2da3agbr55-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 02 Oct 2017 16:01:08 +0100
Received: from pps.filterd (prod-mail-ppoint2.akamai.com [127.0.0.1]) by prod-mail-ppoint2.akamai.com (8.16.0.21/8.16.0.21) with SMTP id v92F11QS001392; Mon, 2 Oct 2017 11:01:07 -0400
Received: from email.msg.corp.akamai.com ([172.27.25.34]) by prod-mail-ppoint2.akamai.com with ESMTP id 2da6ku4r9k-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Mon, 02 Oct 2017 11:01:07 -0400
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com (172.27.27.101) by ustx2ex-dag1mb1.msg.corp.akamai.com (172.27.27.101) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Mon, 2 Oct 2017 10:01:06 -0500
Received: from USTX2EX-DAG1MB1.msg.corp.akamai.com ([172.27.6.131]) by ustx2ex-dag1mb1.msg.corp.akamai.com ([172.27.6.131]) with mapi id 15.00.1263.000; Mon, 2 Oct 2017 10:01:06 -0500
From: "Salz, Rich" <rsalz@akamai.com>
To: Eric Rescorla <ekr@rtfm.com>, Mikkel Fahnøe Jørgensen <mikkelfj@gmail.com>
CC: IETF QUIC WG <quic@ietf.org>
Subject: Re: Compression and zstd licensing update
Thread-Topic: Compression and zstd licensing update
Thread-Index: AQHTO1/Eo9QG87tGXUONxY8oVPG1l6LQ+XYAgAACJwA=
Date: Mon, 02 Oct 2017 15:01:06 +0000
Message-ID: <5266A1B3-3DD5-40B1-98A2-3C9AFA8D1B71@akamai.com>
References: <CAN1APddm+vU4JsMBJLCoGiyOhjPBnFP=d2DeSzm983+GY0nYMg@mail.gmail.com> <CABcZeBNfHRss-q6vT7jUx0q5T1c_qhasXpSJXLk5TqnPZYANng@mail.gmail.com>
In-Reply-To: <CABcZeBNfHRss-q6vT7jUx0q5T1c_qhasXpSJXLk5TqnPZYANng@mail.gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/f.26.0.170902
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [172.19.32.225]
Content-Type: multipart/alternative; boundary="_000_5266A1B33DD540B198A23C9AFA8D1B71akamaicom_"
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-10-02_03:, , signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1710020219
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-10-02_03:, , signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1710020218
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic/Oe4vT5TVprTcqE5wXqd0qKUq7kM>
X-BeenThere: quic@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Main mailing list of the IETF QUIC working group <quic.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/quic>, <mailto:quic-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/quic/>
List-Post: <mailto:quic@ietf.org>
List-Help: <mailto:quic-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/quic>, <mailto:quic-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 02 Oct 2017 15:01:17 -0000

> I would not be in favor of including any compression of the plaintext in QUIC. We already know that compression + encryption is dangerous, which is why we removed it from TLS 1.3.

Strongly agree.  Been there, done that, got the CVE.
Leave it up to the application layer.