IETF Logo Mail Archive

Re: [TLS] adopted: draft-ghedini-tls-certificate-compression

"Salz, Rich" <rsalz@akamai.com> Wed, 07 June 2017 13:36 UTC

Return-Path: <rsalz@akamai.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 6131A12EC22; Wed, 7 Jun 2017 06:36:18 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2
X-Spam-Level:
X-Spam-Status: No, score=-2 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, SPF_PASS=-0.001, URIBL_BLOCKED=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 CcYBlmyGXNZX; Wed, 7 Jun 2017 06:36:16 -0700 (PDT)
Received: from mx0b-00190b01.pphosted.com (mx0b-00190b01.pphosted.com [IPv6:2620:100:9005:57f::1]) (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 B9DBA12EB0C; Wed, 7 Jun 2017 06:36:16 -0700 (PDT)
Received: from pps.filterd (m0050102.ppops.net [127.0.0.1]) by m0050102.ppops.net-00190b01. (8.16.0.21/8.16.0.21) with SMTP id v57DVmjd015773; Wed, 7 Jun 2017 14:36:12 +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 : content-transfer-encoding : mime-version; s=jan2016.eng; bh=3Y6SVJv6QRPbsfRo6jwztoxVcCOD4BjDfCzvNQgDbEU=; b=pAUHgQaoV95NWi5V2qSThOr5wxIQFhIbS7wK9X4qJ9U39DsaXD1yKlT4dMLcuBqvtRN+ v8+UoVQ/zLe7w3IwUAyHwceTqigJ+B/qbljeCxAadAViaWp3UhhxxqOGviFrSI7okNYH XHnhko8dWAa/dU9Y23u+x1Imt1dOuERR9MjmLzf/fjDtxBc2B4hfDx5UmFbN9UZLch0H FtWJJFGvAgw0KpnPer2dWcLPQ22Y5h/ghyjkhKfwXDUbT5j1RrGWN6DYRml62Co0+QX6 WHnTUjXg8UkrC4YYtxF+NcJCHNUnH0SowviiCu+bdFK8CnnZJj43wlhAU1RERxt7uQsf 1w==
Received: from prod-mail-ppoint2 (a184-51-33-19.deploy.static.akamaitechnologies.com [184.51.33.19] (may be forged)) by m0050102.ppops.net-00190b01. with ESMTP id 2ax5fx3ewg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 07 Jun 2017 14:36:12 +0100
Received: from pps.filterd (prod-mail-ppoint2.akamai.com [127.0.0.1]) by prod-mail-ppoint2.akamai.com (8.16.0.17/8.16.0.17) with SMTP id v57DUhIE011926; Wed, 7 Jun 2017 09:36:11 -0400
Received: from email.msg.corp.akamai.com ([172.27.123.34]) by prod-mail-ppoint2.akamai.com with ESMTP id 2aurev67tw-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 07 Jun 2017 09:36:11 -0400
Received: from USMA1EX-DAG1MB1.msg.corp.akamai.com (172.27.123.101) by usma1ex-dag1mb2.msg.corp.akamai.com (172.27.123.102) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Wed, 7 Jun 2017 09:36:10 -0400
Received: from USMA1EX-DAG1MB1.msg.corp.akamai.com ([172.27.123.101]) by usma1ex-dag1mb1.msg.corp.akamai.com ([172.27.123.101]) with mapi id 15.00.1263.000; Wed, 7 Jun 2017 09:36:10 -0400
From: "Salz, Rich" <rsalz@akamai.com>
To: Dave Garrett <davemgarrett@gmail.com>, "tls@ietf.org" <tls@ietf.org>
CC: "draft-ghedini-tls-certificate-compression@ietf.org" <draft-ghedini-tls-certificate-compression@ietf.org>
Thread-Topic: [TLS] adopted: draft-ghedini-tls-certificate-compression
Thread-Index: AQHS31Bsycpqly8XtUyjr7D2I2Y2Z6IZMYgAgAA1aJA=
Date: Wed, 07 Jun 2017 13:36:10 +0000
Message-ID: <103fac569dda4d208015d42826f83316@usma1ex-dag1mb1.msg.corp.akamai.com>
References: <B3FAE1B5-E608-489F-B3B9-BC966B673D94@sn3rd.com> <FDFEA8C9B9B6BD4685DCC959079C81F5E1953C09@BLREML509-MBS.china.huawei.com> <201706070223.19120.davemgarrett@gmail.com>
In-Reply-To: <201706070223.19120.davemgarrett@gmail.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [172.19.40.78]
Content-Type: text/plain; charset="Windows-1252"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-06-07_08:, , 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=8.0.1-1703280000 definitions=main-1706070251
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-06-07_08:, , 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=8.0.1-1703280000 definitions=main-1706070251
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/5UbGaoTxMw-M-RO2QsmLPCSjXbI>
Subject: Re: [TLS] adopted: draft-ghedini-tls-certificate-compression
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 07 Jun 2017 13:36:18 -0000


--  
Senior Architect, Akamai Technologies
Member, OpenSSL Dev Team
IM: richsalz@jabber.at Twitter: RichSalz

> Unless someone can show a legitimate case where zlib will
> consistently and notably outperform brotli, I don't see the point in defining it
> as an option.

As long as the protocol includes space for the encryption algorithm, I agree.

> Furthermore, we should probably define a pre-defined dictionary for
> brotli to use here which is based on common strings in certificates, rather

That could mean that "brotli" is really "brotli+dictionary FOO" which seems like a good idea.

v2.23.0 | Report a Bug | By Email