IETF Logo Mail Archive

Re: [TLS] Security review of TLS1.3 0-RTT

"Salz, Rich" <rsalz@akamai.com> Tue, 23 May 2017 20:01 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 EC24912EA95 for <tls@ietfa.amsl.com>; Tue, 23 May 2017 13:01:03 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.001
X-Spam-Level:
X-Spam-Status: No, score=-2.001 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] 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 O13MLFuDeAb0 for <tls@ietfa.amsl.com>; Tue, 23 May 2017 13:01:02 -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 A76EE12EAA8 for <tls@ietf.org>; Tue, 23 May 2017 13:01:02 -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 v4NJpZtM022813; Tue, 23 May 2017 21:01:00 +0100
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=akamai.com; h=from : to : subject : date : message-id : references : in-reply-to : content-type : content-transfer-encoding : mime-version; s=jan2016.eng; bh=MOO6wkoYZ4P76qZ8yn+/5ict/IwiW2oN6UbNLkJpDnI=; b=R0nzbtq1p+sL3b7BWUyojTUeNzshf2zVLf3PkSqgEHqaTKBCCPemej7kkmpvM1IThper Bkx1U2cX75sILMEgUqq8E2V8JN+cZPnG7V2PIjGP9FY3Tzz2MqXZLBhsi4ugDcRVkCNx S3P+oYr4C2ADCiXx28a2iU87jF/+YKXhRtu2C1vncmRLI+tSJdGhvNd7ndticzFTkcT5 CkDoDaXINVUeCPJNDPGWHPvL5ELLiylnQOXz4/sHKSgF1fWikOuyLHQT1UUR4Pd4zj0e n5aXiRF1eCYNfOm6vwsAB8XvvlXQQrMmKj/hec73knulMww5fsNiHkzjnQmX4cpZpUI9 Uw==
Received: from prod-mail-ppoint1 (a184-51-33-18.deploy.static.akamaitechnologies.com [184.51.33.18] (may be forged)) by m0050102.ppops.net-00190b01. with ESMTP id 2amtyk08cd-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 May 2017 21:01:00 +0100
Received: from pps.filterd (prod-mail-ppoint1.akamai.com [127.0.0.1]) by prod-mail-ppoint1.akamai.com (8.16.0.17/8.16.0.17) with SMTP id v4NJpLqT014667; Tue, 23 May 2017 16:00:59 -0400
Received: from email.msg.corp.akamai.com ([172.27.123.33]) by prod-mail-ppoint1.akamai.com with ESMTP id 2ajh4v1y3n-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Tue, 23 May 2017 16:00:59 -0400
Received: from USMA1EX-DAG1MB1.msg.corp.akamai.com (172.27.123.101) by usma1ex-dag1mb3.msg.corp.akamai.com (172.27.123.103) with Microsoft SMTP Server (TLS) id 15.0.1263.5; Tue, 23 May 2017 16:00:58 -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; Tue, 23 May 2017 16:00:58 -0400
From: "Salz, Rich" <rsalz@akamai.com>
To: Colm MacCárthaigh <colm@allcosts.net>, TLS WG <tls@ietf.org>
Thread-Topic: [TLS] Security review of TLS1.3 0-RTT
Thread-Index: AQHSw1NICDv1l4S8FUWU9Zh5nPuktKHj1e4AgAAB3wCAAABtgIABK3KAgBME8ICAA79FgIAAdzaAgAEhiwCAAmQwAIAAPdqAgAD23oCAAANTgIAABkmAgAACr4CAAI2ogIAACFIAgADqp4CAABAuAIAABLWA///UHHCAAAfHMA==
Date: Tue, 23 May 2017 20:00:58 +0000
Message-ID: <ad6f909991144cbe9c5f69dec0d29f76@usma1ex-dag1mb1.msg.corp.akamai.com>
References: <CAAF6GDcKZj9F-eKAeVj0Uw4aX_EgQ4DuJczL4=fsaFyG9Yjcgw@mail.gmail.com> <CABcZeBPuOupLTNKOtuCgOjYNdiuw571HM-pq1vNZz_8x-XX5mg@mail.gmail.com> <CABcZeBMqALJ10cU7FMUhv8k5Q=tw3yu1-5pdrKzOBM3=g5PHJw@mail.gmail.com> <20170519095316.GA30080@LK-Perkele-V2.elisa-laajakaista.fi> <CAAF6GDeuRMZx9MRynrxMp1fCvRS2jjr0vcqt0R89cJEkD6u=rQ@mail.gmail.com> <20170520101616.GC32428@LK-Perkele-V2.elisa-laajakaista.fi> <CABcZeBNj_X4qbXrH4732kQiAHrBpPZhW1nmn4Xnp-pm0gv1Psg@mail.gmail.com> <CAAF6GDcEKaBaJZU0q822KqoJDL5kyZJGbOBKsnU9tnpU=YvoxA@mail.gmail.com> <MWHPR15MB1182F59E2B60534CB20EC9C4AFF80@MWHPR15MB1182.namprd15.prod.outlook.com> <CAAF6GDeNWpKM_Uu5zN70gW9L=WSLZVJhi=OZwYOC3y24zuphpQ@mail.gmail.com> <f8f8db4a-7d4e-590b-25c2-b1cbac6b5313@huitema.net> <CAAF6GDcarzUXiEAxBm9RaLQT5A3B=2TPkngEavEY=wQMHU=9Gw@mail.gmail.com> <1c188f36-c197-20f7-48e4-5d75ac4a2211@akamai.com> <CAAF6GDfCRD3nQmr0JB75CxLkqjmDiWn9co0DXCJHwS3TK625WA@mail.gmail.com> <55096b5d-dc74-fae4-57e3-83d4355d6050@huitema.net> <86A85A1E-A0A2-4692-ADB1-D5126E421B70@dukhovni.org> <CAAF6GDeum-XLt+f3_q9CRabC7Ro_0quu90jWVhaWeYbJntfzZA@mail.gmail.com> <8ae0e20c58494e0cb7e48d70dc42a9c4@usma1ex-dag1mb1.msg.corp.akamai.com>
In-Reply-To: <8ae0e20c58494e0cb7e48d70dc42a9c4@usma1ex-dag1mb1.msg.corp.akamai.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: [172.19.40.119]
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-05-23_07:, , 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-1705230101
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-05-23_07:, , 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=1015 lowpriorityscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1703280000 definitions=main-1705230101
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/nwgPFcvgjWZ1yPqlqvIoB872qNo>
Subject: Re: [TLS] Security review of TLS1.3 0-RTT
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: Tue, 23 May 2017 20:01:04 -0000

> Well it's a little more subtle then that; folks seem to acknowledge the attacks
> but feel that their use-cases won't be affected.  I'm looking at you, Chrome,
> boring, Firefox :)

I've heard from two people that the "looking at you" phrase was not well-received.  I apologize to the list, and those whose feelings I hurt.  I look forward to seeing more detailed responses to Colm's posts soon. 

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

v2.23.0 | Report a Bug | By Email