IETF Logo Mail Archive

Re: [TLS] The future of external PSK in TLS 1.3

"Salz, Rich" <rsalz@akamai.com> Wed, 23 September 2020 15:37 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 EBE963A11F0 for <tls@ietfa.amsl.com>; Wed, 23 Sep 2020 08:37:22 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -3.793
X-Spam-Level:
X-Spam-Status: No, score=-3.793 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.695, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, SPF_HELO_NONE=0.001, 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 lHq-G7Xr9r1S for <tls@ietfa.amsl.com>; Wed, 23 Sep 2020 08:37:21 -0700 (PDT)
Received: from mx0a-00190b01.pphosted.com (mx0a-00190b01.pphosted.com [IPv6:2620:100:9001:583::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 34F2B3A1224 for <tls@ietf.org>; Wed, 23 Sep 2020 08:36:29 -0700 (PDT)
Received: from pps.filterd (m0050095.ppops.net [127.0.0.1]) by m0050095.ppops.net-00190b01. (8.16.0.42/8.16.0.42) with SMTP id 08NFY3Ut003721; Wed, 23 Sep 2020 16:36:21 +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=H3hJh04ILJ6BT7WLiNFZwVlCiI9ryX353PZmyDIwXuQ=; b=L0RZeenRHsH2dH7It5wX54TkEFQi98sDmSrVKT/Lc8z8Iraoor1msnJwJsBdFz7WVYpu Y/NhjpPOO5VclB5Alg8cRRgXL2I+qshKnZbJYnR5RsKA5k9TCw6dAGYH4gLqGsfczdnK /JaAwYDqTz15sEpKs/k/IVnY6PMA6YP4imIbReOMcKbY96rxDbF9t2XR3zVdGZ4TeBYj 9hV8f3r2lHa40xJXC+vKQNtSEPCx4a8mZRj4xzV5CDrbFafdm0GcIZzhMdq3JR5KFX6s PXShHNLVcLs9C6jKqyU2T/iQOILqsoUHDeO9waEK7M1ojL5QKyHxOGZUqfDIjWnrpn9X 2A==
Received: from prod-mail-ppoint1 (prod-mail-ppoint1.akamai.com [184.51.33.18] (may be forged)) by m0050095.ppops.net-00190b01. with ESMTP id 33n9hdukgq-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 23 Sep 2020 16:36:21 +0100
Received: from pps.filterd (prod-mail-ppoint1.akamai.com [127.0.0.1]) by prod-mail-ppoint1.akamai.com (8.16.0.42/8.16.0.42) with SMTP id 08NFL3SV026349; Wed, 23 Sep 2020 11:36:20 -0400
Received: from email.msg.corp.akamai.com ([172.27.123.33]) by prod-mail-ppoint1.akamai.com with ESMTP id 33ndaxscqx-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 23 Sep 2020 11:36:19 -0400
Received: from USMA1EX-DAG1MB1.msg.corp.akamai.com (172.27.123.101) by usma1ex-dag1mb6.msg.corp.akamai.com (172.27.123.65) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 23 Sep 2020 11:36:19 -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 15.00.1497.006; Wed, 23 Sep 2020 11:36:19 -0400
From: "Salz, Rich" <rsalz@akamai.com>
To: Hannes Tschofenig <Hannes.Tschofenig@arm.com>, Filippo Valsorda <filippo@ml.filippo.io>, Carrick Bartle <cbartle891@icloud.com>
CC: "tls@ietf.org" <tls@ietf.org>
Thread-Topic: [TLS] The future of external PSK in TLS 1.3
Thread-Index: AQHWjng9Pwzr8fTsOkSjvpJZy/djPKlv2BqIgACJ3gCAAlNKgIAAYkqAgAB0dICAAtk/gIAAHrgAgAASKoD//8t9AA==
Date: Wed, 23 Sep 2020 15:36:18 +0000
Message-ID: <809E2772-DFA1-4E4F-AAD7-8CBF97F5C9AC@akamai.com>
References: <77039F11-188E-4408-8B39-57B908DDCB80@ericsson.com> <1600516093048.75181@cs.auckland.ac.nz> <2f2ecb30-bef5-414a-8ff7-d707d773c7ea@www.fastmail.com> <FDD012C2-9B37-461D-BC81-854135EE994E@icloud.com> <AM0PR08MB3716861B782527DAB3C1EA1BFA3A0@AM0PR08MB3716.eurprd08.prod.outlook.com> <DF3B268F-2E80-4444-B643-D33BC0C7151E@icloud.com> <AM0PR08MB371678103D9EEB89C9AA44C1FA380@AM0PR08MB3716.eurprd08.prod.outlook.com> <ff5f77a9-ea45-4a72-b075-65c2d5e8ab45@www.fastmail.com> <AM0PR08MB37168140C95EB4620ED0FE92FA380@AM0PR08MB3716.eurprd08.prod.outlook.com>
In-Reply-To: <AM0PR08MB37168140C95EB4620ED0FE92FA380@AM0PR08MB3716.eurprd08.prod.outlook.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
user-agent: Microsoft-MacOutlook/16.40.20081201
x-ms-exchange-messagesentrepresentingtype: 1
x-ms-exchange-transport-fromentityheader: Hosted
x-originating-ip: [172.27.118.139]
Content-Type: multipart/alternative; boundary="_000_809E2772DFA14E4FAAD78CBF97F5C9ACakamaicom_"
MIME-Version: 1.0
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-23_10:2020-09-23, 2020-09-23 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 spamscore=0 mlxscore=0 phishscore=0 mlxlogscore=821 malwarescore=0 bulkscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009230123
X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-23_12:2020-09-23, 2020-09-23 signatures=0
X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 mlxscore=0 clxscore=1011 spamscore=0 bulkscore=0 mlxlogscore=755 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009230124
X-Agari-Authentication-Results: mx.akamai.com; spf=${SPFResult} (sender IP is 184.51.33.18) smtp.mailfrom=rsalz@akamai.com smtp.helo=prod-mail-ppoint1
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/dNLrC05ZAUJm7ZydGuYlOZH7R8k>
Subject: Re: [TLS] The future of external PSK in TLS 1.3
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.29
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, 23 Sep 2020 15:37:23 -0000

I agree with Hannes’s reasoning.

I am also concerned about devolving TLS to be just Web browser/server.

v2.31.3 | Report a Bug | By Email | System Status