[kitten] SPAKE key usage and padata type assignments

Greg Hudson <ghudson@mit.edu> Wed, 13 September 2017 16:57 UTC

Return-Path: <ghudson@mit.edu>
X-Original-To: kitten@ietfa.amsl.com
Delivered-To: kitten@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 812BF1321DF for <kitten@ietfa.amsl.com>; Wed, 13 Sep 2017 09:57:33 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -4.221
X-Spam-Level:
X-Spam-Status: No, score=-4.221 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
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 QT9m9o5SQ4so for <kitten@ietfa.amsl.com>; Wed, 13 Sep 2017 09:57:32 -0700 (PDT)
Received: from dmz-mailsec-scanner-5.mit.edu (dmz-mailsec-scanner-5.mit.edu [18.7.68.34]) (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 4E5451321B6 for <kitten@ietf.org>; Wed, 13 Sep 2017 09:57:31 -0700 (PDT)
X-AuditID: 12074422-875ff7000000295c-6c-59b9637a0b54
Received: from mailhub-auth-4.mit.edu ( [18.7.62.39]) (using TLS with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by dmz-mailsec-scanner-5.mit.edu (Symantec Messaging Gateway) with SMTP id E0.27.10588.A7369B95; Wed, 13 Sep 2017 12:57:31 -0400 (EDT)
Received: from outgoing.mit.edu (OUTGOING-AUTH-1.MIT.EDU [18.9.28.11]) by mailhub-auth-4.mit.edu (8.13.8/8.9.2) with ESMTP id v8DGvUkB012295 for <kitten@ietf.org>; Wed, 13 Sep 2017 12:57:30 -0400
Received: from localhost (EQUAL-RITES.MIT.EDU [10.18.1.59]) (authenticated bits=0) (User authenticated as ghudson@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.8/8.12.4) with ESMTP id v8DGvSW9022280 for <kitten@ietf.org>; Wed, 13 Sep 2017 12:57:30 -0400
From: Greg Hudson <ghudson@mit.edu>
To: kitten@ietf.org
Date: Wed, 13 Sep 2017 12:57:28 -0400
Message-ID: <x7dbmmezgcn.fsf@equal-rites.mit.edu>
MIME-Version: 1.0
Content-Type: text/plain
X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprNIsWRmVeSWpSXmKPExsUixG6nrludvDPSYM9mFoujm1exODB6LFny kymAMYrLJiU1J7MstUjfLoEro79TpuArS8X5STdZGhgbWboYOTkkBEwk7m5/DWRzcQgJLGaS WNJwggkkISRwnFHi2EEFCLuDSaJ3aQGIzSagLLF+/1awZhEBYYndW98xg9jCQINaVi1lB7FZ BFQlZuzrYeti5ODgFTCU6P5fDBLmFRCUODnzCVgrs4CExMEXL5gnMHLPQpKahSS1gJFpFaNs Sm6Vbm5iZk5xarJucXJiXl5qka6pXm5miV5qSukmRrD/XZR2ME7853WIUYCDUYmH94Hlzkgh 1sSy4srcQ4ySHExKorx7dYFCfEn5KZUZicUZ8UWlOanFhxglOJiVRHiDooByvCmJlVWpRfkw KWkOFiVxXnGNxgghgfTEktTs1NSC1CKYrAwHh5IE7/4koEbBotT01Iq0zJwShDQTByfIcB6g 4ddAaniLCxJzizPTIfKnGFU5bjy8/odJiCUvPy9VSpx3TSJQkQBIUUZpHtycV4ziQO8I8/KD jOABxjjchFdAw5mAhp85vQNkeEkiQkqqgZGr+9n/phXe+n8XLtY7GrKjytNjKfPkiHkLxE6w rHr7asPu22nSM6/9veTs8vLru61NHzOPHGPP9P2sk+zsYtkf31CjyujT0GOanvGiq9I1UETb +bTlt22BWadM3RtO8bD8+OXy9fDrFeHh2+TFEl1zeqYZGqXopBa8b1dSPGV3cuKER4+9jiux FGckGmoxFxUnAgDep2XZrgIAAA==
Archived-At: <https://mailarchive.ietf.org/arch/msg/kitten/egKHhxFNqDX6rnYA6d31QBtdHt4>
Subject: [kitten] SPAKE key usage and padata type assignments
X-BeenThere: kitten@ietf.org
X-Mailman-Version: 2.1.22
Precedence: list
List-Id: Common Authentication Technologies - Next Generation <kitten.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/kitten>, <mailto:kitten-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/kitten/>
List-Post: <mailto:kitten@ietf.org>
List-Help: <mailto:kitten-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/kitten>, <mailto:kitten-request@ietf.org?subject=subscribe>
X-List-Received-Date: Wed, 13 Sep 2017 16:57:33 -0000

I have assigned the following key usage numbers to SPAKE preauth:

65  KEY_USAGE_SPAKE_TRANSCRIPT
66  KEY_USAGE_SPAKE_FACTOR

Those assignments are sufficient to generate test vectors.  We also need
to assign a padata type.  RFC 6113 established an IANA registry for
padata types with new registrations subject to expert review.

I think it would be reasonable to ask for a padata type registration at
this time.  Aside from the addition of the edwards25519 group (which
would benefit from another non-coauthor +1), I am not aware of any open
questions which could lead to non-interoperable changes in the protocol.