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Signature Authentication in the Internet Key Exchange Version 2 (IKEv2) (RFC7427)

IP.com Disclosure Number: IPCOM000240148D
Original Publication Date: 2015-Jan-01
Included in the Prior Art Database: 2015-Jan-07
Document File: 36 page(s) / 39K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

T. Kivinen: AUTHOR [+2]

Abstract

This document adds a new IKEv2 [RFC7296] authentication method to support signature methods in a more general way. The current signature-based authentication methods in IKEv2 are per algorithm, i.e., there is one for RSA digital signatures, one for DSS digital signatures (using SHA-1), and three for different ECDSA curves, each tied to exactly one hash algorithm. This design is cumbersome when more signature algorithms, hash algorithms, and elliptic curves need to be supported:

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Internet Engineering Task Force (IETF)                        T. Kivinen Request for Comments: 7427                                 INSIDE Secure Updates: 7296                                                  J. Snyder Category: Standards Track                                       Opus One ISSN: 2070-1721                                             January 2015

 Signature Authentication in the Internet Key Exchange Version 2 (IKEv2)

Abstract

   The Internet Key Exchange Version 2 (IKEv2) protocol has limited    support for the Elliptic Curve Digital Signature Algorithm (ECDSA).    The current version only includes support for three Elliptic Curve    groups, and there is a fixed hash algorithm tied to each group.  This    document generalizes IKEv2 signature support to allow any signature    method supported by PKIX and also adds signature hash algorithm    negotiation.  This is a generic mechanism and is not limited to    ECDSA; it can also be used with other signature algorithms.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7427.

Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Kivinen & Snyder             Standards Track                    [Page 1]
 RFC 7427            Signature Authentication in IKEv2       January 2015

 Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2

   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   4

   3.  Authentication Payload  . . . . . . . . . . . . . . . . . . .   4

  ...