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KARP KMP: Simplified Peer Authentication
draft-chunduri-karp-kmp-router-fingerprints-04

Document type: Active Internet-Draft (individual)
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Last updated: 2013-10-19
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Working Group                                                U. Chunduri
Internet-Draft                                                   A. Tian
Intended status: Informational                                A. Keranen
Expires: April 23, 2014                                         Ericsson
                                                              T. Kivinen
                                                           INSIDE Secure
                                                        October 20, 2013

                KARP KMP: Simplified Peer Authentication
             draft-chunduri-karp-kmp-router-fingerprints-04

Abstract

   This document describes the usage of Router Fingerprint
   Authentication (RFA) with public keys as a potential peer
   authentication method with KARP pair wise and group Key Management
   Protocols (KMPs).  The advantage of RFA is, it neither requires out-
   of-band, mutually agreeable symmetric keys nor a full PKI based
   system (trust anchor or CA certificates) for mutual authentication of
   peers with KARP KMP deployments.  Usage of Router Fingerprints give a
   significant operational improvement from symmetric key based systems
   and yet provide a secure authentication technique.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
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   This Internet-Draft will expire on April 23, 2014.

Copyright Notice

   Copyright (c) 2013 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

Chunduri, et al.         Expires April 23, 2014                 [Page 1]
Internet-Draft  KARP KMP: Simplified Peer Authentication    October 2013

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   3
     1.2.  Acronyms  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Router Fingerprint  . . . . . . . . . . . . . . . . . . . . .   4
   3.  Usage of Router Fingerprints with KARP KMP  . . . . . . . . .   4
   4.  Publishing Router Fingerprints  . . . . . . . . . . . . . . .   5
   5.  Scope of Fingerprints usage with RPs  . . . . . . . . . . . .   6
   6.  Fingerprint Revocation  . . . . . . . . . . . . . . . . . . .   6
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   6
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .   6
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   7
   10. Appendix A  . . . . . . . . . . . . . . . . . . . . . . . . .   7
     10.1.  Applicable Authentications methods . . . . . . . . . . .   7
       10.1.1.  Symmetric key based authentication . . . . . . . . .   7
       10.1.2.  Asymmetric key based authentication  . . . . . . . .   8
       10.1.3.  EAP based authentication . . . . . . . . . . . . . .   8
   11. References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     11.1.  Normative References . . . . . . . . . . . . . . . . . .   9
     11.2.  Informative References . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Introduction

   Usage of IKEv2[RFC5996] as the KMP for with specific extensions for
   pair wise routing protocols (RPs) is described in [mahesh-karp-rkmp].
   Also IKEv2 based KMP for group keying RPs is described in [hartman-
   karp-mrkmp].  With proliferation of authentication methods supported
   by IKEv2, this draft explores a simple and secure peer authentication
   method, which can be potentially used for all KARP KMP deployments.

   Currently operators don't often change the manual keys deployed for

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