KARP KMP: Simplified Peer Authentication
draft-chunduri-karp-kmp-router-fingerprints-02

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Working Group                                                U. Chunduri
Internet-Draft                                                   A. Tian
Intended status: Informational                                A. Keranen
Expires: August 29, 2013                                        Ericsson
                                                       February 25, 2013

                KARP KMP: Simplified Peer Authentication
             draft-chunduri-karp-kmp-router-fingerprints-02

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
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   This Internet-Draft will expire on August 29, 2013.

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Internet-Draft  KARP KMP: Simplified Peer Authentication   February 2013

   carefully, as they describe your rights and restrictions with respect
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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
     1.1.  Requirements Language  . . . . . . . . . . . . . . . . . .  4
     1.2.  Acronyms . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Router Fingerprint . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Usage of Router Fingerprints with KARP KMP . . . . . . . . . .  5
     3.1.  Impact on the PAD  . . . . . . . . . . . . . . . . . . . .  6
   4.  Publishing Router Fingerprints . . . . . . . . . . . . . . . .  6
   5.  Scope of Fingerprints usage with RPs . . . . . . . . . . . . .  6
   6.  Fingerprint Revocation . . . . . . . . . . . . . . . . . . . .  7
   7.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . .  7
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . .  7
   9.  Acknowledgements . . . . . . . . . . . . . . . . . . . . . . .  8
   10. Appendix A . . . . . . . . . . . . . . . . . . . . . . . . . .  8
     10.1. Applicable Authentications methods . . . . . . . . . . . .  8
       10.1.1.  Symmetric key based authentication  . . . . . . . . .  8
       10.1.2.  Asymmetric key based authentication . . . . . . . . .  9
       10.1.3.  EAP based authentication  . . . . . . . . . . . . . .  9
   11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 10
     11.1. Normative References . . . . . . . . . . . . . . . . . . . 10
     11.2. Informative References . . . . . . . . . . . . . . . . . . 10
   Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 13

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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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