LISP Data-Plane Confidentiality
draft-ietf-lisp-crypto-08

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Document Type Active Internet-Draft (lisp WG)
Last updated 2016-10-10 (latest revision 2016-09-27)
Replaces draft-farinacci-lisp-crypto
Stream IETF
Intended RFC status Experimental
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Stream WG state Submitted to IESG for Publication
Document shepherd Luigi Iannone
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Has enough positions to pass.
Responsible AD Deborah Brungard
Send notices to "Luigi Iannone" <ggx@gigix.net>
IANA IANA review state IANA OK - Actions Needed
Internet Engineering Task Force                             D. Farinacci
Internet-Draft                                               lispers.net
Intended status: Experimental                                    B. Weis
Expires: March 29, 2017                                    cisco Systems
                                                      September 25, 2016

                    LISP Data-Plane Confidentiality
                       draft-ietf-lisp-crypto-08

Abstract

   This document describes a mechanism for encrypting LISP encapsulated
   traffic.  The design describes how key exchange is achieved using
   existing LISP control-plane mechanisms as well as how to secure the
   LISP data-plane from third-party surveillance attacks.

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
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on March 29, 2017.

Copyright Notice

   Copyright (c) 2016 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.

Farinacci & Weis         Expires March 29, 2017                 [Page 1]
Internet-Draft       LISP Data-Plane Confidentiality      September 2016

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Requirements Notation . . . . . . . . . . . . . . . . . . . .   3
   3.  Definition of Terms . . . . . . . . . . . . . . . . . . . . .   3
   4.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   5.  Diffie-Hellman Key Exchange . . . . . . . . . . . . . . . . .   4
   6.  Encoding and Transmitting Key Material  . . . . . . . . . . .   5
   7.  Shared Keys used for the Data-Plane . . . . . . . . . . . . .   7
   8.  Data-Plane Operation  . . . . . . . . . . . . . . . . . . . .   9
   9.  Procedures for Encryption and Decryption  . . . . . . . . . .  10
   10. Dynamic Rekeying  . . . . . . . . . . . . . . . . . . . . . .  11
   11. Future Work . . . . . . . . . . . . . . . . . . . . . . . . .  12
   12. Security Considerations . . . . . . . . . . . . . . . . . . .  12
     12.1.  SAAG Support . . . . . . . . . . . . . . . . . . . . . .  12
     12.2.  LISP-Crypto Security Threats . . . . . . . . . . . . . .  13
   13. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
   14. References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     14.1.  Normative References . . . . . . . . . . . . . . . . . .  14
     14.2.  Informative References . . . . . . . . . . . . . . . . .  15
   Appendix A.  Acknowledgments  . . . . . . . . . . . . . . . . . .  16
   Appendix B.  Document Change Log  . . . . . . . . . . . . . . . .  16
     B.1.  Changes to draft-ietf-lisp-crypto-08.txt  . . . . . . . .  16
     B.2.  Changes to draft-ietf-lisp-crypto-07.txt  . . . . . . . .  17
     B.3.  Changes to draft-ietf-lisp-crypto-06.txt  . . . . . . . .  17
     B.4.  Changes to draft-ietf-lisp-crypto-05.txt  . . . . . . . .  17
     B.5.  Changes to draft-ietf-lisp-crypto-04.txt  . . . . . . . .  17
     B.6.  Changes to draft-ietf-lisp-crypto-03.txt  . . . . . . . .  17
     B.7.  Changes to draft-ietf-lisp-crypto-02.txt  . . . . . . . .  18
     B.8.  Changes to draft-ietf-lisp-crypto-01.txt  . . . . . . . .  18
     B.9.  Changes to draft-ietf-lisp-crypto-00.txt  . . . . . . . .  18
     B.10. Changes to draft-farinacci-lisp-crypto-01.txt . . . . . .  18
     B.11. Changes to draft-farinacci-lisp-crypto-00.txt . . . . . .  19
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  19

1.  Introduction

   The Locator/ID Separation Protocol [RFC6830] defines a set of
   functions for routers to exchange information used to map from non-
   routable Endpoint Identifiers (EIDs) to routable Routing Locators
   (RLOCs).  LISP Ingress Tunnel Routers (ITRs) and Proxy Ingress Tunnel
   Routers (PITRs) encapsulate packets to Egress Tunnel Routers (ETRs)
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