Using the Encapsulating Security Payload (ESP) Transport Format with the Host Identity Protocol (HIP)
draft-ietf-hip-rfc5202-bis-02

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Last updated 2013-06-10
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Network Working Group                                          P. Jokela
Internet-Draft                              Ericsson Research NomadicLab
Intended status: Standards Track                            R. Moskowitz
Expires: December 12, 2013                      ICSAlabs, An Independent
                                            Division of Verizon Business
                                                                 Systems
                                                                J. Melen
                                            Ericsson Research NomadicLab
                                                           June 10, 2013

Using the Encapsulating Security Payload (ESP) Transport Format with the
                      Host Identity Protocol (HIP)
                     draft-ietf-hip-rfc5202-bis-02

Abstract

   This memo specifies an Encapsulated Security Payload (ESP) based
   mechanism for transmission of user data packets, to be used with the
   Host Identity Protocol (HIP).

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 December 12, 2013.

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   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
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Jokela, et al.          Expires December 12, 2013               [Page 1]

Internet-Draft   Using the ESP Transport Format with HIP       June 2013

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Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Conventions Used in This Document  . . . . . . . . . . . . . .  4
   3.  Using ESP with HIP . . . . . . . . . . . . . . . . . . . . . .  5
     3.1.  ESP Packet Format  . . . . . . . . . . . . . . . . . . . .  5
     3.2.  Conceptual ESP Packet Processing . . . . . . . . . . . . .  5
       3.2.1.  Semantics of the Security Parameter Index (SPI)  . . .  6
     3.3.  Security Association Establishment and Maintenance . . . .  7
       3.3.1.  ESP Security Associations  . . . . . . . . . . . . . .  7
       3.3.2.  Rekeying . . . . . . . . . . . . . . . . . . . . . . .  7
       3.3.3.  Security Association Management  . . . . . . . . . . .  8
       3.3.4.  Security Parameter Index (SPI) . . . . . . . . . . . .  8
       3.3.5.  Supported Ciphers  . . . . . . . . . . . . . . . . . .  9
       3.3.6.  Sequence Number  . . . . . . . . . . . . . . . . . . .  9
       3.3.7.  Lifetimes and Timers . . . . . . . . . . . . . . . . .  9
     3.4.  IPsec and HIP ESP Implementation Considerations  . . . . .  9
       3.4.1.  Data Packet Processing Considerations  . . . . . . . . 10
       3.4.2.  HIP Signaling Packet Considerations  . . . . . . . . . 10
   4.  The Protocol . . . . . . . . . . . . . . . . . . . . . . . . . 11
     4.1.  ESP in HIP . . . . . . . . . . . . . . . . . . . . . . . . 11
       4.1.1.  Setting Up an ESP Security Association . . . . . . . . 11
       4.1.2.  Updating an Existing ESP SA  . . . . . . . . . . . . . 12
   5.  Parameter and Packet Formats . . . . . . . . . . . . . . . . . 13
     5.1.  New Parameters . . . . . . . . . . . . . . . . . . . . . . 13
       5.1.1.  ESP_INFO . . . . . . . . . . . . . . . . . . . . . . . 13
       5.1.2.  ESP_TRANSFORM  . . . . . . . . . . . . . . . . . . . . 14
       5.1.3.  NOTIFICATION Parameter . . . . . . . . . . . . . . . . 16
     5.2.  HIP ESP Security Association Setup . . . . . . . . . . . . 16
       5.2.1.  Setup During Base Exchange . . . . . . . . . . . . . . 16
     5.3.  HIP ESP Rekeying . . . . . . . . . . . . . . . . . . . . . 18
       5.3.1.  Initializing Rekeying  . . . . . . . . . . . . . . . . 18
       5.3.2.  Responding to the Rekeying Initialization  . . . . . . 19
     5.4.  ICMP Messages  . . . . . . . . . . . . . . . . . . . . . . 19
       5.4.1.  Unknown SPI  . . . . . . . . . . . . . . . . . . . . . 19
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