Using the Encapsulating Security Payload (ESP) Transport Format with the Host Identity Protocol (HIP)
RFC 7402
| Document | Type |
RFC - Proposed Standard
(April 2015; No errata)
Obsoletes RFC 5202
|
|
|---|---|---|---|
| Last updated | 2015-10-14 | ||
| Stream | IETF | ||
| Formats | plain text pdf htmlized bibtex | ||
| Reviews | |||
| Stream | WG state | Submitted to IESG for Publication | |
| Document shepherd | Gonzalo Camarillo | ||
| Shepherd write-up | Show (last changed 2014-03-20) | ||
| IESG | IESG state | RFC 7402 (Proposed Standard) | |
| Consensus Boilerplate | Yes | ||
| Telechat date | |||
| Responsible AD | Ted Lemon | ||
| Send notices to | (None) | ||
| IANA | IANA review state | Version Changed - Review Needed | |
| IANA action state | RFC-Ed-Ack | ||
Internet Engineering Task Force (IETF) P. Jokela
Request for Comments: 7402 Ericsson Research NomadicLab
Obsoletes: 5202 R. Moskowitz
Category: Standards Track HTT Consulting
ISSN: 2070-1721 J. Melen
Ericsson Research NomadicLab
April 2015
Using the Encapsulating Security Payload (ESP) Transport Format
with the Host Identity Protocol (HIP)
Abstract
This memo specifies an Encapsulating Security Payload (ESP) based
mechanism for transmission of user data packets, to be used with the
Host Identity Protocol (HIP). This document obsoletes RFC 5202.
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/rfc7402.
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.
Jokela, et al. Standards Track [Page 1]
RFC 7402 Using the ESP Transport Format with HIP April 2015
Table of Contents
1. Introduction ....................................................3
2. Conventions Used in This Document ...............................4
3. Using ESP with HIP ..............................................4
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 .........6
3.3.1. ESP Security Associations ...........................6
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 ...................................8
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. IPsec ESP Transport Format Type ....................11
4.1.2. Setting Up an ESP Security Association .............11
4.1.3. 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 ......................................15
5.1.3. NOTIFICATION Parameter .............................16
5.2. HIP ESP Security Association Setup ........................17
5.2.1. Setup during Base Exchange .........................17
5.3. HIP ESP Rekeying ..........................................18
5.3.1. Initializing Rekeying ..............................19
5.3.2. Responding to the Rekeying Initialization ..........19
5.4. ICMP Messages .............................................20
5.4.1. Unknown SPI ........................................20
6. Packet Processing ..............................................20
6.1. Processing Outgoing Application Data ......................20
6.2. Processing Incoming Application Data ......................21
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