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IP Encapsulating Security Payload (ESP) (RFC2406)

IP.com Disclosure Number: IPCOM000002981D
Original Publication Date: 1998-Nov-01
Included in the Prior Art Database: 2019-Feb-11
Document File: 22 page(s) / 32K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

S. Kent: AUTHOR [+1]

Related Documents

10.17487/RFC2406: DOI

Abstract

The Encapsulating Security Payload (ESP) header is designed to provide a mix of security services in IPv4 and IPv6. [STANDARDS-TRACK]

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 7% of the total text.

Network Working Group S. Kent Request for Comments: 2406 BBN Corp Obsoletes: 1827 R. Atkinson Category: Standards Track @Home Network November 1998

IP Encapsulating Security Payload (ESP)

Status of this Memo

This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.

Copyright Notice

Copyright (C) The Internet Society (1998). All Rights Reserved.

Table of Contents

1. Introduction..................................................2 2. Encapsulating Security Payload Packet Format..................3 2.1 Security Parameters Index................................4 2.2 Sequence Number .........................................4 2.3 Payload Data.............................................5 2.4 Padding (for Encryption).................................5 2.5 Pad Length...............................................7 2.6 Next Header..............................................7 2.7 Authentication Data......................................7 3. Encapsulating Security Protocol Processing....................7 3.1 ESP Header Location......................................7 3.2 Algorithms..............................................10 3.2.1 Encryption Algorithms..............................10 3.2.2 Authentication Algorithms..........................10 3.3 Outbound Packet Processing..............................10 3.3.1 Security Association Lookup........................11 3.3.2 Packet Encryption..................................11 3.3.3 Sequence Number Generation.........................12 3.3.4 Integrity Check Value Calculation..................12 3.3.5 Fragmentation......................................13 3.4 Inbound Packet Processing...............................13 3.4.1 Reassembly.........................................13 3.4.2 Security Association Lookup........................13 3.4.3 Sequence Number Verification.......................14 3.4.4 Integrity Check Value Verification.................15

Kent & Atkinson Standards Track [Page 1]

RFC 2406 IP Encapsulating Security Payload November 1998

3.4.5 Packet Decryption..................................16 4. Auditing.....................................................17 5. Conformance Requirements.....................................18 6. Security Considerations......................................18 7. Differences from RFC 1827....................................18 Acknowledgements................................................19 References......................................................19 Disclaimer......................................................20 Author Information..............................................21 Full Copyright Statement........................................22

1. Introduction

The Encapsulating Secu...

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