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Security Mechanism Agreement for the Session Initiation Protocol (SIP) (RFC3329)

IP.com Disclosure Number: IPCOM000010655D
Original Publication Date: 2003-Jan-01
Included in the Prior Art Database: 2003-Jan-07
Document File: 25 page(s) / 52K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

J. Arkko: AUTHOR [+5]

Abstract

This document defines new functionality for negotiating the security mechanisms used between a Session Initiation Protocol (SIP) user agent and its next-hop SIP entity. This new functionality supplements the existing methods of choosing security mechanisms between SIP entities.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 5% of the total text.

Network Working Group                                           J. Arkko

Request for Comments: 3329                                   V. Torvinen

Category: Standards Track                                   G. Camarillo

                                                                Ericsson

                                                                A. Niemi

                                                               T. Haukka

                                                                   Nokia

                                                            January 2003

                 Security Mechanism Agreement for the

                   Session Initiation Protocol (SIP)

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 (2003).  All Rights Reserved.

Abstract

   This document defines new functionality for negotiating the security

   mechanisms used between a Session Initiation Protocol (SIP) user

   agent and its next-hop SIP entity.  This new functionality

   supplements the existing methods of choosing security mechanisms

   between SIP entities.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2

      1.1   Motivations . . . . . . . . . . . . . . . . . . . . . . 2

      1.2  Design Goals . . . . . . . . . . . . . . . . . . . . . . 3

      1.3  Conventions  . . . . . . . . . . . . . . . . . . . . . . 3

   2.  Solution . . . . . . . . . . . . . . . . . . . . . . . . . . 3

      2.1   Overview of Operation . . . . . . . . . . . . . . . . . 3

      2.2  Syntax . . . . . . . . . . . . . . . . . . . . . . . . . 4

      2.3  Protocol Operation . . . . . . . . . . . . . . . . . . . 6

         2.3.1 Client Initiated . . . . . . . . . . . . . . . . . . 6

         2.3.2 Server Initiated . . . . . . . . . . . . . . . . . . 8

      2.4  Security Mechanism Initiation. . . . . . . . . . . . . . 9

      2.5  Duration of Security Associations. . . . . . . . . . . .10

      2.6  Summary of Header Field Use. . . . . . . . . . . . . . .10

Arkko, et. al.              Standards Track                     [Page 1]...