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End-to-End Signing and Object Encryption for the Extensible Messaging and Presence Protocol (XMPP) (RFC3923)

IP.com Disclosure Number: IPCOM000031645D
Original Publication Date: 2004-Oct-01
Included in the Prior Art Database: 2004-Oct-03
Document File: 28 page(s) / 52K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Saint-Andre: AUTHOR

Abstract

This memo defines methods of end-to-end signing and object encryption for the Extensible Messaging and Presence Protocol (XMPP).

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

Network Working Group                                     P. Saint-Andre

Request for Comments: 3923                    Jabber Software Foundation

Category: Standards Track                                   October 2004

           End-to-End Signing and Object Encryption for the

           Extensible Messaging and Presence Protocol (XMPP)

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 (2004).

Abstract

   This memo defines methods of end-to-end signing and object encryption

   for the Extensible Messaging and Presence Protocol (XMPP).

Table of Contents

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

   2.   Requirements . . . . . . . . . . . . . . . . . . . . . . . .   2

   3.   Securing Messages  . . . . . . . . . . . . . . . . . . . . .   4

   4.   Securing Presence  . . . . . . . . . . . . . . . . . . . . .   9

   5.   Securing Arbitrary XMPP Data . . . . . . . . . . . . . . . .  13

   6.   Rules for S/MIME Generation and Handling . . . . . . . . . .  15

   7.   Recipient Error Handling . . . . . . . . . . . . . . . . . .  18

   8.   Secure Communications Through a Gateway  . . . . . . . . . .  20

   9.   urn:ietf:params:xml:xmpp-e2e Namespace . . . . . . . . . . .  21

   10.  application/xmpp+xml Media Type  . . . . . . . . . . . . . .  21

   11.  Security Considerations  . . . . . . . . . . . . . . . . . .  22

   12.  IANA Considerations  . . . . . . . . . . . . . . . . . . . .  22

   13.  References . . . . . . . . . . . . . . . . . . . . . . . . .  23

   A.   Schema for urn:ietf:params:xml:ns:xmpp-e2e . . . . . . . . .  26

   Author's Address. . . . . . . . . . . . . . . . . . . . . . . . .  26

   Full Copyright Statement. . . . . . . . . . . . . . . . . . . . .  27

Saint-Andre                 Standards Track                     [Page 1]

RFC 3923                        XMPP E2E                    October 2004

1.  Introduction

   This memo defines methods of end-to-end signing and object encryption

   for the Extensible Messaging and Presence Protocol (XMPP).  (For

   information about XMPP, see [XMPP-CORE] and [XMPP-IM].)  The method

   specified herein enables a sender to sign and/or encrypt an instant

   message sent to a specific recipient, sign and/or encrypt presence

   information that is directed to a specific user, and sign and/or

  ...