Table of Contents

Foreword
1 Scope
2 Normative references
3 Definition
4 Abbreviations
5 Message system and key exchange
  5.1 Message channel
  5.2 Message formats
  5.3 Starting the privacy system
6 ISO 8732 key management
  6.1 Introduction
  6.2 Key management architecture
  6.3 Key management environments
  6.4 Cryptographic service message exchanges
  6.5 Example of ISO 8732 message exchange
7 Extended Diffie-Hellman key distribution
  7.1 Introduction
  7.2 The basic protocol
  7.3 Diffie-Hellman messages
  7.4 Extension for line checks
8 RSA based operation
  8.1 Introduction
  8.2 System set up
  8.3 Authentication key generation and distribution
  8.4 Certification
  8.5 Alternative solution for certification without a GCA
  8.6 Authentication of entities
  8.7 Generation of key for encryption of session keys
  8.8 RSA messages
9 MCU operation
Annex A (informative): Bibliography
History

Abstract

Describes authentication and key management methods for a privacy system suitable for use in narrowband audiovisual services conforming to ITU-T Recommendations H.221 [5], H.230 [6] and H.242 [8].

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SEC
Supersedes	PRETS 300 841 : AUG 97