Table of Contents

Foreword
Introduction
0 Scope
  0.1 Normative references
  0.2 Abbreviations
1 General
2 Subscriber identity confidentiality
  2.1 Generality
  2.2 Identifying method
  2.3 Procedures
3 Subscriber identity authentication
  3.1 Generality
  3.2 The authentication procedure
  3.3 Subscriber Authentication Key management
4 Confidentiality of signalling information elements,
  connectionless data and user information elements
  on physical connections
  4.1 Generality
  4.2 The ciphering method
  4.3 Key setting
  4.4 Ciphering key sequence number
  4.5 Starting of the ciphering and deciphering processes
  4.6 Synchronization
  4.7 Handover
  4.8 Negotiation of A5 algorithm
5 Synthetic summary
Annex A (informative): Security issues related to
        signalling schemes and key management
    A.1 Introduction
    A.2 Short description of the schemes
    A.3 List of abbreviations
Annex B (informative): Security information to be stored
        in the entities of the GSM system
    B.1 Introduction
    B.2 Entities and security information
Annex C (normative): External specifications of security
        related algorithms
    C.0 Scope
    C.1 Specifications for Algorithm A5
    C.2 Algorithm A3
    C.3 Algorithm A8
Annex D (normative): Security related network functions
        for General Packet Radio Service $(GPRS)$
    D.1 General
    D.2 Subscriber identity confidentiality
    D.3 Subscriber identity authentication
    D.4 Confidentiality of user information and signalling
        between MS and SGSN
    D.5 Synthetic summary
    D.6 Security of the GPRS backbone
Annex E (informative): Status of Technical Specification
        GSM 03.20
History

Abstract

Specifies the network functions needed to provide the security related service and functions specified in GSM 02.09.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	European Telecommunications Standards Institute
Pages
ISBN
Committee	SMG 3
Supersedes	PRETS 300 929 : FEB 98