Content for TS 43.020 Word version: 16.1.0
E GSM Cordless Telephony System (CTS), (Phase 1); Security related network functions; Stage 2
E.1 Introduction
E.2 General
E.3 CTS local security system
E.4 CTS supervising security system
E.5 Other CTS security features
E.6 FP Integrity
E.7 Type approval issues
E.8 Security information to be stored in the entities of the CTS
E.9 External specification of security related algorithms
E.10 Coding of the FPAC and CTS-PIN
E.11 Guidelines for generation of random numbers (informative annex)
E (Normative) GSM Cordless Telephony System (CTS), (Phase 1); Security related network functions; Stage 2 Word‑p. 69
E.1 Introduction
E.1.1 Scope
E.1.2 References
E.1.3 Definitions and Abbreviations
E.1.3.1 Definitions
E.1.3.2 Abbreviations Word‑p. 70
E.2 General Word‑p. 71
E.3 CTS local security system Word‑p. 72
E.3.1 Mobile Subscriber identity confidentiality
E.3.2 Identity authentication
E.3.2.1 The mutual authentication procedure
E.3.2.1.1 Authentication failure Word‑p. 74
E.3.2.2 Authentication Key management.
E.3.3 Confidentiality of user information and signalling between CTS-MS and CTS-FP Word‑p. 75
E.3.3.1 The ciphering method
E.3.3.2 Key setting
E.3.3.3 Starting of the ciphering and deciphering processes Word‑p. 76
E.3.3.4 Synchronisation Word‑p. 77
E.3.4 Structured procedures with CTS local security relevance
E.4 CTS supervising security system Word‑p. 82
E.4.1 Supervision data and supervision data protection
E.4.1.1 Structure of supervision data
E.4.1.2 Supervision data protection
E.4.1.3 Key management Word‑p. 83
E.4.2 CTS subscriber identity
E.4.3 Identity authentication with the CTS operator and the PLMN
E.4.4 Secure operation control Word‑p. 85
E.4.4.1 GSM layer 3 signalling
E.4.4.2 CTS application signalling via the Fixed Network
E.4.4.3 CTS operation control procedures Word‑p. 86
E.4.5 Equipment checking Word‑p. 89
E.4.6 FP-SIM card checking
E.5 Other CTS security features Word‑p. 90
E.5.1 Secure storage of sensitive data and software in the CTS MS
E.5.2 Secure storage of sensitive data and software in CTS-FP
E.5.3 CTS-FP reprogramming protection
E.6 FP Integrity
E.6.1 Threats Word‑p. 91
E.6.1.1 Changing of FP software
E.6.1.2 Changing of IFPEI Word‑p. 92
E.6.1.3 Changing of IFPSI and operator and subscription related keys (KiFP, KOP)
E.6.1.4 Changing of timers and timer limits
E.6.1.5 Changing of radio usage parameters
E.6.2 Protection and storage mechanisms
E.7 Type approval issues
E.8 Security information to be stored in the entities of the CTS Word‑p. 93
E.9 External specification of security related algorithms Word‑p. 95
E.9.1 Algorithm B1
E.9.2 Algorithm B2
E.9.3 Algorithms B3 and B4 Word‑p. 97
E.9.4 Algorithms B5 and B6
E.10 Coding of the FPAC and CTS-PIN Word‑p. 98
E.11 Guidelines for generation of random numbers (informative annex)
