TS 43.020 – Security Procedures for GSM
3GPP TS 43.020 is the 3GPP Technical Specification for Security Procedures for GSM. It is published in 12 releases (Rel-8 to Rel-19); the latest version is 19.0.0 in Rel-19.
Specifies network functions for GSM security services like subscriber identity confidentiality, authentication, and ciphering.
Releases and versions of TS 43.020
| Release | Latest version | Links |
|---|---|---|
| Rel-19 | 19.0.0 | Read · Download (3GPP) |
| Rel-18 | 18.0.0 | Read · Download (3GPP) |
| Rel-17 | 17.1.0 | Read · Download (3GPP) |
| Rel-16 | 16.2.0 | Read · Download (3GPP) |
| Rel-15 | 15.3.0 | Read · Download (3GPP) |
| Rel-14 | 14.6.0 | Read · Download (3GPP) |
| Rel-13 | 13.9.0 | Read · Download (3GPP) |
| Rel-12 | 12.4.0 | Read · Download (3GPP) |
| Rel-11 | 11.6.0 | Read · Download (3GPP) |
| Rel-10 | 10.4.0 | Read · Download (3GPP) |
| Rel-9 | 9.4.0 | Read · Download (3GPP) |
| Rel-8 | 8.2.0 | Read · Download (3GPP) |
Scope of TS 43.020
Category: Security (Authentication). Technology generation: 2G. Network layer: CoreNetwork.
Who should read this specification?
- Network operators
- Device manufacturers
- Researchers and academics
Implementation notes
Complexity level: Intermediate. Implementation difficulty: Medium.
Key technologies
Specifications that reference TS 43.020
- TS 24.008 NAS Call, Mobility and Session Procedures
- TS 23.060 GPRS Stage 2 Service Description
- TS 29.002 Mobile Application Part (MAP) Specification
- TS 33.102 3G Security Architecture Specification
- TS 31.102 USIM Application Specification
- TS 29.274 GTPv2-C Control Plane Protocol
- TS 29.272 MME and SGSN Diameter interfaces to HSS/CSS/EIR
- TS 29.060 GPRS Tunnelling Protocol (GTP) version 1
- TS 33.246 MBMS Security Specification
- TS 23.018 Basic call handling in 3GPP CS domain
- TS 43.068 Voice Group Call Service (VGCS) Stage 2
- TS 44.064 GPRS Logical Link Control (LLC) Protocol
Other specifications in the 43 series
- TS 43.005 GSM PLMN Infrastructure Performance Objectives
- TS 43.010 PLMN Connection Types and Network Capabilities
- TS 43.013 GSM DRX/eDRX Operation Overview
- TS 43.022 Idle Mode Procedures for GSM/GPRS MS
- TS 43.026 Multiband GSM/DCS Operation Specification
- TS 43.030 Radio Network Planning Guidelines
- TS 43.033 Lawful Interception Stage 2 for GSM/GPRS
Related glossary terms
Related topics
Frequently asked questions
What is 3GPP TS 43.020?
3GPP TS 43.020 is the 3GPP Technical Specification for Security Procedures for GSM. Specifies network functions for GSM security services like subscriber identity confidentiality, authentication, and ciphering.
Which 3GPP releases include TS 43.020?
TS 43.020 is published in 12 releases, from Rel-8 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).
What category does TS 43.020 belong to?
TS 43.020 belongs to the Security (Authentication) category of 3GPP specifications. It applies to 2G networks.
View the full specification with interactive table of contents, version history, and AI analysis.
Read Full Specification →