TR Latest: Rel-19 Security Multi-Gen

TR 33.935 – LTKUP Solutions Implementation Details

3GPP TR 33.935 is the 3GPP Technical Report for LTKUP Solutions Implementation Details. It is published in 4 releases (Rel-16 to Rel-19); the latest version is 19.0.0 in Rel-19.

Detailed implementation of two Long Term Key Update Procedures (LTKUP) for secure key replacement in USIM/UICC across mobile generations.

Read TR 33.935 →

Document type

Technical Report

Latest release

Rel-19

Latest version

19.0.0

Series

33 series

Releases and versions of TR 33.935

Release	Latest version	Links
Rel-19	19.0.0	Read · Download (3GPP)
Rel-18	18.0.0	Read · Download (3GPP)
Rel-17	17.0.0	Read · Download (3GPP)
Rel-16	16.0.0	Read · Download (3GPP)

Scope of TR 33.935

Category: Security (Authentication). Technology generation: Multi-Gen. Network layer: Security.

Who should read this specification?

Network operators
Device manufacturers
Researchers and academics

Implementation notes

Complexity level: Advanced. Implementation difficulty: High.

Key technologies

USIMUICCHSSUDMOTAGSMUMTSLTE5G

Specifications referenced by TR 33.935

TR 21.905 3GPP Terminology and Definitions
TR 33.834 Long Term Key Update Procedures Study
TS 31.115 Secured Packet Structure for UICC Applications
TS 31.116 SIM/USIM Remote Management Specification
TS 33.220 Generic Authentication Architecture (GAA) Security

Other specifications in the 33 series

TR 33.929-6 LI Implementation Guidance: LI for IMS-based RCS
TR 33.929-7 LI for Location Services Implementation Guidance
TR 33.929-8 LI Implementation Guidance for MMS
TR 33.929-9 LI Implementation Guidance for Push to Talk over Cellular
TR 33.936 SECAM for 3GPP Virtualized Network Products
TR 33.937 Protection against Unsolicited Communication in IMS
TR 33.938 5G Standalone Cryptographic Inventory
TR 33.969 Security for Public Warning System (PWS)

Related glossary terms

USIM UMTS 5G HN UDM ISIM CNTR KDF ECIES Parameter IK NOTE

Related technologies

LTE 5G

Frequently asked questions

What is 3GPP TR 33.935?

3GPP TR 33.935 is the 3GPP Technical Report for LTKUP Solutions Implementation Details. Detailed implementation of two Long Term Key Update Procedures (LTKUP) for secure key replacement in USIM/UICC across mobile generations.

Which 3GPP releases include TR 33.935?

TR 33.935 is published in 4 releases, from Rel-16 to Rel-19. The latest version on 3GPP Explorer is 19.0.0 (Rel-19).

What category does TR 33.935 belong to?

TR 33.935 belongs to the Security (Authentication) category of 3GPP specifications. It applies to Multi-Gen networks.

View the full specification with interactive table of contents, version history, and AI analysis.

Read Full Specification →

Search