TS Latest: Rel-20 Security 5G

TS 35.240 – 5G 256-bit Security Algorithm Set

3GPP TS 35.240 is the 3GPP Technical Specification for 5G 256-bit Security Algorithm Set. Its official 3GPP title is “Specification of the Snow 5G based 256-bits algorithm set”. It is published in 3 releases (Rel-18 to Rel-20); the latest version is 20.1.0 in Rel-20.

Defines 256-NEA4, 256-NIA4 and 256-NCA4 security algorithms based on Snow 5G, including encryption, integrity and authenticated encryption.

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Document type
Technical Specification
Latest release
Rel-20
Latest version
20.1.0
Series
Category
Security
Network layer
Security
Technology
5G

Releases and versions of TS 35.240

ReleaseLatest versionLinks
Rel-20 20.1.0 Read · Download (3GPP)
Rel-19 19.0.0 Read · Download (3GPP)
Rel-18 18.0.0 Read · Download (3GPP)

Scope of TS 35.240

Category: Security (Encryption and Integrity Protection). Technology generation: 5G. Network layer: Security.

Who should read this specification?

Implementation notes

Complexity level: Expert. Implementation difficulty: High.

Key technologies

5GNRSnow 5GAES-256ZUC-256AEADPOLYVAL

Specifications referenced by TS 35.240

Other specifications in the 35 series

Frequently asked questions

What is 3GPP TS 35.240?

3GPP TS 35.240 is the 3GPP Technical Specification for 5G 256-bit Security Algorithm Set. Defines 256-NEA4, 256-NIA4 and 256-NCA4 security algorithms based on Snow 5G, including encryption, integrity and authenticated encryption.

Which 3GPP releases include TS 35.240?

TS 35.240 is published in 3 releases, from Rel-18 to Rel-20. The latest version on 3GPP Explorer is 20.1.0 (Rel-20).

What category does TS 35.240 belong to?

TS 35.240 belongs to the Security (Encryption and Integrity Protection) category of 3GPP specifications. It applies to 5G networks.

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