TS Latest: Rel-20 Security 5G

TS 35.243 – AES 256-bit Algorithm Set Specification

3GPP TS 35.243 is the 3GPP Technical Specification for AES 256-bit Algorithm Set Specification. Its official 3GPP title is “Specification of the AES based 256-bits algorithm set”. It is published in 3 releases (Rel-18 to Rel-20); the latest version is 20.0.0 in Rel-20.

Specifies AES-based 256-bit encryption (256-NEA5), integrity (256-NIA5), and authenticated encryption (256-NCA5) algorithms for 5G air interface security.

Read TS 35.243 →

Document type
Technical Specification
Latest release
Rel-20
Latest version
20.0.0
Series
Category
Security
Network layer
RAN
Technology
5G

Releases and versions of TS 35.243

ReleaseLatest versionLinks
Rel-20 20.0.0 Read · Download (3GPP)
Rel-19 19.0.0 Read · Download (3GPP)
Rel-18 18.0.0 Read · Download (3GPP)

Scope of TS 35.243

Category: Security (Cryptography). Technology generation: 5G. Network layer: RAN.

Who should read this specification?

Implementation notes

Complexity level: Expert. Implementation difficulty: High.

Key technologies

5GAES-256Snow 5GZUC-256

Specifications referenced by TS 35.243

Other specifications in the 35 series

Related glossary terms

5GAEADNOTEPDCPPolynomialHWClause3GParameterCNTRIKMAC

Related topics

Authentication (5G-AKA, EAP)Encryption & IntegritySecurity

Related technologies

5G

Frequently asked questions

What is 3GPP TS 35.243?

3GPP TS 35.243 is the 3GPP Technical Specification for AES 256-bit Algorithm Set Specification. Specifies AES-based 256-bit encryption (256-NEA5), integrity (256-NIA5), and authenticated encryption (256-NCA5) algorithms for 5G air interface security.

Which 3GPP releases include TS 35.243?

TS 35.243 is published in 3 releases, from Rel-18 to Rel-20. The latest version on 3GPP Explorer is 20.0.0 (Rel-20).

What category does TS 35.243 belong to?

TS 35.243 belongs to the Security (Cryptography) category of 3GPP specifications. It applies to 5G networks.

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