Rel-9 Security 2G Advanced

TS 55.226 – A5/4 and GEA4 Encryption Algorithms

Defines 128-bit encryption algorithms A5/4 for GSM/ECSD and GEA4 for GPRS based on KASUMI cipher.

Release
Rel-9
Category
Security
Subcategory
Authentication and Encryption
Network Layer
Security
Technology
2G
Business Impact
High

Key Technologies

GSMGPRSECSD

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