5G • Security
128-NEA2
AES-CTR 5G Encryption Algorithm
Block cipher running Advanced Encryption Standard in Counter Mode (AES-CTR) with a 128-bit key.
Technical Explanation
128-NEA2 is the most widely deployed encryption algorithm in 5G networks globally. It utilizes AES in Counter Mode (CTR), allowing high-speed parallelized hardware execution in modern smartphone application processors and base station DSPs.
Key Functions
- Industry-standard AES encryption running in Counter Mode (AES-CTR)
- The most ubiquitous commercial encryption cipher in 5G networks globally
- Enables highly parallelized hardware acceleration in modern silicon
Specifications
3GPP TS 33.501, NIST SP 800-38A
Interfaces
UuN1
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