CLP-41: SNOW 3G Flow Through Core

Elliptic’s CLP-41 core implements the SNOW 3G stream cipher that forms the heart of the 3GPP confidentiality algorithm and integrity algorithms. The Release 7 standard is governed by a European Telecommunications Standards Institute (ETSI) document - SNOW 3G Algorithm Specification Version 1.1 and these algorithms are known as UEA2 (encryption) and UIA2 (integrity). Releases 8, 9, 10 refer to these algorithms as 128-EEA1 and 128-EIA1. The differences between these releases and Release 7 do not affect the hardware core. The CLP-41 implements a flow-through or in-line version of the core although the core can also be provided as a look-aside engine. The security core is silicon proven and shipped in millions of units as a standalone core, or as a component of Elliptic’s security protocol accelerators and processors.

Features

SNOW 3G cipher for 3GPP
- Supports both the confidentiality (UEA2) and Integrity (UIA2) modes in Release 7
- Supports both the confidentiality (128-EEA1) and Integrity (128-EIA1) modes in Releases 8, 9, 10
Maximum clock frequency: 408 MHz in 90 nm
- 1.9 Gbps @ 200 MHz for 64 byte messages (UEA2 and 128-EEA1)
- 5.0 Gbps @ 200 MHz for 512 byte messages (UEA2 and 128-EEA1)
Flow-through architecture
- Ingress and egress FIFO depth configurable at build time
Key size - 128 bits
34K ASIC gates (supports both encryption and integrity modes)
- 16K ASIC gates confidentiality option (128-EEA1 and UEA2) also available

Benefits

Highly integrated
SoC/ASIC developers and embedded system OEMs benefit from
- Reduced time to market
- Reduced risk
- Highly tuned solutions for performance, power and size
IP developed by industry experts through a structured and rigorous development and verification program

Applications

Mobile communications
3GPP, UMTS, LTE, LTE Advanced (3G and 4G technologies)
- eNodeB Base stations
- Handsets
- Femtocells

Downloads

Product Brief: SNOW 3G Flow Through Core

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