Embedded security you can trust

Hardware

CLP Security Modules

CLP-42: CSA Decryption Core

The CLP-42 core is designed for DVB receiver applications, and implements a flow-through decryption core supporting the ETSI specified Common Scrambling Algorithm (CSA). The CSA cipher is used to protect MPEG-2 content in the European Pay-TV service used in Digital Video Broadcast applications. The cipher is also used in the European Broadcasting Union (EBU) for Digital Satellite News Gathering (DSNG) applications, where it provides the confidentiality algorithm within the Basic Interoperable Scrambling System (BISS) Mode 1 and Mode E specifications.

Key Features:

  • CSA decryption flow-through core
  • Maximum clock frequency: 300 MHz in 90nm
    • 500 Mbps of throughput
  • Flow-through architecture
    • Ingress and egress FIFO depth configurable at build time
  • Key size - 64 bits
  • 16K ASIC gates

Applications:

  • Set-top boxes
  • Digital television sets
  • Mobile handsets

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