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Hardware

CLP Security Modules

CLP-43: MULTI2 Cipher Core

The CLP-43 MULTI2 Flow-Through core implements the MULTI2 encryption and decryption algorithms for all key sizes via a FIFO based data interface. The algorithm is based on the ISO 9979/0009 Algorithm Register Entry and supports ECB, CBC, OFB and CFB block cipher modes of operation as specified by NIST Special Publication 800-38A.

Key Features:

  • MULTI2 encryption and decryption flow-through core
  • Steady state throughput is 64 bits/cycle/round
  • Maximum clock frequency: 300 MHz in 90nm
    • 600 Mbps of throughput with 32 rounds
  • Flow-through architecture
    • Ingress and egress FIFO depth configurable at build time
  • Supports ECB, CBC, OFB, CFB modes of operation
  • 20K ASIC gates

Applications:

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