Exploiting Multiples of the Connection Polynomial in Word-Oriented Stream Ciphers

  • Authors:
  • Philip Hawkes;Gregory G. Rose

  • Affiliations:
  • -;-

  • Venue:
  • ASIACRYPT '00 Proceedings of the 6th International Conference on the Theory and Application of Cryptology and Information Security: Advances in Cryptology
  • Year:
  • 2000

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Abstract

This paper describes some attacks on word-oriented stream ciphers that use a linear feedback shift register (LFSR) and a non-linear filter. These attacks rely on exploiting linear relationships corresponding to multiples of the connection polynomial that define the LFSR.