• DocumentCode
    2055272
  • Title

    A new algorithm for cryptanalysis of filtered LFSRs: the "probability-matching" algorithm

  • Author

    Leveiller, Sabine

  • Author_Institution
    Thales Commun., Colombes, France
  • fYear
    2004
  • fDate
    27 June-2 July 2004
  • Firstpage
    234
  • Abstract
    We present a new algorithm for crypt-analysis of filtered LFSRs that exploits an unusual property of Boolean functions. The overall idea is to try and match a theoretical probability distribution that has constant relationships on its preimage, thereby inferring the secret key.
  • Keywords
    Boolean functions; binary sequences; cryptography; filtering theory; probability; shift registers; telecommunication security; Boolean function property; LFSR filtering; cryptanalysis; probability distribution; probability-matching algorithm; secret key; Boolean functions; Computational efficiency; Equations; Error probability; Linear feedback shift registers; Linear systems; Probability distribution; Random variables; Transforms; Vectors;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Information Theory, 2004. ISIT 2004. Proceedings. International Symposium on
  • Print_ISBN
    0-7803-8280-3
  • Type

    conf

  • DOI
    10.1109/ISIT.2004.1365270
  • Filename
    1365270