Algebraic break of image ciphers based on discretized chaotic map lattices

  • Authors:
  • Ercan Solak;Cahit Çokal

  • Affiliations:
  • Department of Computer Science and Engineering, Isik University, 34980 Istanbul, Turkey;Department of Computer Science and Engineering, Isik University, 34980 Istanbul, Turkey

  • Venue:
  • Information Sciences: an International Journal
  • Year:
  • 2011

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Abstract

In this paper, we provide an algebraic cryptanalysis of a recently proposed chaotic image cipher. We show that the secret parameters of the algorithm can be revealed using chosen-plaintext attacks. Our attack uses the orbit properties of the permutation maps to deduce encryption values for a single round. Once a single round encryption is revealed, the secret parameters are obtained using simple assignments.