Saturation Attack on the Block Cipher HIGHT

  • Authors:
  • Peng Zhang;Bing Sun;Chao Li

  • Affiliations:
  • Department of Mathematics and System Science, Science College of National University of Defence Technology, Changsha, China 410073;Department of Mathematics and System Science, Science College of National University of Defence Technology, Changsha, China 410073;Department of Mathematics and System Science, Science College of National University of Defence Technology, Changsha, China 410073 and State Key Laboratory of Information Security, Institute of So ...

  • Venue:
  • CANS '09 Proceedings of the 8th International Conference on Cryptology and Network Security
  • Year:
  • 2009

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Abstract

HIGHT is a block cipher with 64-bit block length and 128-bit key length, which was proposed by Hong et al. in CHES 2006 for extremely constrained environments such as RFID tags and sensor networks. In this paper, a new saturation attack on HIGHT is discussed. We first point out and correct an error in the 12-round saturation distinguishers given by the HIGHT proposers. And then two new 17-round saturation distinguishers are described. Finally, we present a 22-round saturation attack on HIGHT including full whitening keys with 262.04 chosen plaintexts and 2118.71 22-round encryptions.