Differential Cryptanalysis of KHF

  • Authors:
  • David Wagner

  • Affiliations:
  • -

  • Venue:
  • FSE '98 Proceedings of the 5th International Workshop on Fast Software Encryption
  • Year:
  • 1998

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Abstract

Bakhtiari et al recently proposed a fast message authentication primitive called KHF. This paper shows that KHF is highly vulnerable to differential cryptanalysis: it can be broken with about 37 chosen message queries. This suggests that the KHF design should be reconsidered.