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Related-Key Differential-Linear Attacks on Reduced AES-192

  • Wentao Zhang
  • Lei Zhang
  • Wenling Wu
  • Dengguo Feng
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4859)

Abstract

In this paper, we study the security of AES-192 against related-key differential-linear cryptanalysis, which is the first attempt using this technique. Among our results, we present two variant attacks on 7-round AES-192 and one attack on 8 rounds using a 5-round related-key differential-linear distinguisher. One key point of the construction of the distinguisher is the special property of MC operation of AES. Compared with the best known results of related-key impossible differential attacks and related-key rectangle attacks on AES-192, the results presented in this paper are not better than them, but the work is a new attempt, and we hope further work may be done to derive better results in the future.

Keywords

AES cryptanalysis related-key differential-linear attack 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Wentao Zhang
    • 1
  • Lei Zhang
    • 2
  • Wenling Wu
    • 2
  • Dengguo Feng
    • 2
  1. 1.State Key Laboratory of Information Security, Graduate University of Chinese Academy of Sciences, Beijing 100049P.R. China
  2. 2.State Key Laboratory of Information Security, Institute of Software, Chinese Academy of Sciences, Beijing 100080P.R. China

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