Mini-ciphers: a reliable testbed for cryptanalysis?

Authors Jorge Nakahara, Daniel Santana de Freitas

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Jorge Nakahara
Daniel Santana de Freitas

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Jorge Nakahara and Daniel Santana de Freitas. Mini-ciphers: a reliable testbed for cryptanalysis?. In Symmetric Cryptography. Dagstuhl Seminar Proceedings, Volume 9031, pp. 1-13, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2009)


This paper reports on higher-order square analysis of the AES cipher. We present experimental results of attack simulations on mini-AES versions with word sizes of 3, 4, 5, 6 and 7 bits and describe the propagation of higher-order Lambda-sets inside some of these distinguishers. A possible explanation of the length of the square distinguishers uses the concept of higher-order derivatives of discrete mappings.
  • Mini-ciphers
  • higher-order square attacks


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