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Home > Archive>Volume 22, Issue 8, 2011 >1911-1917. DOI:10.3724/SP.J.1001.2011.03875
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Impossible Differential and Integral Cryptanalysis of Zodiac
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    Abstract:

    This paper reevaluates the security of Zodiac against impossible differential and integral attacks. In the past, results have shown that there are 15-round impossible differentials and 8-round integral distinguishers of Zodiac. Based on an 8-round truncated differential, with probability being 1, full 16-round impossible differentials and 9-round integral distinguishers are constructed. Integral attacks are applied to 12/13/14/15/16-round Zodiac with time complexities being 234, 259, 293, 2133 and 2190, respectively. Both the numbers of chosen plaintexts are no more than 216, which shows that the full 16-round Zodiac is not immune to integral attack.

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孙兵,张鹏,李超. Zodiac 算法的不可能差分和积分攻击.软件学报,2011,22(8):1911-1917

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History
  • Received:July 06,2009
  • Revised:March 04,2010
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