Volume 35 Issue 5
May  2010
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DONG Xiaoli, HU Yupu, CHEN Jie. Impossible Differential Cryptanalysis on 8-round AES-256[J]. Geomatics and Information Science of Wuhan University, 2010, 35(5): 595-598.
Citation: DONG Xiaoli, HU Yupu, CHEN Jie. Impossible Differential Cryptanalysis on 8-round AES-256[J]. Geomatics and Information Science of Wuhan University, 2010, 35(5): 595-598.
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Impossible Differential Cryptanalysis on 8-round AES-256

  • 1Key Laboratory of Computer Networks & Information Security,Ministry of Education,Xidian University, 2 South Taibai Road,Xi'an 710071,China;2State Key Laboratory of Information Security,Institute of Software,Chinese Academy of Sciences,A19 Yuquan Road,Beijing 100049,China

Funds: 国家自然科学基金资助项目(60970119,60833008)；国家973计划资助项目(2007CB311201)
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  • Received Date: March 14, 2010
  • Revised Date: July 08, 2013
  • Published Date: May 04, 2010
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  • We apply impossible differential attacks to 8-round AES-256.With the key schedule considerations,based on the techniques of looking up differential tables and re-using the data,a new attack on impossible differential cryptanalysis of 8-round AES-256 was presented.It requires the data complexity of about 2105 chosen plaintexts,time complexity of about 2229.58 memory accesses,and memory complexity of about 287 bytes,which is better than the previous known cryptanalytic results on 8-round AES-256 in terms of the memory.
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