J4 ›› 2010, Vol. 45 ›› Issue (4): 12-15.

• Articles • Previous Articles     Next Articles

Differential cryptanalysis of reduced-round MIBS

 YANG Lin1,2, WANG Mei-Qin1,2   

  1. 1. School of Mathematics, Shandong University, Jinan 250100, Shandong, China;
    2. Key Laboratory of Cryptologic Technology and Information Security, Ministry of Education,Shandong University, Jinan 250100, Shandong, China
  • Received:2010-02-01 Online:2010-04-10 Published:2010-05-19

Abstract:

MIBS  presented by Maryam Izadi in CANS 2009 is suitable for extremely constrained environments such as RFID tags. A 4-round differential characteristic with probability 2-12, and r (8≤r≤12) rounds differential characteristics are presented. Attacking the 13-round MIBS uses 262 message pairs and 216 byte counters is with success probability 0.99. The time complexity is 225 encryptions.
 

Key words: block cipher; MIBS; differential cryptanalysis

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