Computer Science ›› 2018, Vol. 45 ›› Issue (2): 222-225.doi: 10.11896/j.issn.1002-137X.2018.02.038

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Collision Attack on MIBS Algorithm

DUAN Dan-qing and WEI Hong-ru   

  • Online:2018-02-15 Published:2018-11-13

Abstract: MIBS algorithm is a lightweight block cipher,which was proposed in 2009.In order to further evaluate its security,the ability of MIBS algorithm against the collision attack was studied.Based on the equivalent structure of MIBS,6-round distinguisher was constructed.By adding two rounds behind the distinguisher and two rounds in front of it in turn,the collision attack was applied to 8/9/10-round MIBS,and the attacking process and complexity analysis were given.The attacking results show that 8/9/10-round MIBS is not immune to collision attack.

Key words: MIBS algorithm,Collision attack,Cryptanalysis,Distinguisher,Complexity

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