Cryptology ePrint Archive: Report 2014/262

Differential Fault Analysis of MICKEY Family of Stream Ciphers

Sandip Karmakar and Dipanwita Roy Chowdhury

Abstract: This paper presents differential fault analysis of the MICKEY family of stream ciphers, one of the winners of eStream project. The current attacks are of the best performance among all the attacks against MICKEY ciphers reported till date. The number of faults required with respect to state size is about 1.5 times the state size. We obtain linear equations to determine state bits. The fault model required is reasonable. The fault model is further relaxed without reproducing the faults and allowing multiple bit faults. In this scenario, more faults are required when reproduction is not allowed whereas, it has been shown that the number of faults remains same for multiple bit faults.

Category / Keywords: secret-key cryptography / MICKEY-128 2.0, MICKEY v1, MICKEY 2.0, MICKEY-128, Side Channel Attack, Fault Attack

Date: received 14 Apr 2014

Contact author: sandip1kk at gmail com

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Version: 20140420:153458 (All versions of this report)

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