Journal of Shanghai Jiaotong University ›› 2012, Vol. 46 ›› Issue (06): 865-869.

• Radiao Electronics, Telecommunication Technology • Previous Articles     Next Articles

Differential Fault Analysis on the Stream Cipher LEX

 ZHANG  Zhong-Ya, GUAN  Jie   

  1. (Electronic Technology Institute, Information Engineering University, Zhengzhou 450004, China)
  • Received:2011-09-08 Online:2012-06-28 Published:2012-06-28

Abstract: A differential fault analysis on stream cipher LEX (Leak Extraction) based on bit-oriented random fault model is shows that it needs about 96 pairs of correct and faulty keystream and 232 simple operations or 120 pairs of correct and faulty key-stream and 216 simple operations to recover all the 128 bit master key. The result shows that LEX is vulnerable to differential fault analysis.

Key words: stream cipher, differential fault analysis, leak EXtraction(LEX)

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