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The Security Weakness of Block Cipher Piccolo against Fault Analysis

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  • Junghwan Song
  • Kwanhyung Lee
  • Younghoon Jung

Abstract

Piccolo is a 64-bit lightweight block cipher which is able to be implemented in constrained hardware environments such as a wireless sensor network. Fault analysis is a type of side channel attack and cube attack is an algebraic attack finding sufficiently low-degree polynomials in a cipher. In this paper, we show a fault analysis on the Piccolo by using cube attack. We find 16 linear equations corresponding to a round function F by cube attack, which are used to fault analysis. Our attack has the complexity of 2 8.49 and 2 9.21 encryptions with fault injections of target bit positions into Piccolo-80 and Piccolo-128, respectively. And our attack needs 2 20.86 and 2 21.60 encryptions with random 4-bit fault injections for Piccolo-80 and Piccolo-128, respectively.

Suggested Citation

  • Junghwan Song & Kwanhyung Lee & Younghoon Jung, 2014. "The Security Weakness of Block Cipher Piccolo against Fault Analysis," International Journal of Distributed Sensor Networks, , vol. 10(3), pages 842675-8426, March.
    • Handle: RePEc:sae:intdis:v:10:y:2014:i:3:p:842675
    DOI: 10.1155/2014/842675
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