A CPA attack against round based Piccolo-80 hardware implementation
2012
In CHES 2011, Sony Corporation proposed a very promising ultra-lightweight blockcipher named Piccolo and claimed it offers a sufficient security level against known cryptanalyses based on mathematical weaknesses. The correlation power analysis (CPA) attack against a round-based Piccolo-80 hardware implementation is discussed in this paper. We built a power consumption acquisition platform based on simulation for minimum overhead, presented a feasible CPA attack method based on HD model and the final round, and retrieved the final round key RK 24 L , RK 24 R and the whiten key WK 2 and WK 2 with 500 power traces. The results showed Piccolo-80 round-based hardware implementation is vulnerable to power analysis attack. To the best of our knowledge, this is the first paper to discuss power analysis attack against Piccolo.
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