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Volume 12 / Issue 4

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DOI:   10.3217/jucs-012-04-0395


Pareto-Optimal Hardware for Substitution Boxes

Nadia Nedjah (State University of Rio de Janeiro, Brazil)

Luiza de Macedo Mourelle (State University of Rio de Janeiro, Brazil)

Abstract: In this paper, we propose a methodology based on genetic programming to automatically generate hardware designs of substitution boxes necessary for many cryptosystems such as DES encryption system. We aim at evolving minimal hardware specifications, which minimise both space (i.e. required gate number), response time (i.e. encryption and decryption time) and dissipated power. We compare our results against existing and well-known designs, which were produced by human designers using conventional methods.

Keywords: S-box, cryptography, evolvable hardware, genetic algorithms, multi-objective optimisation

Categories: B.5.2, C.3, E.3, I.2.2