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Optimality and beyond: The case of 4×4 S-boxes (CROSBI ID 613193)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Picek, Stjepan ; Ege, Baris ; Papagiannopoulos, Kostas ; Batina, Lejla ; Jakobović, Domagoj Optimality and beyond: The case of 4×4 S-boxes // IEEE International Symposium on Hardware-Oriented Security and Trust (HOST 2014). 2014. str. 80-83

Podaci o odgovornosti

Picek, Stjepan ; Ege, Baris ; Papagiannopoulos, Kostas ; Batina, Lejla ; Jakobović, Domagoj

engleski

Optimality and beyond: The case of 4×4 S-boxes

S-boxes with better transparency order are expected to have higher side-channel resistance. For 8×8 S-boxes this is not practical, considering the costs of lookup-table implementations and deterioration of many properties like nonlinearity or delta uniformity. However, if we concentrate on the 4×4 S-box size we can observe that it is possible to obtain S-boxes with better transparency order while maintaining proper “classical” properties. To prove this, we experiment with PRINCE and PRESENT S-boxes. We use various methods and show that evolutionary algorithms are also viable in obtaining the lowest known transparency order value for the nonlinearity value of 4. Next, we show that affine transformation changes the transparency order while keeping “classical” properties intact. By using this technique, it is possible to generate optimal S-boxes with improved DPA-related properties.

Boolean functions ; Ciphers ; Computer science ; Genetic algorithms ; Resistance

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Podaci o prilogu

80-83.

2014.

objavljeno

Podaci o matičnoj publikaciji

IEEE International Symposium on Hardware-Oriented Security and Trust (HOST 2014)

Podaci o skupu

Hardware-Oriented Security and Trust (HOST), 2014 IEEE International Symposium on

predavanje

06.05.2014-07.05.2014

Arlington (TX), Sjedinjene Američke Države

Povezanost rada

Računarstvo