Conference paper Open Access

Higher-Order Threshold Implementation of the AES S-Box

De Cnudde, Thomas; Bilgin, Begül; Reparaz, Oscar; Nikov, Ventzislav; Nikova, Svetla

In this paper we present a threshold implementation of the Advanced Encryption Standard’s S-box which is secure against first- and second-order power analysis attacks. This security guarantee holds even in the presence of glitches, and includes resistance against bivariate attacks. The design requires an area of 7849 Gate Equivalents and 126 bits of randomness per S-box execution. The implementation is tested on an FPGA platform and its security claim is supported by practical leakage detection tests.

H2020 644052 / HECTOR
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