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Affine equivalence classification of Boolean functions has significant applications in logic synthesis and cryptography. Previous studies for classification have been limited by the large set of Boolean functions and the complex operations on the affine group. Although there are many research on affine equivalence classification for parts of Boolean functions in recent years, there are very few results...
We show that there is significant benefit to using a reconfigurable computer to enumerate bent Boolean functions for cryptographic applications. Bent functions are rare, and the only known way to generate all bent functions is by a sieve technique in which many prospective functions are tested. The speed-up achieved depends on the number of variables n; for n = 8, we show that the reconfigurable computer...
This paper presents hardware implementations of a DES cryptoprocessor with masking countermeasures and their evaluation against side-channel attacks (SCAs) in FPGAs. The masking protection has been mainly studied from a theoretical viewpoint without any thorough test in a noisy real world designs. In this study the masking countermeasure is tested with first-order and higher-order SCAs on a fully-fledged...
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