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<p dir="ltr">The non-linearity of symmetric block cryptographic algorithms, which is crucial for resisting linear and differential cryptanalysis, depends on the design of substitution boxes. This work proposes a novel scheme, combining opposition-based learning with graph-based repre...

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Main Author: Francisco Gonzalez Molina (21213722) (author)
Published: 2025
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Summary:<p dir="ltr">The non-linearity of symmetric block cryptographic algorithms, which is crucial for resisting linear and differential cryptanalysis, depends on the design of substitution boxes. This work proposes a novel scheme, combining opposition-based learning with graph-based representation to be integrated into population-based metaheuristics. This scheme is used to address the 8x8 S-Box design problem by three swarm intelligence metaheuristics.</p>