Particle Swarm Optimization Based Highly Nonlinear Substitution-Boxes Generation for Security Applications
This paper employs Particle Swarm Optimization (PSO) combined with chaotic dynamical maps to generate highly nonlinear Substitution-Boxes (S-Boxes) for use in block cipher security applications. The generated S-Boxes exhibit superior nonlinearity, strict avalanche criterion, and resistance to differential and linear cryptanalysis attacks.