Image encryption scheme based on fractional-order hyper-chaotic lorenz system with two-stage confusion-diffusion for enhanced pixel randomness. J. Soft Comput. Explor [Internet]. 2026 Apr. 16 [cited 2026 Apr. 30];7(1):167-78. Available from: https://joscex.shmpublisher.com/index.php/journal/article/view/7