Elsharkawi, A., R. M. El-Sagheer, H. Akah, and H. Taha. “A Novel Image Stream Cipher Based On Dynamic Substitution”. Engineering, Technology & Applied Science Research 6, no. 5 (October 23, 2016): 1195–1199. Accessed April 12, 2025. https://mail.etasr.com/index.php/ETASR/article/view/729.