Akhmetov, Berik, Sergiy Gnatyuk, Vasyl Kinzeryavyy, and Khalicha Yubuzova. “STUDIES ON PRACTICAL CRYPTOGRAPHIC SECURITY ANALYSIS FOR BLOCK CIPHERS WITH RANDOM SUBSTITUTIONS”. International Journal of Computing 19, no. 2 (June 14, 2020): 298-308. Accessed May 4, 2024. https://www.computingonline.net/computing/article/view/1774.