Abdelkhalek, Ahmed, Yu Sasaki, Yosuke Todo, Mohamed Tolba, and Amr M. Youssef. “MILP Modeling for (Large) S-Boxes to Optimize Probability of Differential Characteristics”. IACR Transactions on Symmetric Cryptology 2017, no. 4 (December 15, 2017): 99–129. Accessed January 19, 2025. https://icscm.ub.rub.de/index.php/ToSC/article/view/805.