“Beyond-Birthday-Bound Security for 4-Round Linear Substitution-Permutation Networks”. IACR Transactions on Symmetric Cryptology 2020, no. 3 (September 28, 2020): 305–326. Accessed January 9, 2025. https://ojs.ub.ruhr-uni-bochum.de/index.php/ToSC/article/view/8704.