Gao Y, Guo C, Wang M, Wang W, Wen J. Beyond-Birthday-Bound Security for 4-round Linear Substitution-Permutation Networks. ToSC [Internet]. 2020 Sep. 28 [cited 2025 Jan. 18];2020(3):305-26. Available from: https://er.ceres.rub.de/index.php/ToSC/article/view/8704