Liu, Fukang, Takanori Isobe, and Willi Meier. “Cube-Based Cryptanalysis of Subterranean-SAE”. IACR Transactions on Symmetric Cryptology 2019, no. 4 (January 31, 2020): 192–222. Accessed January 18, 2025. https://er.ceres.rub.de/index.php/ToSC/article/view/8462.