Bogdanov, Andrey, Elmar Tischhauser, and Philip S. Vejre. “Multivariate Profiling of Hulls for Linear Cryptanalysis”. IACR Transactions on Symmetric Cryptology 2018, no. 1 (March 1, 2018): 101–125. Accessed January 18, 2025. https://er.ceres.rub.de/index.php/ToSC/article/view/846.