Liu, Guozhen, Weidong Qiu, and Yi Tu. “New Techniques for Searching Differential Trails in Keccak”. IACR Transactions on Symmetric Cryptology 2019, no. 4 (January 31, 2020): 407–437. Accessed April 16, 2024. https://tosc.iacr.org/index.php/ToSC/article/view/8470.