Lin, Xiaoen, Le He, and Hongbo Yu. “Practical Preimage Attacks on 3-Round Keccak-256 and 4-Round Keccak[r=640, c=160]”. IACR Transactions on Symmetric Cryptology 2025, no. 1 (March 7, 2025): 328–356. Accessed May 22, 2025. https://er.ceres.rub.de/index.php/ToSC/article/view/12079.