Atighehchi, Kevin, and Alexis Bonnecaze. “Asymptotic Analysis of Plausible Tree Hash Modes for SHA-3”. IACR Transactions on Symmetric Cryptology 2017, no. 4 (December 15, 2017): 212–239. Accessed January 18, 2025. https://er.ceres.rub.de/index.php/ToSC/article/view/809.