Nakamichi, Ryota, and Tetsu Iwata. “Iterative Block Ciphers from Tweakable Block Ciphers With Long Tweaks”. IACR Transactions on Symmetric Cryptology 2019, no. 4 (January 31, 2020): 54–80. Accessed May 24, 2025. https://tches.iacr.org/index.php/ToSC/article/view/8453.