Bertoni, Guido, Joan Daemen, Seth Hoffert, Michaël Peeters, Gilles Van Assche, and Ronny Van Keer. “Farfalle: Parallel Permutation-Based Cryptography”. IACR Transactions on Symmetric Cryptology 2017, no. 4 (December 15, 2017): 1–38. Accessed October 17, 2021. https://tosc.iacr.org/index.php/ToSC/article/view/855.