Crowley, Paul, and Eric Biggers. “Adiantum: Length-Preserving Encryption for Entry-Level Processors”. IACR Transactions on Symmetric Cryptology 2018, no. 4 (December 13, 2018): 39–61. Accessed April 20, 2024. https://tosc.iacr.org/index.php/ToSC/article/view/7360.