Chou, Tung, and Jin-Han Liou. “A Constant-Time AVX2 Implementation of a Variant of ROLLO”. IACR Transactions on Cryptographic Hardware and Embedded Systems 2022, no. 1 (November 19, 2021): 152–174. Accessed January 19, 2022. https://tches.iacr.org/index.php/TCHES/article/view/9293.