The Legendre Symbol and the Modulo-2 Operator in Symmetric Schemes over Fnp: Preimage Attack on Full Grendel. ToSC [Internet]. 2022 Mar. 11 [cited 2024 Dec. 22];2022(1):5-37. Available from: https://moving-the-social.ub.rub.de/index.php/ToSC/article/view/9525