NTT Multiplication for NTT-unfriendly Rings: New Speed Records for Saber and NTRU on Cortex-M4 and AVX2. TCHES [Internet]. 2021 Feb. 23 [cited 2025 Jan. 10];2021(2):159-88. Available from: https://er.ceres.rub.de/index.php/TCHES/article/view/8791