NTT Multiplication for NTT-unfriendly Rings: New Speed Records for Saber and NTRU on Cortex-M4 and AVX2. TCHES [Internet]. 2021 Feb. 23 [cited 2024 Jul. 27];2021(2):159-88. Available from: https://tches.iacr.org/index.php/TCHES/article/view/8791