Nguyen DT, Le Van Tuan, Doan Thi Bich Ngoc, Dang Duc Trinh. Proposing an efficient implementation method for exponentiation in digital signature scheme on ring Zn. JMST [Internet]. 2022 Nov. 18 [cited 2024 May 2];(83):72-81. Available from: https://online.jmst.info/index.php/jmst/article/view/518