Park Y-J, Lim Y-H, Chae M-S. A Study on Digital Signature Authentication Algorithm Based on Multi-Factor and Public Key Infrastructure. IJET [Internet]. 2026 Feb. 20 [cited 2026 Feb. 25];8(1.4):630-9. Available from: https://www.sciencepubco.com/index.php/IJET/article/view/26320