PARK, Yoon-Jae; LIM, Yong-Hoon; CHAE, Myung-Sin. A Study on Digital Signature Authentication Algorithm Based on Multi-Factor and Public Key Infrastructure. International Journal of Engineering and Technology, [S. l.], v. 8, n. 1.4, p. 630–639, 2026. DOI: 10.14419/ijet.v8i1.4.26320. Disponível em: https://www.sciencepubco.com/index.php/IJET/article/view/26320.. Acesso em: 25 feb. 2026.