Ponciano Santiago, Yair Alejandro, Rogelio Enrique Telona Torres, and Juan Rafael González Cadena. “Scheme for Authentication and Validation of Electronic Documents through a Certification Authority”. Programación Matemática y Software 14, no. 1 (February 15, 2022): 64–73. Accessed May 19, 2024. https://progmat.uaem.mx/progmat/index.php/progmat/article/view/2022-14-1-07.