Ginting, Cindy Laurent, Mohammad Andri Budiman, and Sawaluddin Nasution. “Signcryption With Matrix Modification of RSA Digital Signature Scheme and Cayley-Purser Algorithm”. Data Science: Journal of Computing and Applied Informatics 8, no. 1 (January 31, 2024): 14–24. Accessed September 8, 2025. https://idjpcr.usu.ac.id/JoCAI/article/view/12226.