Sukmaindrayana, Andri, and Aneu Yulianeu. “Signature Security Development Utilizing Rivest Shamir Adleman and Affine Cipher Cryptographic Algorithms”. International Journal of Intelligent Systems and Applications in Engineering 11, no. 3 (July 22, 2023): 276–282. Accessed October 6, 2025. https://ijisae.org/index.php/IJISAE/article/view/3168.