Dafik, Venkatraman S, Sathyanarayanan G, Baihaki RI, Mursyidah IL, Agustin IH. Enhancing Text Encryption and Secret Document Watermarking through Hyperladder Graph-Based Keystream Construction on Asymmetric Cryptography Technology. Stat., optim. inf. comput. [Internet]. 2025Apr.29 [cited 2025Jun.28];14(1):247-63. Available from: http://47.88.85.238/index.php/soic/article/view/2310