CRYPTOGRAPHIC FRAMEWORK FOR CLOUD-BASED DOCUMENT STORAGE USING AES-256 AND SHA-256 HYBRID SYSTEMS. jitk [Internet]. 2025 Dec. 1 [cited 2026 Feb. 11];11(2):535-49. Available from: https://ejournal.nusamandiri.ac.id/ejurnal/index.php/jitk/article/view/7132