Lightweight Cryptographic Framework for Secure Firmware Updates in Resource-Constrained IoT-Based Industrial Automation Systems. IJCEET [Internet]. 2026 Jul. 26 [cited 2026 Sep. 11];1(1):1-33. Available from: https://ijceet.com/index.php/ijceet/article/view/lightweight-cryptographic-framework-secure-firmware-updates-reso