A Lightweight, End-to-End Encrypted Data Pipeline for IIoT: An AES-GCM Implementation for ESP32, MQTT, and Raspberry Pi. - Gulshat Amirkhanova; Syrym Ismailov; Alikhan Amirkhanov; Saltanat Adilzhanova; Meiramkul Zhasuzakova; Siming Chen 001 (Inf., 2026)