S&M2965 Research Paper of Special Issue
Information Security in Wireless Water Flow and Leakage Alarm System Chih-Chun Chang, Yao-Yu Lee, Ting-Yu Hou, and Chin-Chung Yu
(Received December 6, 2021; Accepted April 20, 2022)
Keywords: ESP32, IoT, information security, water flow meter, leakage detection
Toward improving water pipe leakage detection, we use an ESP32 board, sensors, and Internet of Things (IoT) technology to achieve flow rate detection and throttling of water. We use a Message Queuing Telemetry Transport server as a broker to receive and transmit the flow data and leakage alarm, respectively. The leakage detection and a LINE notification are determined and sent by a Python program. For the information security of IoT, we use a Galois/Counter Mode block encryption for packaging the IoT messages. The transmission speed of the encrypted message has no noticeable difference from that of the unencrypted one when the content exceeds 1000 bytes.
Corresponding author: Chin-Chung Yu