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MUP: Simplifying Secure Over-The-Air Update with MQTT for Constrained IoT Devices
Message Queuing Telemetry Transport (MQTT) is one of the dominating protocols for edge- and cloud-based Internet of Things (IoT) solutions. When a security vulnerability of an IoT device is known, it has to be fixed as soon as possible. This requires a firmware update procedure. In this paper, we propose a secure update protocol for MQTT-connected devices which ensures the freshness of the firmware, authenticates the new firmware and considers constrained devices. We show that the updatedoi:10.3390/s21010010 pmid:33374965 fatcat:7qm3xtj57zavbdw5xurxk6pshi