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Data Communication Based on MQTT in a Polymer Extrusion Process

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MQTree: Secure OTA Protocol Using MQTT and MerkleTree.

Yunje Shin¹, Sanghoon Jeon²

¹Department of Software, Kookmin University, Seoul 02707, Republic of Korea.

Sensors (Basel, Switzerland)

|March 13, 2024

Summary

This summary is machine-generated.

This study introduces a secure firmware over-the-air (FOTA) update mechanism for software-defined vehicles (SDVs). It combines Message Queuing Telemetry Transport (MQTT) with Merkle tree blockchain verification for reliable and efficient automotive updates.

Keywords:

MQTT Merkle tree OTA Software-Defined Vehicle V2X

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Area of Science:

Automotive Engineering
Cybersecurity
Computer Science

Background:

Software-Defined Vehicles (SDVs) require robust firmware update strategies.
Traditional methods struggle to guarantee firmware integrity for automotive over-the-air (OTA) updates.
Existing decentralized approaches, like blockchain, lack comprehensive validation in automotive OTA contexts.

Purpose of the Study:

To propose a novel and secure mechanism for firmware over-the-air (FOTA) updates in SDVs.
To address the limitations of current firmware update practices and partial validation of decentralized methods.
To enhance the integrity, reliability, and efficiency of automotive firmware updates.

Main Methods:

Leveraging the Message Queuing Telemetry Transport (MQTT) protocol, common in the Internet of Things (IoT).
Implementing Merkle tree-based blockchain verification for enhanced firmware integrity.
Integrating these technologies to ensure stability and performance in automotive OTA updates.

Main Results:

A novel FOTA update mechanism tailored for SDVs.
Demonstrated fortification of firmware fidelity and update efficiency.
Prioritization of automotive OTA stability without compromising performance.

Conclusions:

The proposed solution offers a significant advancement in secure and scalable SDV firmware update protocols.
The integration of MQTT and Merkle tree blockchain verification enhances reliability and efficiency.
This approach addresses critical needs for secure automotive OTA updates in the evolving SDV landscape.