MQTT Across a Raspberry Pi 5 IoT Network Utilizing Quantum-resistant Signature Algorithms

• URL: http://arxiv.org/abs/2605.13698v1
• Date: Wed, 13 May 2026 15:50:18 GMT
• Title: MQTT Across a Raspberry Pi 5 IoT Network Utilizing Quantum-resistant Signature Algorithms
• Abstract summary: Internet of Things (IoT) infrastructures must evaluate and adopt post-quantum cryptographic (PQC) methods.<n>This report investigates the implementation of PQC algorithms within an IoT-based networks using three Raspberry Pis.<n>It integrates the FALCON digital signature scheme, one of NIST's selected post-quantum signature algorithms, to maintain authenticity across resource-constrained clients and brokers.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The rapid expansion of the Internet of Things (IoT) has introduced millions of resource-constrained devices into critical infrastructures, consumer environments, and industrial systems. These devices rely on lightweight communication protocols such as MQTT to support low-power, intermittent, and bandwidth-limited operation. However, common TLS algorithms used to secure MQTT communications are vulnerable to quantum attacks made feasible by Shor's algorithm. As a result, IoT infrastructures must evaluate and adopt post-quantum cryptographic (PQC) methods capable of providing long-term resilience. This report investigates the implementation of PQC algorithms within an MQTT-based IoT networks using three Raspberry Pis. Specifically, it integrates the FALCON digital signature scheme, one of NIST's selected post-quantum signature algorithms, to maintain message authenticity and integrity across resource-constrained MQTT clients and brokers. By measuring system performance, the research characterizes the practical trade-offs of deploying lattice-based PQC on lightweight hardware.

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