MQTT Across a Raspberry Pi 5 IoT Network Utilizing Quantum-resistant Signature Algorithms
TLDR
This paper explores implementing quantum-resistant FALCON signatures on MQTT IoT networks using Raspberry Pi 5 to secure devices.
Key contributions
- Investigates deploying quantum-resistant FALCON signatures on MQTT IoT networks.
- Utilizes Raspberry Pi 5 devices to simulate a resource-constrained IoT environment.
- Measures practical performance trade-offs of lattice-based PQC on lightweight hardware.
- Addresses the vulnerability of current IoT security to future quantum attacks.
Why it matters
This research is crucial for future-proofing IoT security against quantum computing threats. By demonstrating the practical integration of PQC like FALCON on resource-constrained devices, it provides insights into securing critical infrastructures. This helps guide the adoption of resilient cryptographic methods in the evolving IoT landscape.
Original 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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