SoK: The Engineer’s Guide to Post-Quantum Cryptography for Embedded Devices

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Embedded systems are flexible and cost-effective, and thus ubiquitous, making them attractive targets for cyberattacks. Yet deploying advanced cybersecurity on embedded devices is challenging due to their limited computational power and memory. An emerging risk is quantum computing, which, despite being in its early stages, threatens classical asymmetric cryptography. Given the long lifespan of embedded devices, engineers must urgently address post-quantum security. Post-quantum cryptography (PQ