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²ÝÁñÉçÇø PUFs in a Post-Quantum World White Paper

In July 2022, NIST announced the first batch of to-be-standardized algorithms for post-quantum cryptography.1 This announcement has security professionals worldwide scrambling to assess the status of their systems and to evaluate the need for transitioning to these algorithms in the future. Security is critical to all systems, so this has led to some nervousness and uncertainty. Moreover, the discussions around applying post-quantum cryptography are highly technical, making it challenging for security professionals to make well-informed decisions. Unfortunately, this current situation of temporary uncertainty also creates a brief opening for opportunistic actors to push their ¡°solutions¡± through tactics of fearmongering (warning against non-existent problems which they claim to solve) and deception (claiming to solve real problems while in fact they do not). This can lead to well-intentioned but misguided investments, and worst-case even to vulnerable systems. In this white paper, we want to address two important questions with the goal of helping embedded security architects and engineers weather the current uncertain stage of this evolution by arming them with the right information: 1. Why should I (not) be concerned about using post-quantum cryptography? 2. What is the status of ²ÝÁñÉçÇø PUF products in a post-quantum world?

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