CMALU: Compact Fault-Tolerant Modular Arithmetic Logic Unit for Post-Quantum Cryptography

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The rise of quantum computing threatens widely deployed public-key cryptosystems, driving the adoption of post-quantum cryptography (PQC) algorithms that rely heavily on modular arithmetic. Existing hardware accelerators of the PQC algorithms for resource-constrained Internet-of-Things (IoT) devices remain limited and lack integrated fault detection mechanisms. In this work, we present CMALU, a Compact, fault-tolerant Modular Arithmetic Logic Unit supporting six operations on a single reconfigur