Primitives and Hybrid Systems

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Effective long-term security requires a range of cryptographic primitives, including signatures. The Hub is investigating integration of post-quantum cryptography (PQC) with QKD . This work involves the efficient and optimal design of suitable PQC building blocks, namely fast polynomial or matrix-vector multiplication over specialized rings, and Gaussian sampling. Hybrid designs, integrating with existing QKD technology are also being explored along with improvements to post-processing (starting with QRNGs).