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  1. Johansson, Thomas; Smith-Tone, Daniel (Ed.)
    In 2022, NIST selected the first set of four post-quantum cryptography schemes for near-term standardization. Three of them - CRYSTALS-Kyber, CRYSTALS-Dilithium, and FALCON - belong to the lattice-based family and one - SPHINCS+ - to the hash-based family. NIST has also announced an ”on-ramp” for new digital signature candidates to add greater diversity to the suite of new standards. One promising set of schemes - a subfamily of code-based cryptography - is based on the linear code equivalence problem. This well-studied problem can be used to design flexible and efficient digital signature schemes. One of these schemes, LESS, was submitted to the NIST standardization process in June 2023. In this work, we present a high-performance hardware implementation of LESS targeting Xilinx FPGAs. The obtained results are compared with those for the state-of-the-art hardware implementations of CRYSTALS-Dilithium, SPHINCS+, and FALCON. 
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