Investigation on lattices- and code-based post-quantum signature cryptosystems

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Abstract

As quantum-resistant cryptosystems will soon benecessary, the NIST has organized a contest aim-ing to its standardization. The proposed schemesmust be evaluated and thoroughly investigated tonotably ensure their security and compare their per-formance. This paper will explore various lattices-based (pqNTRUSign, BLISS, Dilithium, Falcon,qTesla) and code-based (RaCoSS, pqsigRM) dig-ital signature schemes. An efficiency and security-based comparison is conducted among them andtheir features are discussed.