Implementation comparison: crypto_sign/dilithium4

Operationcrypto_sign
Primitivedilithium4
Description Dilithium, very high parameters
Designers Léo Ducas (CWI)
Eike Kiltz (Ruhr-Universität Bochum)
Tancrède Lepoint (SRI International)
Vadim Lyubashevsky (IBM Research)
Peter Schwabe (Radboud University)
Gregor Seiler (IBM Research)
Damien Stehlé (ENS de Lyon)
Implementations avx2
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