Implementation comparison: crypto_hash/sha512

Operationcrypto_hash
Primitivesha512
Description SHA-512 with 512-bit output
Designers NSA
Implementations cryptopp Wei Dai (wrapper around Crypto++)
openssl Daniel J. Bernstein (wrapper around OpenSSL)
ref Daniel J. Bernstein (wrapper around crypto_hashblocks/sha512)
sphlib Thomas Pornin
sphlib-small Thomas Pornin