Imports of package sha512

PathSynopsis
cryptoPackage crypto collects common cryptographic constants.
crypto/internal/boringPackage boring provides access to BoringCrypto implementation functions.
crypto/internal/fips140/sha512Package sha512 implements the SHA-384, SHA-512, SHA-512/224, and SHA-512/256 hash algorithms as defined in FIPS 180-4.
hashPackage hash provides interfaces for hash functions.