consumeUint64(b []byte) ([]byte, uint64) { return b[8:], byteorder.BEUint64(b) } // New returns a new Digest computing the SHA-512 hash. func New() *Digest { d := &Digest{size: size512} d.Reset() return d } // New512_224 returns a new Digest computing the SHA-512/224 hash. func New512_224() *Digest { d := &Digest{size: size224} d.Reset() return d } // New512_256 returns a new Digest computing the SHA-512/256 hash. func New512_256() *Digest { d := &Digest{size: size256} d.Reset() return d } // New384...