b, d.h[7] = consumeUint32(b)
	b = b[copy(d.x[:], b):]
	b, n := consumeUint64(b)
	d.nl = uint32(n << 3)
	d.nh = uint32(n >> 29)
	d.nx = uint32(n) % 64
	return nil
}

// NewSHA384 returns a new SHA384 hash.
func NewSHA384() hash.Hash {
	h := new(sha384Hash)
	h.Reset()
	return h
}

type sha384Hash struct {
	ctx C.GO_SHA512_CTX
	out [384 / 8]byte
}