marshaledSize { return errors.New("sha3: invalid hash state") } magic := string(b[:len(magicSHA3)]) b = b[len(magicSHA3):] switch { case magic == magicSHA3 && d.dsbyte == dsbyteSHA3: case magic == magicShake && d.dsbyte == dsbyteShake: case magic == magicCShake && d.dsbyte == dsbyteCShake: case magic == magicKeccak && d.dsbyte == dsbyteKeccak: default: return errors.New("sha3: invalid hash state identifier") } rate := int(b[0]) b = b[1:] if rate != d.rate { return errors.New("sha3: invalid hash state function")...