code: def mont_pub_to_ed_pub(cls, mont_pub):
          
  
          if not isinstance(mont_pub, bytes):
              raise TypeError("Wrong type passed for the mont_pub parameter.")
  
          if len(mont_pub) != cls.MONT_PUB_KEY_SIZE:
              raise ValueError("Invalid value passed for the mont_pub parameter.")
  
          return bytes(cls._mont_pub_to_ed_pub(bytearray(mont_pub)))
docs: Derive a Twisted Edwards public key from given Montgomery public key.
  
          :param mont_pub: A bytes-like object encoding the public key with length
              MONT_PUB_KEY_SIZE.
          :returns: A bytes-like object encoding the public key with length ED_PUB_KEY_SIZE.