code: def sign(self, byts):
          '''
          Compute the ECC signature for the given bytestream.
  
          Args:
              byts (bytes): The bytes to sign.
  
          Returns:
              bytes: The RSA Signature bytes.
          '''
          chosen_hash = c_hashes.SHA256()
          hasher = c_hashes.Hash(chosen_hash, default_backend())
          hasher.update(byts)
          digest = hasher.finalize()
          return self.priv.sign(digest,
                                c_ec.ECDSA(c_utils.Prehashed(chosen_hash))
                                f sign(self, byts):
          '''
          Compute the ECC signature for the given bytestream.
  
          Args:
              byts (bytes): The bytes to sign.
  
          Returns:
              bytes: The RSA Signature bytes.
          '''
          chosen_hash = c_hashes.SHA256()
          hasher = c_hashes.Hash(chosen_hash, default_backend())
          hasher.update(byts)
          digest = hasher.finalize()
          return self.priv.sign(digest,
                                c_ec.ECDSA(c_utils.Prehashed(chosen_hash))
                                )
docs: Compute the ECC signature for the given bytestream.
  
          Args:
              byts (bytes): The bytes to sign.
  
          Returns:
              bytes: The RSA Signature bytes.