def METHOD_NAME(self, cache_meta):
    intersect_key = cache_meta[str(self.guest_party_id)]["intersect_key"]
    mod_base = int(intersect_key["mod_base"])
    exponent = int(intersect_key["exponent"])
    ph_key = PohligHellmanCipherKey(mod_base, exponent)
    self.commutative_cipher = CryptoExecutor(ph_key)