def verify_message(self, key_or_address, signature, message=None, msg_hash=None):
        """
        Take a signature, encoded in Base64, and verify it against a
        key object (which implies the public key),
        or a specific base58-encoded pubkey hash.
        """
        if isinstance(key_or_address, str):
            # they gave us a private key or a public key already loaded.
            key = self._network.parse.address(key_or_address)
        else:
            key = key_or_address

        try:
            msg_hash = self.hash_for_signing(message) if message is not None else msg_hash
            pair, is_compressed = self.pair_for_message_hash(signature, msg_hash)
        except EncodingError:
            return False
        return self.pair_matches_key(pair, key, is_compressed)
def verify_message ( self , key_or_address , signature , message = None , msg_hash = None ) : if isinstance ( key_or_address , str ) : key = self . _network . parse . address ( key_or_address ) else : key = key_or_address try : msg_hash = self . hash_for_signing ( message ) if message is not None else msg_hash pair , is_compressed = self . pair_for_message_hash ( signature , msg_hash ) except EncodingError : return False return self . pair_matches_key ( pair , key , is_compressed )
Take a signature, encoded in Base64, and verify it against a
        key object (which implies the public key),
        or a specific base58-encoded pubkey hash.