keystore.py 文件源码

def __load(self, file_name):
        # type: (str) -> RSAPrivateKey
        file_path = os.path.join(self.key_store_path, file_name)
        with(open(file_path, 'r')) as f:
            return serialization.load_pem_private_key(
                f.read().encode('utf-8'),
                password=self.__key_store_passphrase,
                backend=default_backend())