Encryption.py 文件源码

def generate_AES_key(self, key_size=None):
        """Generates a new AES key

        Parameters
        ----------
        key_size : int
            bits in key

        Returns
        -------
        key : str
            AES key
        """
        if key_size is None:
            key_size = self.AES_key_length
        if key_size not in [16, 24, 32]:
            raise ValueError('Bad AES key size')
        return Random.get_random_bytes(key_size)