aes.py 文件源码

def cbc_encrypt(self, data):
        """cbc_encrypt."""
        if not isinstance(data, bytes):
            data = data.encode()

        cipher = Cipher(algorithms.AES(self.cbc_key),
                        modes.CBC(self.cbc_iv),
                        backend=default_backend())
        encryptor = cipher.encryptor()

        padded_data = encryptor.update(self.pkcs7_padding(data))

        return padded_data