crypto.py 文件源码

def encrypt(self, clear_text):
        iv = os.urandom(AES_BLOCK_SIZE)
        cipher = Cipher(algorithms.AES(self.cipher_key), modes.CBC(iv), backend=default_backend())
        padder = padding.PKCS7(AES_BLOCK_SIZE * 8).padder()
        encryptor = cipher.encryptor()
        padded_data = padder.update(clear_text) + padder.finalize()

        return iv + encryptor.update(padded_data) + encryptor.finalize()