crypto.py 文件源码

def encrypt(self, cleartext: bytes):
        # No need for padding as we are using GCM
        # Get a new iv for GCM
        iv = urandom(int(AES.block_size // 8))
        cipher = Cipher(self._hazmat_key, GCM(iv), backend=openssl)
        encryptor = cipher.encryptor()
        enc = encryptor.update(cleartext) + encryptor.finalize()
        return iv + enc + encryptor.tag