crypto.py 文件源码

def decrypt(self, message):
        if self._value is None:
            raise ValueError("Can't Decrypt with empty key.")

        try:
            return self._value.decrypt(
                    message,
                    padding.OAEP(
                            mgf=padding.MGF1(algorithm=hashes.SHA1()),
                            algorithm=hashes.SHA1(),
                            label=None))
        except ValueError as e:
            raise CipherError(e)