| 摘要 |
Provided are an NDM file protection method and device. The method comprises: generating, by a sending device, integrity information about an NDM file; and sending, by the sending device, the integrity information about the NDM file and the NDM file to a receiving device, so that the receiving device verifies whether the NDM file is tampered with according to the integrity information. According to the embodiments of the present invention, by sending integrity information about an NDM file to a receiving device, the receiving device can verify whether the NDM file is tampered with according to the integrity information, thereby improving the security of the NDM file. |
