文章针对数字视频分发模型提出一种版权保护协议。该协议综合利用了密码技术和数字水印技术.保证了数字视频的合法性,视频内容传递过程的保密性,并且防止了数字视频内容的非法拷贝和传播行为。
We propose a copyright protection protocol for a distribution model of digital videos in the paper. The protocol which makes use of the technologies of cipher and watermark, insures the legality of video contents and transferring secrecy of video contents, prevents unauthorized copies and distribution of video contents.