Method for realizing management of digital copyright based on stream media broadcast

Abstract

The related digital copyright management method based on flow media technology enciphers the menu played as flow media, and the client can obtain deciphering key from server after success identification to decipher data and obtain the normal video data. This invention is benefit to provide more safe ordering service in network by the provider.

Description

technical field [0001] The invention belongs to the technical field of computer multimedia, in particular to streaming media playing technology. Background technique [0002] There are two main ways for people to obtain multimedia information from the Internet: download and play and play online. Downloading and playing is to download multimedia files to the local hard disk through HTTP protocol or FTP protocol, and then start the multimedia player to play. Since multimedia files are usually very large, ranging from a few megabytes to tens of megabytes or even hundreds of megabytes, it takes a few minutes, tens of minutes, or even hours to download completely, which often makes customers impatient . Moreover, programs with strong real-time characteristics such as live broadcasting and distance education cannot be watched in this way. The biggest disadvantage of downloading and playing is that it cannot provide digital copyright protection. After users download multimedia f...

AI Technical Summary

Problems solved by technology

[0007] Although streaming media playback can be achieved by using the above method, the security is not high. Once someone on the network can intercept the sent data and know its encoding format, it can save the acquired data and spread the saved file in other ways , in this case, the media files on the streaming media server are not safe at all, that is, the streaming media files cannot be effectively protected