Digital copyright protection method and system for media network application
Title：
Digital copyright protection method and system for media network application
Application Number：
 200610062936
Application Date：
 2006/09/29
Announcement Date：
 2007/03/28
Pub. Date：
Publication Number：
 1937495
Announcement Number：
Grant Date：
Granted Pub. Date：
ApplicationType：
 Invention
State/Country：
 94[China|shenzhen]
IPC：
 H04L 9/30, G06F 21/00
Applicant(s)：
 Shenzhen Graduate Student Inst., Tsinghua Univ.
Inventor(s)：
Key Words：
 media network, digital copyright, protection, method and system
Abstract：
 The media document owner encrypts his media documents via a encrypt module on the user end, and then uploads the encrypted documents to the data server via network. The owner manages the use right of these encrypted document by himself. This system includes the authentication server connected to the Internet, the data server and several user ends. Every user end has encryption module, authorization module, decoder module and playback module. The media document owner encrypts and authorizes their documents at the user end. It decreases the load of system server, increases the encryption efficiency. It is easy to renew the algorithm and is flexible and easy to use. The user will feel more confident by possessing the power of authorization.
Claim：
Priority：
PCT：
LegalStatus：

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