| 摘要 |
<p>The present invention relates to the field of digital media copyright protection, and specifically relates to a base service system architecture by means of digital watermark technique and cryptographic technique and a method for implementing digital media copyright protection and tracking illegal copy based on the system, especially a digital watermark work with characteristics of the copyright protection and generation method thereof, which consists in, a user uses digital media on the network or storage medium authorized by the author for free, said digital media includes author information watermark and copyright information watermark. Therefore, the system architecture of digital works copyright protection is implemented by digital watermark technique and cryptographic technique, and commonality of digital media security service is implemented and provided. It protects the copyright of digital media, and can perform security services of copyright confirmation, tracing of illegal copy and source confirmation, and supports every kind of trade and application of digital media in reality.</p> |
