A digital content packing method with claims description |
Title： |
| A digital content packing method with claims description |
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Application Number： |
200410098481 |
Application Date： |
2004/12/13 |
Announcement Date： |
2005/06/01 |
Pub. Date： |
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Publication Number： |
1622507 |
Announcement Number： |
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Grant Date： |
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Granted Pub. Date： |
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ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
H04L 9/14 |
Applicant(s)： |
Tsinghua University |
Inventor(s)： |
Zhao Li, Wu Nanshan, Yang Shiqiang |
Key Words： |
digital content, packing method, claims description |
Abstract： |
The present invention relates to one kind of digital content packaging method with authority description, and b information propagating technology. The packaging method includes: compressing the original digital content; adding digital watermark; enciphering the digital content with embedded watermark; adding operation authority description to the enciphered content; adding the authority limitation description of using digital content tool; and adding the separation description of the complete digital content. Unlike traditional digital content enciphering packaging thought, the present invention packages various authority requirement information to realize the effective protection and management of the digital content in the whole consuming value chain. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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