摘要 |
A digital content rights management method and system belongs to the digital content rights management technique field. The method of the invention includes the steps: registering the system, generating the time stamp, verifying the time stamp when the system starts up, acquiring the certificate, verifying the time before accessing the digital content. The system of the invention comprises a device for accessing the digital content and a server, wherein the device for accessing the digital content comprises: a registering module, a time stamp generating module, a time stamp verification module, a certificate of authorization acquiring module, and a time verification module. The method and system have solved the problem that the digital content can still be used beyond the time limit. |
申请人 |
PEKING UNIVERSITY;BEIJING FOUNDER APABI TECHNOLOGY LTD;PEKING UNIVERSITY FOUNDER GROUP CO., LTD |
发明人 |
WANG, YI;TANG, ZHI;YUAN, DENGSHA;YANG, XUEFENG |