发明名称 |
USAGE CONTROL OF DIGITAL DATA EXCHANGED BETWEEN TERMINALS OF A TELECOMMUNICATIONS NETWORK |
摘要 |
The invention refers to a method of supporting a sending user device (14) to enforcing a usage control of digital content embedded in a content object, CO, wherein a rights object, RO, associated to the CO is required for using the digital content of the CO at a receiving user device (16), the method comprising generating at the sending user device (14) a encryption information for decrypting the encrypted digital content and inserting the decryption information into the RO, and sending the RO to a rights management server (12) to be forwarded to the receiving user device (16). The invention further refers to a corresponding method of receiving at a rights management server (12) a rights object generation request to be forwarded to the receiving user device (16), and to a corresponding user device server and a corresponding server. |
申请公布号 |
EP2517431(A1) |
申请公布日期 |
2012.10.31 |
申请号 |
EP20090802144 |
申请日期 |
2009.12.23 |
申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL) |
发明人 |
CATREIN, DANIEL;HARTUNG, FRANK;CHENG, YI |
分类号 |
H04L29/06;G06F21/10;H04L29/08 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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