| 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.
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