| 摘要 |
A method for transmitting a multimedia content file encrypted with a multimedia content key to a rendering device, the rendering device further including a private license key, I is disclosed. The method includes configuring a license server with a set of rights associated with the multimedia content file and with a rendering device user. The method also includes requesting that a requested right for the multimedia content file be exercised on the rendering device. The method further includes, if the requested right is included in the set of rights, encrypting the content key with a public license key, wherein the private license key is configured to decrypt the content key. The method also includes transmitting the content key to the rendering device; transmitting the multimedia content file; decrypting the multimedia content file; and rendering the multimedia content file.
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