Invention Grant
US08667601B2 Method and device for upgrading rights object that was stored in memory card 失效
用于升级存储在存储卡中的权限对象的方法和设备

Method and device for upgrading rights object that was stored in memory card
Abstract:
Disclosed herein relates to a digital rights management, and more particularly, to a method for upgrading digital rights and a device for providing the same. A method of allowing a terminal to upgrade a rights object installed in a memory card according to an embodiment of the present invention may include allowing the terminal to receive a trigger message comprising a rights object identifier, upgrade information, and AssetID (Asset Identifier) to contents from a Rights Issuer, transmitting an asset identifier message comprising the AssetID to the memory card, receiving a rights information message comprising rights information selected based on the AssetID from the memory card, checking whether the rights information corresponds to the rights object identifier, and generating a rights object based on the rights information to upgrade the rights object.
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