Method and apparatus for digital rights management
First Claim
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1. A method for digital rights management, comprising:
- requesting a portable storage device to search for a rights object that can execute a specified content object;
selecting a rights object to be consumed by confirming information about the rights object received from the portable storage device as a result of the request; and
executing the content object by consuming the selected rights object.
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Abstract
Disclosed are a method and an apparatus for digital rights management that can make a host device effectively use rights objects stored in a portable storage device. The method includes requesting a portable storage device to search for a rights object that can execute a specified content object, selecting a rights object to be consumed by confirming information about the rights object received from the portable storage device as a result of the request, and executing the content object by consuming the selected rights object.
83 Citations
33 Claims
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1. A method for digital rights management, comprising:
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requesting a portable storage device to search for a rights object that can execute a specified content object;
selecting a rights object to be consumed by confirming information about the rights object received from the portable storage device as a result of the request; and
executing the content object by consuming the selected rights object. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for digital rights management, comprising:
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receiving a request for searching for a rights object that can execute a specified content object from a host device;
searching the rights object that can execute the content object; and
transmitting the searched rights object and information about the searched rights object to the host device. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A host device comprising:
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an interface module that connects with a portable storage device;
a control module that sends a request for a search for a rights object that can execute a specified content object to the portable storage device through the interface module; and
a content execution module that executes the content object by consuming a rights object received from the portable storage device through the interface module as a result of the request. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23)
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24. A portable storage device comprising:
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an interface module that connects with a host device;
a storage module that stores rights objects and state information of the rights objects; and
a control module that searches for a rights object, which can execute a specified content object, stored in the storage module according to a request for searching for the rights object received from the host device connected through the interface module, and that transmits the searched rights object to the host device through the interface module. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33)
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Specification