Method and apparatus for transferring content license
First Claim
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1. An apparatus for transferring a content license, the apparatus comprising:
- a content information transmission unit that transmits content information regarding specified content to a device that requested the content license;
a hash value reception unit that receives a hash value generated based on the transmitted content information from the device that requested the license;
a license token generation unit that generates a license token of the device that requested the license, the license token including the license and being based on the received hash value; and
a license token transmission unit that transmits the generated license token to the device that requested the license.
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Abstract
A method and apparatus for transferring a content license are provided in which a license can be transferred between devices that use content even if a connection is not made with a device providing the corresponding content. The apparatus includes a license providing device that provides a license for specified content, and a license requesting device that acquires the license for the content from a content providing device, which provides the content in accordance with the license transferred from the license providing device.
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Citations
22 Claims
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1. An apparatus for transferring a content license, the apparatus comprising:
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a content information transmission unit that transmits content information regarding specified content to a device that requested the content license; a hash value reception unit that receives a hash value generated based on the transmitted content information from the device that requested the license; a license token generation unit that generates a license token of the device that requested the license, the license token including the license and being based on the received hash value; and a license token transmission unit that transmits the generated license token to the device that requested the license. - View Dependent Claims (2, 3, 4)
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5. An apparatus for transferring a content license, the apparatus comprising:
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a content information reception unit that receives content information regarding specified content from a device having the content license; a hash value generation unit that generates a hash value based on the received content information; a hash value transmission unit that transmits the generated hash value to the device having the license; and a license token reception unit that receives a license token from the device having the license, the license token including the transmitted hash value and the license. - View Dependent Claims (6, 7, 8, 9, 10, 11)
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12. A method of transferring a content license, the method comprising:
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transmitting content information regarding specified content to a device that requested the content license; receiving a hash value generated based on the transmitted content information from the device that requested the license; generating a license token of the device that requested the license, the license token including the license and being based on the received hash value; and transmitting the generated license token to the device that requested the license. - View Dependent Claims (13, 14, 15)
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16. A method of transferring a content license, the method comprising:
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receiving content information regarding specified content from a device having the content license; generating a hash value based on the received content information; transmitting the generated hash value to the device having the license; and receiving a license token including the transmitted hash value and the license from the device having the license. - View Dependent Claims (17, 18, 19, 20, 21, 22)
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Specification