Method and apparatus for generating a license
First Claim
Patent Images
1. A method of generating a license, the method comprising:
- determining a usage bind of content based on information of the content; and
generating a license of the content for the determined usage bind.
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Abstract
A method and apparatus for protecting digital content in a digital rights management (DRM) system are provided. The method includes: determining a usage bind of content based on usage constraint information of the content; and generating a license of the content for each usage bind. According to the method and apparatus, by generating the license of the content with respect to each usage bind, the content can be protected in a variety of ways with respect to the usage bind of the content, in addition to the conventional content protection by usage constraint information.
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Citations
42 Claims
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1. A method of generating a license, the method comprising:
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determining a usage bind of content based on information of the content; and generating a license of the content for the determined usage bind. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A license generation apparatus comprising:
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a usage bind determination unit which determines a usage bind of content based on information of the content; and a license generation unit which generates a license of the content for the determined usage bind. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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19. A computer readable recording medium having embodied thereon a computer program for a method of generating a license, wherein the method comprises:
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determining a usage bind of content based on information of the content; and generating a license of the content for the determined usage bind.
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20. A method of generating a license, the method comprising:
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confirming usage constraints information of content; determining a usage bind of the content based on the usage constraints information; and determining usage rule information based on the usage bind. - View Dependent Claims (21, 22, 23)
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24. A computer-readable recording medium storing a mapping table comprising:
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a first domain which comprises a usage bind of content determined based on usage constraints information of the content; and a second domain which comprises usage control information according to the usage bind of the content. - View Dependent Claims (25, 26, 27, 28)
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29. A method of protecting content, the method comprising:
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confirming usage constraints information of the content; determining a usage bind of the content based on the usage constraints information; encrypting the content using a content key; and encrypting the content key based on the usage bind. - View Dependent Claims (30, 31, 32, 33, 34)
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35. A method of converting content, the method comprising:
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confirmation usage constraints information of the content; generating a content key of the content; encrypting the content using the content key; and generating a license of the content based on the usage constraints information. - View Dependent Claims (36, 37, 38, 39)
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40. A method of using content which can be used in any one of a plurality of domains, the method comprising:
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determining a valid term of a membership for a domain; requesting usage of the content; confirming a time that a license of the content is generated; confirming whether the time that the license is generated is within the valid term. - View Dependent Claims (41, 42)
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Specification