Digital content management system and apparatus
5 Assignments
0 Petitions
Accused Products
Abstract
There are provided a digital content management apparatus which further embodies a digital content management apparatus used with a user terminal, and a system which protects the secrets of a digital content. The system and the apparatus are a real time operating system using a micro-kernel, which is incorporated in the digital content management apparatus as an interruption process having high priority. When a user uses the digital content, whether there is an illegitimate usage or not, is watched by interrupting the usage process. In the case where illegitimate usage is carried out, a warning is given or the usage is stopped. The decryption/re-encryption functions of the digital content management apparatus having the decryption/re-encryption functions are not restricted to the inside of the user apparatus. By providing the decryption/re-encryption functions between the networks, the exchange of secret information between different networks is secured. By using this apparatus for converting a crypt algorithm, information exchange is made possible between systems which adopt different algorithms.
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Citations
85 Claims
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1-53. -53. (canceled)
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54. A method, comprising:
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watching illegitimate usage of digital content via a watch program incorporated into an operating system; and
interrupting usage of the digital content via said watch program with a high interruption priority if the digital content is being illegitimately edited, stored, copied and/or uploaded. - View Dependent Claims (55, 56, 57, 58, 59, 60, 61)
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62. An article comprising:
- a storage medium having stored thereon instructions, that, if executed, result in;
watching illegitimate usage of digital content via a watch program incorporated into an operating system; and
interrupting usage of the digital content via said watch program with a high interruption priority if the digital content is being illegitimately edited, stored, copied and/or uploaded. - View Dependent Claims (63, 64, 65, 66, 67, 68, 69)
- a storage medium having stored thereon instructions, that, if executed, result in;
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70. An apparatus, comprising:
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means for watching illegitimate usage of digital content via a watch program incorporated into an operating system; and
means for interrupting usage of the digital content via said watch program with a high interruption priority if the digital content is being illegitimately edited, stored, copied and/or uploaded. - View Dependent Claims (71, 72, 73, 74, 75, 76, 77)
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78. A system, comprising:
a server capable of watching illegitimate usage of digital content via a watch program incorporated into an operating system, and capable of interrupting usage of the digital content via said watch program with a high interruption priority if the digital content is being illegitimately edited, stored, copied and/or uploaded. - View Dependent Claims (79, 80, 81, 82, 83, 84, 85)
Specification