发明名称 |
INFORMATION STORAGE DEVICE, INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND PROGRAM |
摘要 |
<p>There is provided a device and a method for preventing using of illegitimate content or manufacturing of the illegitimate media that uses illegitimate media. In a system that has an information storage device, a license management apparatus that generates a media key set (MKS) that is stored in the information storage device, and a content provision apparatus, at the time of manufacturing of the information storage device, the license management apparatus compares an MKS version that is set in the MKS that is stored in the information storage device, and an allowance minimum MKS version that is recorded in a controller of the information storage device, and thus records key information stored in the MKS, in a storage unit under the condition that it is confirmed that the MKS version is equal to or greater in value than the allowance minimum MKS version.</p> |
申请公布号 |
EP2804341(A1) |
申请公布日期 |
2014.11.19 |
申请号 |
EP20120865020 |
申请日期 |
2012.11.29 |
申请人 |
SONY CORPORATION |
发明人 |
HAYASHI, TAKAMICHI;KUNO, HIROSHI;YOSHIMURA, KOJI |
分类号 |
H04L9/08;G06F21/10;H04L9/10;H04L9/32;H04L29/06;H04N5/903;H04N5/91;H04N5/913;H04N7/173;H04N21/4405;H04N21/4627;H04N21/8355 |
主分类号 |
H04L9/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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