发明名称 |
Data processing system, memory device, data processing unit, and data processing method and program |
摘要 |
To provide an improved management structure of memory devices storing service-use applications. A card for a memory device applied to use various services is provided as one child card or more corresponding to each of the services, a parent card-stores data for child-card issue management, and the child-card issue processing is executed based on the parent card, such as parent card authentication. An issue certificate having a parent-card digital signature is stored in the child card, the issue certificate contains a service code and a child-card identification, and thus it becomes possible to confirm a service set in the child card based on the issue certificate as the parent-card signature data.
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申请公布号 |
US7409554(B2) |
申请公布日期 |
2008.08.05 |
申请号 |
US20030311766 |
申请日期 |
2003.05.21 |
申请人 |
SONY CORPORATION |
发明人 |
ISHIBASHI YOSHIHITO;KUSAKABE SUSUMU;WATANABE HIDEAKI |
分类号 |
B42D15/10;H04L9/00;G06F12/14;G06F21/24;G06F21/62;G06K17/00;G06Q50/00;G06Q50/10;G06Q50/26;G07F7/10;G09C1/00;H04L9/32 |
主分类号 |
B42D15/10 |
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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