发明名称 |
STORAGE-MEDIUM PROCESSING METHOD, A STORAGE-MEDIUM PROCESSING APPARATUS, AND A STORAGE-MEDIUM PROCESSING PROGRAM |
摘要 |
Spread of a forged storage medium is prevented suppressing an authentic storage medium's damage and trouble of a owner to the minimum. When there is an update request of user key data, the update history of the user key data concerning the shown above-mentioned medium identifier IDm is referred to. When judged that the update of the user key data concerning the shown medium identifier IDm not being performed within a predetermined period, the update of user key data is performed. The request of a update is refused when judged that the update of the user key data concerning the shown medium identifier IDm being performed within a predetermined period.
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申请公布号 |
US2012137135(A1) |
申请公布日期 |
2012.05.31 |
申请号 |
US201213369348 |
申请日期 |
2012.02.09 |
申请人 |
KASAHARA AKIHIRO;MIURA AKIRA;SUU HIROSHI;KABUSHIKI KAISHA TOSHIBA |
发明人 |
KASAHARA AKIHIRO;MIURA AKIRA;SUU HIROSHI |
分类号 |
H04L9/32;G06F12/14;G06F21/00;G11B20/00;H04L9/08;H04L9/16 |
主分类号 |
H04L9/32 |
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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