发明名称 |
Memory control apparatus, content playback apparatus, control method and recording medium |
摘要 |
A data storage apparatus is provided that realizes a measure against deterioration of a flash memory in which integrity check data is stored. A content playback apparatus (1000) uses a hash value of playback history information as integrity check data (confirmation data) for confirming whether the playback history information has been falsified. A first address calculation unit (1004) and a second address calculation unit (1006) determine a read-in address and a storage destination address for the integrity check data, with use of the hash value. Accordingly, the storage destination addresses can be diffused, thus enabling preventing deterioration of the flash memory. |
申请公布号 |
US8418256(B2) |
申请公布日期 |
2013.04.09 |
申请号 |
US20090484627 |
申请日期 |
2009.06.15 |
申请人 |
FUTA YUICHI;HAGA TOMOYUKI;ITO TAKAYUKI;MATSUSHIMA HIDEKI;ITO YOSHIKATSU;PANASONIC CORPORATION |
发明人 |
FUTA YUICHI;HAGA TOMOYUKI;ITO TAKAYUKI;MATSUSHIMA HIDEKI;ITO YOSHIKATSU |
分类号 |
G06F12/00;G06F7/04;G06F13/00;G06F13/28;G06F17/30;H04N7/16 |
主分类号 |
G06F12/00 |
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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