| 摘要 |
A controller (214) in an HD (hard disc) (20,21) serving as a data storing device causes a secure data storing part (250) to store therein a license (LIC) including a content key (KC) for decoding encrypted content data (E)(KC, DC). The license (LIC) is managed by LBA (address information) in the secure data storing part (250). An LBA in which a license (LIC) being subject to transmission/reception processing is included is stored, as a log, in a log memory (250B) in the secure data storing part (250). When any trouble occurs during transmission/reception processing, the license (LIC) that was being subjected to the transmission/reception processing is identified based on the LBA stored in the log memory (250B).
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| 申请人 |
SANYO ELECTRIC CO., LTD.;SHARP KABUSHIKI KAISHA;VICTOR COMPANY OF JAPAN, LIMITED;PIONEER CORPORATION;HITACHI, LTD.;PHOENIX TECHNOLOGIES, K.K.;FUJITSU LIMITED;HORI, YOSHIHIRO;OHNO, RYOJI;OHISHI, TAKEO;TOZAKI, AKIHIRO;TADA, KENICHIRO;HIRAI, TATSUYA;TSURU, MASAFUMI;HASEBE, TAKAYUKI |
发明人 |
HORI, YOSHIHIRO;OHNO, RYOJI;OHISHI, TAKEO;TOZAKI, AKIHIRO;TADA, KENICHIRO;HIRAI, TATSUYA;TSURU, MASAFUMI;HASEBE, TAKAYUKI |
