| 摘要 |
According to one embodiment, a content playback apparatus includes a read module which reads information that is recorded in a recording medium, a clock module which is managed such that tampering is prevented, and a control module which controls the read module and the clock module. Content information and time management information is recorded in the recording medium. The time management information includes date/time recording information indicative of a date/time at which previous playback of the content information is stopped, playback allowable period information, start date/time information of a playback allowable period and end date/time information of the playback allowable period. The control module includes a time management module which corrects the start date/time information of the playback allowable period and the end date/time information of the playback allowable period, with use of time information which is acquired from the clock module.
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