Information terminal and content storage/playback method
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United States of America Patent
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Mar 17, 2009
Grant Date -
Jun 15, 2006
app pub date -
Mar 24, 2005
filing date -
Dec 10, 2004
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An information terminal according to this invention includes a storage means having a first storage area which is accessible from an external terminal, and a second storage area which is inaccessible from the external terminal. Content which includes a content body and rights information indicating a use condition given to the content body is acquired. The acquired content is encrypted and the encrypted content is stored in the first storage area. In addition, state management information used to manage the variable state of the use condition given to the content body is generated on the basis of the rights information included in the acquired content, and the generated state management information is stored in the second storage area.
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