| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a local storage on a reproduction device which provides possibility for adding further amendment and most recent additional contents to optical disk contents, and protects copyrights linked to a disk and additional data. <P>SOLUTION: A security framework is ensured which can protect copyrights linked to a disk and additional data by creating a virtual file system (VFS) by integrating optical disk data and local storage data on the basis of a common identifier. <P>COPYRIGHT: (C)2013,JPO&INPIT |
