| 摘要 |
PURPOSE: A data stream header object protection is provided to verify sub-objects in a header object. CONSTITUTION: A file(200) contains a header object(210). In addition to header information(215), the header object contains a file properties sub-object(220), a stream properties sub-object(230), a script command sub-object(240), and a content description sub-object(250). The content description sub-object contains information on the title(252), author(254),
|
