| 摘要 |
In one embodiment, the methods and apparatuses detect a file and a page corresponding to the file; detect a first saved check file value associated with the file and a second saved check file value associated with the page; calculate a first derived check file value from the file; compare the first saved check file value with the first derived check value; and verify an integrity of the file based on a match between the first saved check file value and the first derived check value.
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