File Integrity Checkers: State of the Art and Best Practices
نویسندگان
چکیده
Assuring that system files have not been tampered with over time is a vital, but oftoverlooked, aspect of system security. File integrity checkers provide ways to assure the validity of files on a system. This paper concerns itself with a review of file integrity checkers. It pays particular attention to what the minimum requirements for an integrity checker are, the different approaches taken to integrity checking, the strengths and weaknesses of each approach, major divisions in checker design, innovative or unusual features of certain checkers, and appropriate situations under which each type of checker should be used. The design of an integrity checker which combines the best features of various checkers is described and discussed.
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