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This is the BSDA Study Guide Book written via a wiki collaboration. This is a work in progress. You may contribute to or discuss this specific page at http://bsdwiki.reedmedia.net/wiki/Recognize_methods_for_verifying_the_validity_of_binaries.html. Recognize methods for verifying the validity of binaries Concept Recognize the utility of file integrity utilities such as tripwire. Recognize the built-in checks provided on some of the BSDs. Introduction Some more details on verifying the validity of a file are covered in section Verify a file's message digest fingerprint (checksum). TODO: mention mtree is available on BSDs and can be used to create specifications and can check files TODO: mention that some mtree specifications are available on some BSDs for the released files TODO: mention ways of checking against recorded package checksums (is that in another section?) Examples Practice Exercises More information mtree(8), security(7) or (8); security.conf(5); veriexecctl(8)