Any checksum program alone is not sufficient to guarantee file
integrity. While md5 checksumming is indeed a bit more secure than the
standard *nix sum, there are plenty of cracker kits out there that
contain tools to modify files in such a way that the md5sum remains the
same.
Tripwire improves the odds by using md5 summing and SHA hashes in
conjunction to verify file integrity. You can modify a file so one or
the other will still match the original sum, but the odds of being able
to modify and match both are astronomical.
Hope this helps.
Jeff Duffy
[EMAIL PROTECTED]
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