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I've been struggling with this for a while. NTFS encrypted files bear that
attribute, as do encrypted files on certain other filesystems.
Virtually everything else is an internal tag.
Certain encrypted volume tools like Truecrypt studiously avoid any
indication of their purpose, so you'd be left looking at a large block of
data.
I've written a few things to perform tests of randomness of arbitrary
files, on the assumption that anything strongly encrypted is going to be
extremely random -- even more so than compressed data. It's slow going and
not generally useful, though.
- --On Tuesday, December 19, 2006 12:54 PM -0500 Craig Slusher
<cs...@gm...> wrote:
> Hello, I am a new user of the Sleuthkit and am very pleased so far
> with the results. I am curious though, are there ways to identify if a
> file is encrypted or password protected? I don't necessarily need to
> do anything other than identify that it has been encrypted. Any help
> would be greaty appreciated. Thank you!
>
> --
> Craig Slusher
> cs...@gm...
>
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Wyman Miles
Senior Security Engineer
Cornell University, Ithaca, NY
(607) 255-8421
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