I found a bunch.

http://www.freshmeat.net/search.php3?query=cfs


It seems like on Thu, Feb 24, 2000 at 05:54:39PM -0700, Mike Sheldon scribbled:
Orig Msg> If you believe you have a security risk involving physical access, then you
Orig Msg> need to encrypt your files. There are even products that will create virtual
Orig Msg> drives that are encrypted blocks on the hard disk (PGP Disk). Unfortunately,
Orig Msg> I'm not aware of any for Linux. Anyone here know of one?
Orig Msg> 

Jean Francois Sends...
President & CEO MagusNet, Inc.
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CTO EBIZ Enterprises, Inc.
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