Messages in this thread |  | | Date | Mon, 10 Feb 1997 10:20:04 -0800 (PST) | Subject | Re: Encrypted "virtual" disk | From | Jeremey Barrett <> |
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> On Mon, 10 Feb 1997, Jeremey Barrett wrote [paraphraised]: > > I am interested in writing a cryptographic "virtual" disk or filesystem. > > My goals/ideas are the following: > > > > o To be able to create/mount/unmount files as encrypted disks... > > > > o Not being required to create a physical partition is critical. > > > > o The crypto-fs code would require a passphrase upon mounting. > > > > o When a file is read ... decrypts it. > > > > o Writing works much the same way, encrypting before "really" writing. > > Am I missing something, or are these supported in the loop filesystem? > Loop has various encryption built in, files are virtual filesystems... > The only thing that I don't know about is the timeout unmount -- might > have to be an addition to loop-fs if it is not already there. >
That's the way to go, the package at ftp://ftp.csua.berkeley.edu/pub/cypherpunks/filesystems/linux/ which Trevor Johnson pointed out does it exactly that way. It adds IDEA support and fixes a few things. I highly recommend it. It consists of patches to 2.0.11.
- -- =-----------------------------------------------------------------------= Jeremey Barrett VeriWeb Internet Corp. Senior Software Engineer http://www.veriweb.com/
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