Re: Encrypted filesystem

Niels Provos (
Fri, 31 Jan 1997 19:21:57 +0100 (NFT)

On Fri, 31 Jan 1997, Stephan Meyer wrote:
> And I've been thinking about hacking a plain simple (but secure) version
> of an IDEA protected filesystem. Am I right that it would be sufficient to
> add a module on top of the loop filesystem and just under ext2fs? That
> way, one could have the encrypted filesystem in a huge file and mount it
> as a loop-device using the key.
There is already a patch with steganography, idea and des support for the
loopback device done by Ian Goldberg. I have a patch against 2.1.22 on my
web page. AFAIK those patches sadly never made it into the main stream
kernel. As I understand it is allowed to import cryptography to USA and
since the main kernel distribution site is in Finnland that shouldnt be a
problem. You can get the patches for 2.1.22 from:

Niels Provos

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Niels Provos
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