Re: Idea: Encryption plugin architecture for file-systems

[Dan Hollis]

On Sat, 21 Apr 2001, Andi Kleen wrote:
> On Sat, Apr 21, 2001 at 09:21:44PM +0200, Peter Makholm wrote:
> > [e-mail] ("Tamas Nagy") writes:
> > > Idea:
> > > extend the current file-system with an optional plug-in system, which allows
> > > for file-system level encryption instead of file-level.
> > That's is one of the things the loop device offers. For better
> > encryption than XOR you need the patches from kerneli.org.
> No, you don't. The standard kernel loop device supports loading of external
> crypto filters just fine; no patching at all required.

But it is a definite performance killer. A direct plugin to filesystems
would be far more efficient.

-Dan