Re: Encrypted Swap

From: Andrea Arcangeli (andrea@suse.de)
Date: Tue Aug 07 2001 - 05:33:58 EST


On Tue, Aug 07, 2001 at 04:28:10AM +0200, David Spreen wrote:
> Hey there,
> I was just searching for swap-encryption-solutions in the lkml-archive.
> Did I get the point saying ther's no way to do swap encryption
> in linux right now? (Well, a swapfile in an encrypted kerneli
> partition r something like that is not really what I want to
> do I think).

cryptoloop on the blkdev or filebacked should work just fine. However it
will increase memory pressure and it increases the probability for a
deadlock (but normal 2.4 swap activities can deadlock anyways if you do
the math).

Andrea
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