oramfs - ORAM filesystem written in Rust
tbiehn at gmail.com
Mon Jul 5 12:17:41 PDT 2021
On Mon, Jul 5, 2021 at 2:04 PM Karl Semich <0xloem at gmail.com> wrote:
> I'm afraid I can't give a good answer because of my "locks" situation, but obviously we are enswathed with multi-user disk situations, for real.
If I asked 'what do you have to hide?' then I think your spidey sense
should tingle :) That's not the case.
ORAM is a technique that you can apply to a system, an encrypted
filesystem ideally incorporates the requisite design and mix of
primitives in order to achieve effective operational security, with
that meets operational impact objectives.
I'm wondering why I would take on the operational costs (to my
mission, say, 'taking over the moon', and cost, for example, of
decreased bandwidth and increased latency) of a filesystem that uses
ORAM, rather than conventional encrypted filesystems.
As another example, a 'hidden volume' is a feature that an encrypted
filesystem can have, I can explain that a hidden volume exists to
counter a rubber hose attack. If someone asked why a hidden volume is
useful there's no problem in asking or answering the question. The
attack isn't obvious to everyone and consequently the benefit of
suffering the operational burden of solving the problem (e.g. using
hidden volumes with plausible contents) can't be understood until
So maybe with this framing in mind; what attacks does the use of
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