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SubjectRe: partially encrypted filesystem
On Wed, 3 December 2003 13:07:56 -0800, Kallol Biswas wrote:
>
> Hello,
> We have a requirement that a filesystem has to support
> encryption based on some policy. The filesystem also should be able
> to store data in non-encrypted form. A search on web shows a few
> encrypted filesystems like "Crypto" from Suse Linux, but we need a
> system where encryption will be a choice per file. We have a hardware
> controller to apply encryption algorithm. If a filesystem provides hooks
> to use a hardware controller to do the encryption work then the cpu can
> be freed from doing the extra work.
>
> Any comment on this?

Haven't heard about anything working yet, but it shouldn't be too hard
to change something existing. For jffs2, I would guesstimate one or
two month to add the necessary bits, but jffs2 is not first choice as
a hard drive filesystem. Not sure about other filesystems.

Jörn

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Glück macht nicht satt.
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