On Fri, Sep 08, 2017 at 05:15:12PM -0700, Eric Biggers wrote:
> From: Eric Biggers <[email protected]>
>
> Perhaps long overdue, add a documentation file for filesystem-level
> encryption, a.k.a. fscrypt or fs/crypto/, to the Documentation
> directory. The new file is based loosely on the latest version of the
> "EXT4 Encryption Design Document (public version)" Google Doc, but with
> many improvements made, including:
>
> - Reflect the reality that it is not specific to ext4 anymore.
> - More thoroughly document the design and user-visible API/behavior.
> - Replace outdated information, such as the outdated explanation of how
> encrypted filenames are hashed for indexed directories and how
> encrypted filenames are presented to userspace without the key.
> (This was changed just before release.)
>
> For now the focus is on the design and user-visible API/behavior, not on
> how to add encryption support to a filesystem --- since the internal API
> is still pretty messy and any standalone documentation for it would
> become outdated as things get refactored over time.
>
> Reviewed-by: Michael Halcrow <[email protected]>
> Signed-off-by: Eric Biggers <[email protected]>
Applied, thanks.
- Ted
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