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Message-ID: <20171009203333.GC67463@gmail.com> Date: Mon, 9 Oct 2017 13:33:33 -0700 From: Eric Biggers <ebiggers3@...il.com> To: Theodore Ts'o <tytso@....edu>, linux-fscrypt@...r.kernel.org Cc: linux-doc@...r.kernel.org, linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-mtd@...ts.infradead.org, Eric Biggers <ebiggers@...gle.com> Subject: Re: [PATCH v3] fscrypt: add a documentation file for filesystem-level encryption On Fri, Sep 08, 2017 at 05:15:12PM -0700, Eric Biggers wrote: > From: Eric Biggers <ebiggers@...gle.com> > > 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 - Replace outdated information, such as the outdated explanation of how 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 become outdated as things get refactored over time.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 <mhalcrow@...gle.com> Ted, are you interested in taking this through the fscrypt tree for v4.15? Eric
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