linux-ext4 - Re: [RFD] Common userspace tool for fscypto

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Message-ID: <CA+POJK10M3_GhP_Ge4qkQF4gSNMUXVr5kem9Ak4EDmVRvRUg7g@mail.gmail.com>
Date:   Wed, 19 Oct 2016 10:36:00 -0700
From:   Michael Halcrow <mhalcrow@...gle.com>
To:     Richard Weinberger <richard@....at>
Cc:     linux-fsdevel <linux-fsdevel@...r.kernel.org>, kzak@...hat.com,
        "Theodore Ts'o" <tytso@....edu>, Jaegeuk Kim <jaegeuk@...nel.org>,
        Eric Biggers <ebiggers@...gle.com>,
        David Gstir <david@...ma-star.at>,
        Ext4 Developers List <linux-ext4@...r.kernel.org>,
        linux-f2fs-devel@...ts.sourceforge.net,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFD] Common userspace tool for fscypto

On Wed, Oct 19, 2016 at 4:35 AM, Richard Weinberger <richard@....at> wrote:
> Hi!
>
> Since file level encryption has more than one user, currently ext4, f2fs and soon ubifs
> it would be nice to have a single tool to control fscrypto from userspace.
>
> For ext4 we have already at least two tools, one as part of e2fsprogs and another
> one on github[0]. IMHO the latter one is much more user friendly and intuitive to use.
> I as unable to find the userspace tool for f2fs.
>
> That said, what about implementing such a tool as part of util-linux to control
> fscrypto? We (David and I) would volunteer.

While discussing several changes we have staged for release (we're
trying to minimize churn by batching a large set of format changes all
at once), we've recently recognized this need on my team and were
planning on starting work on exactly what you propose.

> Thanks,
> //richard
>
> [0] https://github.com/gdelugre/ext4-crypt
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