linux-kernel - Re: [PATCH 4/4] ubifs: Implement new mount option, fscrypt_key

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Date:   Thu, 14 Mar 2019 16:15:11 -0700
From:   James Bottomley <James.Bottomley@...senPartnership.com>
To:     Richard Weinberger <richard@....at>, linux-mtd@...ts.infradead.org
Cc:     linux-fscrypt@...r.kernel.org, jaegeuk@...nel.org, tytso@....edu,
        linux-unionfs@...r.kernel.org, miklos@...redi.hu,
        amir73il@...il.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org, paullawrence@...gle.com
Subject: Re: [PATCH 4/4] ubifs: Implement new mount option,
 fscrypt_key_required

On Thu, 2019-03-14 at 18:15 +0100, Richard Weinberger wrote:
> Usually fscrypt allows limited access to encrypted files even
> if no key is available.
> Encrypted filenames are shown and based on this names users
> can unlink and move files.

Shouldn't they be able to read/write and create as well (all with the
ciphertext name and contents, of course) ... otherwise how does backup
of encrypted files by admin without the key ever work?

James