linux-kernel - Re: [PATCH 0/5] eCryptfs: Filename Encryption

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Message-ID: <20081105155754.GA1759@ucw.cz>
Date:	Wed, 5 Nov 2008 16:57:54 +0100
From:	Pavel Machek <pavel@...e.cz>
To:	Michael Halcrow <mhalcrow@...ibm.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dustin Kirkland <dustin.kirkland@...il.com>,
	Eric Sandeen <sandeen@...hat.com>,
	Tyler Hicks <tchicks@...ibm.com>,
	David Kleikamp <shaggy@...ibm.com>
Subject: Re: [PATCH 0/5] eCryptfs: Filename Encryption

On Tue 2008-11-04 15:37:54, Michael Halcrow wrote:
> This patchset implements filename encryption via a passphrase-derived
> mount-wide Filename Encryption Key (FNEK) specified as a mount
> parameter. Each encrypted filename has a fixed prefix indicating that
> eCryptfs should try to decrypt the filename. When eCryptfs
> encounters

That is 'interesting'. What happens if normal filename has that
prefix? Should some out-of-band method be used to tell normal and
encrypted filenames apart?

-- 
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