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From: phillip@lougher.demon.co.uk
To: "David Woodhouse" <dwmw2@infradead.org>
Cc: joern@wohnheim.fh-wedel.de, kbiswas@neoscale.com,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: partially encrypted filesystem
Date: Mon, 08 Dec 2003 13:49:57 +0000	[thread overview]
Message-ID: <E1ATLlt-000366-0Y@anchor-post-34.mail.demon.net> (raw)
In-Reply-To: <1070882901.31993.72.camel@hades.cambridge.redhat.com>

dwmw2@infradead.org wrote:
> On Thu, 2003-12-04 at 18:20 +0000, Phillip Lougher wrote:
> > Considering that Jffs2 is the only writeable compressed filesystem, yes. 
> >   What should be borne in mind is compressed filesystems never expect 
> > the data after compression to be bigger than the original data.
> 
> In fact that assumption is fairly trivial to remove, if you can put an
> upper bound on the growth. Adding encryption of data to JFFS2 would
> actually be fairly trivial; encryption of metadata would be harder. 
> 

I was pointing out it had to be considered.  Modesty prevented me from mentioning that adding encryption of both data and metadata to Squashfs would be very easy :-)

Phillip



  reply	other threads:[~2003-12-08 13:50 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-03 21:07 Kallol Biswas
2003-12-03 21:44 ` Richard B. Johnson
2003-12-03 23:20   ` bill davidsen
2003-12-03 21:44 ` Jörn Engel
2003-12-04  0:08   ` Linus Torvalds
2003-12-04  1:25     ` Jeff Garzik
2003-12-04  2:08       ` Linus Torvalds
2003-12-04  3:59       ` H. Peter Anvin
2003-12-04  2:37     ` Charles Manning
2003-12-04 14:17     ` Jörn Engel
2003-12-04 15:20       ` Linus Torvalds
2003-12-04 16:07         ` Phillip Lougher
2003-12-04 17:26         ` Jörn Engel
2003-12-04 18:20           ` Phillip Lougher
2003-12-04 18:40             ` Jörn Engel
2003-12-04 19:41             ` Erez Zadok
2003-12-05 11:20               ` Jörn Engel
2003-12-05 16:16                 ` Erez Zadok
2003-12-05 19:14                   ` Matthew Wilcox
2003-12-05 19:47                     ` Erez Zadok
2003-12-05 20:28                       ` Matthew Wilcox
2003-12-05 21:38                         ` Pat LaVarre
2003-12-06  0:15                         ` Maciej Zenczykowski
2003-12-06  1:35                           ` Pat LaVarre
2003-12-06  2:39                             ` Valdis.Kletnieks
2003-12-06 11:43                             ` Maciej Zenczykowski
2003-12-07  0:04                               ` Shaya Potter
2003-12-08 14:08                               ` Jörn Engel
2003-12-06  0:50                         ` Phillip Lougher
2003-12-08 11:37                           ` David Woodhouse
2003-12-08 13:44                             ` phillip
2003-12-08 14:07                               ` David Woodhouse
2003-12-10  1:16                               ` [OT?]Re: " Charles Manning
2003-12-10 17:45                                 ` Phillip Lougher
2003-12-09 23:40                             ` Pat LaVarre
2003-12-10  0:07                             ` Pavel Machek
2003-12-10  1:28                               ` Pat LaVarre
2003-12-10  2:13                               ` Charles Manning
2003-12-05 19:58                     ` Pat LaVarre
2003-12-08 11:28             ` David Woodhouse
2003-12-08 13:49               ` phillip [this message]
2003-12-04 19:18           ` David Wagner
2003-12-05 13:02             ` Jörn Engel
2003-12-05 17:28               ` Frank v Waveren
2003-12-05 23:59               ` David Wagner
2003-12-19 15:01     ` Rik van Riel
2003-12-04  3:10 ` Valdis.Kletnieks
2003-12-04 18:16 ` Hans Reiser
2003-12-06 19:56 Pat LaVarre
2003-12-06 22:07 ` Maciej Zenczykowski
2003-12-10  3:22 Valient Gough

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