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From: Krzysztof Halasa <khc@pm.waw.pl>
To: <linux-kernel@vger.kernel.org>
Subject: Re: Where is ext2/3 secure delete ("s") attribute?
Date: 22 Nov 2002 22:31:06 +0100	[thread overview]
Message-ID: <m3n0o1gulh.fsf@defiant.pm.waw.pl> (raw)
In-Reply-To: <200211220122.gAM1MQY305783@saturn.cs.uml.edu>

"Albert D. Cahalan" <acahalan@cs.uml.edu> writes:

> Forget the shred program. It's less useful than having the
> filesystem simply zero the blocks, because it's slow and you
> can't be sure to hit the OS-visible blocks. Aside from encryption,
> the useful options are:
> 
> 1. plain old rm  (protect from users)
> 2. filesystem clears the blocks  (protect from root/kernel)

It won't protect you from the root. If you need protection from root,
be a root on your own machine. And be sure your unencrypted data, keys
etc. never make it to/through any hostile system.
-- 
Krzysztof Halasa
Network Administrator

  parent reply	other threads:[~2002-11-23 15:54 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-11-22  1:22 Albert D. Cahalan
2002-11-22  1:30 ` Jeff Garzik
2002-11-22  2:41   ` Albert D. Cahalan
2002-11-22  4:39     ` Jeff Garzik
2002-11-22  5:55       ` Albert D. Cahalan
2002-11-22  7:12   ` Ingo Oeser
2002-11-22 13:38   ` Alan Cox
2002-11-22 13:27     ` Nikita Danilov
2002-11-22  2:06 ` Mike Dresser
2002-11-22 14:13 ` Jesse Pollard
2002-11-22 21:31 ` Krzysztof Halasa [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-11-24  6:40 Albert D. Cahalan
2002-11-21 18:20 Marc-Christian Petersen
2002-11-21 22:43 ` Harald Arnesen
2002-11-21 17:52 Kent Borg
2002-11-21 18:24 ` Jeff Garzik
2002-11-21 18:39   ` Kent Borg
2002-11-21 19:20     ` Alan Cox
2002-11-21 19:05       ` Kent Borg
2002-11-21 19:14         ` Jeff Garzik
2002-11-21 20:28         ` Alan Cox

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