Re: Can RAM render useless the encryption of the / and swap partitions?

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Can RAM render useless the encryption of the / ...
\ Liviu Andronic (4 Oct 2007)
. \ Alan McKinnon (4 Oct 2007)
. . \ Hans-Werner Hilse (4 Oct 2007)
. . . \ Volker Armin Hemmann (4 Oct 2007)
. . . . \ Liviu Andronic (4 Oct 2007)
. . . . . \ Volker Armin Hemmann (4 Oct 2007)
. . . . . . \ Liviu Andronic (4 Oct 2007)
. . . . . . \ Mick (4 Oct 2007)
. . . . \ Daniel Pielmeier (5 Oct 2007)
. . . . . \ Liviu Andronic (6 Oct 2007)
. . . . . . \ Daniel Pielmeier (6 Oct 2007)
. . . \ Alan McKinnon (4 Oct 2007)
. . . . \ Liviu Andronic (4 Oct 2007)
. . . . . \ Hans-Werner Hilse (5 Oct 2007)
. . . . . . \ Randy Barlow (5 Oct 2007)
. . . . . . \ Liviu Andronic (5 Oct 2007)
. . . . . . \ Dan Farrell (5 Oct 2007)
. . . . . \ Alex Schuster (9 Oct 2007)
. . . . . . \ Liviu Andronic (15 Oct 2007)
. . . \ Randy Barlow (4 Oct 2007)

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Subject:	Re: Can RAM render useless the encryption of the / and swap partitions?
Group:	Gentoo-user
From:	Liviu Andronic
Date:	15 Oct 2007

On 10/9/07, Alex Schuster <wonko> wrote:
> according to the speaker, most of the RAM may even survives for as long as
> 30 seconds after powering off! At least on a ThinkPad T30 notebook (stated
[..]
> Another thing is Firewire, or hot-pluggable PCI cards (and everything else
> which accesses RAM via DMA). This allows to read the RAM of the running
> system by simply plugging in a firewire device.
> So, resetting the system and booting another one, or plugging in a firewire
> device, allows to get a memory dump. Scary, huh?

On the scary note, I've recently stumbled on this paper by Peter
Gutmann, from the IBM T.J.Watson Research Center, published in 2001 at
a Usenix conference: Data Remanence in Semiconductor Devices [1]. Not
much reassuring either ~_-.

[1] http://www.usenix.org/events/sec01/gutmann.html

Liviu
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