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From: "Bill Rugolsky Jr." <rugolsky@ead.dsa.com>
To: Justin Guyett <justin@soze.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: encrypted swap
Date: Tue, 7 Aug 2001 16:17:23 -0400	[thread overview]
Message-ID: <20010807161723.A14270@ead45> (raw)
In-Reply-To: <D52B19A7284D32459CF20D579C4B0C0211C9A8@mail0.myrio.com> <Pine.LNX.4.33.0108071223100.17919-100000@kobayashi.soze.net>
In-Reply-To: <Pine.LNX.4.33.0108071223100.17919-100000@kobayashi.soze.net>; from justin@soze.net on Tue, Aug 07, 2001 at 12:48:34PM -0700

On Tue, Aug 07, 2001 at 12:48:34PM -0700, Justin Guyett wrote:
> As someone just pointed out, if the laptop's suspended, the password for
> encrypted swap pretty much has to be in ram, unless you're going to add
> hooks in resume such that before anything even starts running again
> (possible?) it prompts for the decryption password.  Otherwise, you can't
> block swap access, and if the data's encrypted, seems like that will crash
> the machine.

Well, one can suspend the machine with swsusp, and supply a passphrase
as a kernel boot option.  It is essential to overwrite all copies of that string,
of course. :-)

Regards,

  Bill Rugolsky

  parent reply	other threads:[~2001-08-07 20:17 UTC|newest]

Thread overview: 104+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-07 18:53 encrypted swap Torrey Hoffman
2001-08-07 19:15 ` Thomas Pornin
2001-08-07 19:23 ` Dan Podeanu
2001-08-07 19:48   ` Andreas Dilger
2001-08-07 20:04   ` Marty Poulin
2001-08-07 21:06   ` David Wagner
2001-08-07 21:56     ` D. Stimits
2001-08-07 21:44   ` Pavel Machek
2001-08-07 19:48 ` Justin Guyett
2001-08-07 20:05   ` Alan Cox
2001-08-07 20:17   ` Bill Rugolsky Jr. [this message]
     [not found] <fa.kmbqblv.v3uvig@ifi.uio.no>
2001-08-18 14:53 ` Encrypted Swap Ted Unangst
2001-08-18 15:17   ` Mr. James W. Laferriere
2001-08-20 11:03   ` Helge Hafting
  -- strict thread matches above, loose matches on Subject: below --
2001-08-17 17:10 David Christensen
2001-08-17 17:21 ` Richard B. Johnson
2001-08-17 18:41   ` Eric W. Biederman
2001-08-17 19:05     ` Dan Hollis
2001-08-18  9:52       ` Eric W. Biederman
2001-08-18 10:24         ` Nicholas Knight
2001-08-18 12:32           ` Eric W. Biederman
2001-08-17 19:20     ` Richard B. Johnson
2001-08-18 10:34       ` Eric W. Biederman
2001-08-07 21:40 encrypted swap David Spreen
2001-08-07 17:30 Encrypted Swap David Maynor
2001-08-07 17:27 ` Rik van Riel
2001-08-07 15:28 encrypted swap David Maynor
2001-08-07 15:51 ` Florian Weimer
2001-08-07 15:06 David Maynor
2001-08-07 15:11 ` Florian Weimer
2001-08-07 15:43   ` Joel Jaeggli
2001-08-07 15:30 ` Garett Spencley
2001-08-07 16:21 ` David Spreen
2001-08-08  8:11 ` Helge Hafting
2001-08-07 14:37 David Maynor
2001-08-07 14:48 ` Billy Harvey
2001-08-07 16:03 ` Chris Wedgwood
     [not found] <no.id>
2001-08-07 14:17 ` Encrypted Swap Alan Cox
2001-08-07 15:16   ` Crutcher Dunnavant
2001-08-07 16:01     ` Chris Wedgwood
2001-08-07  2:28 David Spreen
2001-08-07  3:56 ` Justin Guyett
2001-08-07  4:01   ` Chris Wedgwood
2001-08-07  4:23   ` John Polyakov
2001-08-07  4:36     ` Chris Wedgwood
2001-08-07  5:12     ` Garett Spencley
2001-08-07  5:55       ` Ryan Mack
2001-08-07 12:37         ` Michael Bacarella
2001-08-17 14:50         ` Holger Lubitz
2001-08-17 15:39           ` Richard B. Johnson
2001-08-17 15:57             ` Holger Lubitz
2001-08-17 16:34               ` Gerhard Mack
2001-08-17 16:50               ` Richard B. Johnson
2001-08-17 17:06             ` Adrian Cox
2001-08-17 17:16               ` Richard B. Johnson
2001-08-17 17:22                 ` Jacob Alifrangis
2001-08-17 17:36                 ` Adrian Cox
2001-08-17 18:51                   ` Nicholas Knight
2001-08-17 19:30                     ` Richard B. Johnson
2001-08-18  8:51                       ` Adrian Cox
2001-08-18 11:02                         ` Eric W. Biederman
2001-08-19  8:51                           ` Adrian Cox
2001-08-20  1:27                         ` Richard B. Johnson
2001-08-20 11:08                           ` Helge Hafting
2001-08-20 11:50                           ` Ian Stirling
2001-08-21 13:55                       ` Andreas Bombe
2001-08-17 20:00                     ` Andreas Dilger
2001-08-07  6:27       ` John Polyakov
2001-08-06 23:28         ` Rob Landley
2001-08-07 10:10           ` Christopher E. Brown
2001-08-07 14:05             ` Joel Jaeggli
2001-08-07  6:41         ` Crutcher Dunnavant
2001-08-07  6:45         ` Ryan Mack
2001-08-07  6:57         ` Evgeny Polyakov
2001-08-07  7:08         ` Evgeny Polyakov
2001-08-07  7:23           ` Sean Hunter
2001-08-07  8:39             ` Ben Ford
2001-08-07 12:28             ` Kevin Krieser
2001-08-07 12:39               ` Richard B. Johnson
2001-08-07 14:21               ` Ignacio Vazquez-Abrams
2001-08-07  7:26           ` Ryan Mack
2001-08-07  7:34           ` Jeffrey Considine
2001-08-07  7:49           ` Crutcher Dunnavant
2001-08-07  9:01           ` Peter Wächtler
2001-08-07 20:09       ` Maciej Zenczykowski
2001-08-07 20:30   ` Ian Stirling
2001-08-07  4:12 ` Steve VanDevender
2001-08-07  7:34   ` Steve VanDevender
2001-08-07  7:55     ` Crutcher Dunnavant
2001-08-07 15:17     ` Garett Spencley
2001-08-07  7:49   ` Helge Hafting
2001-08-07  7:58     ` Crutcher Dunnavant
2001-08-07  9:23       ` Helge Hafting
2001-08-07 13:29         ` Wichert Akkerman
2001-08-07 15:56         ` Chris Wedgwood
2001-08-07 16:54           ` Alan Cox
2001-08-07 17:10             ` Chris Wedgwood
2001-08-07  9:52   ` Brian May
2001-08-07 14:48     ` Joel Jaeggli
2001-08-07 15:59       ` Chris Wedgwood
2001-08-07 16:18         ` Joel Jaeggli
2001-08-07 16:24           ` Florian Weimer
2001-08-08  2:13     ` Dr. Kelsey Hudson
2001-08-07 10:33 ` Andrea Arcangeli

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