From: Pavel Machek <pavel@suse.cz>
To: Andrea Arcangeli <andrea@novell.com>
Cc: Stefan Seyfried <seife@suse.de>,
Bernd Eckenfels <ecki-news2004-05@lina.inka.de>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Chris Wright <chrisw@osdl.org>, Jeff Garzik <jgarzik@pobox.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>,
Nigel Cunningham <ncunningham@linuxmail.org>
Subject: Re: mlock(1)
Date: Thu, 30 Sep 2004 15:04:19 +0200 [thread overview]
Message-ID: <20040930130418.GI2692@openzaurus.ucw.cz> (raw)
In-Reply-To: <20040927150702.GI28865@dualathlon.random>
Hi!
> > That's fine for the never-enter-a-password case, but for the
> > suspend-case, it's not so good since i want to close the lid and pack
> > away the notebook. Two scenarios, two implementations.
>
> Your "close-lid with suspend-to-disk" without ever asking password in
> suspend is fundamentally unfixable, unless you use public key
> encryption, but for it to be secure you've to store in your brain and
> type >128 chars at every resume...
?? You can store private key on harddrive and encrypt it by
symmetric crypto. No need for that huge passphrases.
> But it's not secure anyways without encryption since the memory freed by
> mozilla where the credit card was, could be dumped into the swap space
> if it was only partially reused as slab etc.. I mean, even normal
> swapping is insecure on a laptop, but suspend make it worse.
I believe this should be fixed, first. Then we can work on suspend/resume...
Pavel
--
64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms
next prev parent reply other threads:[~2004-09-30 14:06 UTC|newest]
Thread overview: 71+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-24 19:57 mlock(1) Jeff Garzik
2004-09-24 20:15 ` mlock(1) Neil Horman
2004-09-24 20:21 ` mlock(1) Neil Horman
2004-09-24 20:31 ` mlock(1) Lee Revell
2004-09-24 20:33 ` mlock(1) Jeff Garzik
2004-09-24 20:39 ` mlock(1) Lee Revell
2004-09-24 20:22 ` mlock(1) Chris Wright
2004-09-24 20:41 ` mlock(1) Chris Friesen
2004-09-24 20:46 ` mlock(1) Chris Wright
2004-09-24 20:54 ` mlock(1) Chris Friesen
2004-09-24 20:59 ` mlock(1) Chris Wright
2004-09-24 22:48 ` mlock(1) Ryan Cumming
2004-09-24 21:07 ` mlock(1) Alan Cox
2004-09-24 22:19 ` mlock(1) Chris Wright
2004-09-24 22:30 ` mlock(1) Jeff Garzik
2004-09-24 23:08 ` mlock(1) Chris Wright
2004-09-24 22:59 ` mlock(1) Andrea Arcangeli
2004-09-24 23:46 ` mlock(1) Nigel Cunningham
2004-09-25 1:07 ` mlock(1) Andrea Arcangeli
2004-09-25 1:21 ` mlock(1) David Lang
2004-09-25 1:30 ` mlock(1) Andrea Arcangeli
2004-09-25 1:46 ` mlock(1) Valdis.Kletnieks
2004-09-25 2:15 ` mlock(1) Andrea Arcangeli
2004-09-25 2:46 ` mlock(1) Valdis.Kletnieks
2004-09-25 2:58 ` mlock(1) Andrea Arcangeli
2004-09-25 3:29 ` mlock(1) Valdis.Kletnieks
2004-09-25 4:07 ` mlock(1) Andrea Arcangeli
2004-09-25 4:52 ` mlock(1) Valdis.Kletnieks
2004-09-25 17:15 ` mlock(1) Andy Lutomirski
2004-09-25 2:33 ` mlock(1) Bernd Eckenfels
2004-09-25 1:27 ` mlock(1) Andrea Arcangeli
2004-09-28 22:03 ` mlock(1) Robert White
2004-09-28 22:15 ` mlock(1) Andrea Arcangeli
2004-09-28 23:26 ` mlock(1) Robert White
2004-09-29 1:16 ` mlock(1) Jon Masters
2004-09-29 1:23 ` mlock(1) Alan Cox
2004-09-29 3:46 ` mlock(1) Robert White
2004-09-29 12:34 ` mlock(1) Jon Masters
2004-09-29 15:57 ` mlock(1) Lee Revell
2004-09-29 22:56 ` mlock(1) Paul Jackson
2004-09-25 12:21 ` mlock(1) Nigel Cunningham
2004-09-25 14:53 ` mlock(1) Andrea Arcangeli
2004-09-28 8:48 ` mlock(1) Pavel Machek
2004-09-30 17:42 ` mlock(1) Andrea Arcangeli
2004-09-30 18:54 ` mlock(1) Pavel Machek
2004-09-30 19:17 ` mlock(1) Andrea Arcangeli
2004-09-30 19:52 ` mlock(1) Pavel Machek
2004-10-04 12:21 ` mlock(1) Jack Lloyd
2004-09-24 23:59 ` mlock(1) Bernd Eckenfels
2004-09-25 0:25 ` mlock(1) Nigel Cunningham
2004-09-25 1:18 ` mlock(1) Andrea Arcangeli
2004-09-27 6:16 ` mlock(1) Stefan Seyfried
2004-09-27 10:32 ` mlock(1) Nigel Cunningham
2004-09-27 14:29 ` mlock(1) Andrea Arcangeli
2004-09-27 20:32 ` mlock(1) Wolfgang Walter
2004-09-27 14:16 ` mlock(1) Andrea Arcangeli
2004-09-27 13:31 ` mlock(1) Alan Cox
2004-09-29 1:48 ` mlock(1) Andrea Arcangeli
2004-09-27 14:34 ` mlock(1) Stefan Seyfried
2004-09-27 15:07 ` mlock(1) Andrea Arcangeli
2004-09-27 15:25 ` mlock(1) Stefan Seyfried
2004-09-27 15:38 ` mlock(1) Andrea Arcangeli
2004-09-30 13:04 ` Pavel Machek [this message]
2004-09-27 22:22 ` mlock(1) Nigel Cunningham
2004-09-27 22:43 ` mlock(1) Andrea Arcangeli
2004-09-28 22:03 ` mlock(1) Nigel Cunningham
2004-09-24 20:24 ` mlock(1) Chris Friesen
2004-09-24 21:17 ` mlock(1) Andrew Morton
2004-09-25 0:26 ` mlock(1) Chris Wright
2004-09-25 1:28 ` mlock(1) Andrew Morton
2004-09-25 1:33 ` mlock(1) Chris Wright
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