From: Theodore Tso <tytso@mit.edu>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Gunter Ohrner <G.Ohrner@post.rwth-aachen.de>,
linux-kernel@vger.kernel.org
Subject: Re: Entropy Pool Contents
Date: Thu, 23 Nov 2006 19:48:55 -0500 [thread overview]
Message-ID: <20061124004855.GA10937@thunk.org> (raw)
In-Reply-To: <Pine.LNX.4.61.0611230107240.26845@yvahk01.tjqt.qr>
On Thu, Nov 23, 2006 at 01:10:08AM +0100, Jan Engelhardt wrote:
> Disk activities are "somewhat predictable", like network traffic, and
> hence are not (or should not - have not checked it) contribute to the
> pool. Note that urandom is the device which _always_ gives you data, and
> when the pool is exhausted, returns pseudorandom data.
Plesae read the following article before making such assertions:
D. Davis, R. Ihaka, P.R. Fenstermacher, "Cryptographic
Randomness from Air Turbulence in Disk Drives", in Advances in
Cryptology -- CRYPTO '94 Conference Proceedings, edited by Yvo
G. Desmedt, pp.114--120. Lecture Notes in Computer Science
#839. Heidelberg: Springer-Verlag, 1994.
http://world.std.com/~dtd/random/forward.ps
Regards,
- Ted
next prev parent reply other threads:[~2006-11-24 0:48 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-22 23:54 Entropy Pool Contents Gunter Ohrner
2006-11-22 23:59 ` Gunter Ohrner
2006-11-23 0:10 ` Jan Engelhardt
2006-11-23 21:40 ` Gunter Ohrner
2006-11-27 16:16 ` Phillip Susi
2006-11-27 16:19 ` Chris Friesen
2006-11-27 18:54 ` Phillip Susi
2006-11-27 19:33 ` David Wagner
2006-11-27 20:38 ` Phillip Susi
2006-11-27 20:40 ` David Wagner
2006-11-27 21:52 ` Kyle Moffett
2006-11-28 4:17 ` David Wagner
2006-11-28 5:19 ` Ben Pfaff
2006-11-28 12:13 ` Henrique de Moraes Holschuh
2006-11-28 12:58 ` David Wagner
2006-11-28 13:32 ` Eran Tromer
2006-11-28 13:15 ` Martin Mares
2006-11-28 17:22 ` Phillip Susi
2006-11-28 17:24 ` Martin Mares
2006-11-28 17:46 ` Phillip Susi
2006-11-28 17:49 ` Martin Mares
2006-11-28 18:40 ` Phillip Susi
2006-11-28 21:05 ` Martin Mares
2006-11-29 20:04 ` Phillip Susi
2006-11-28 17:42 ` Phillip Susi
2006-11-28 17:59 ` Martin Mares
2006-11-28 22:50 ` Eran Tromer
2006-11-27 22:21 ` Gunter Ohrner
2006-11-24 0:48 ` Theodore Tso [this message]
2006-11-24 1:01 ` Jeff Garzik
2006-11-23 20:54 ` Lennart Sorensen
2006-11-23 21:34 ` Gunter Ohrner
2006-11-23 21:04 ` Jeff Garzik
2006-11-23 21:43 ` Gunter Ohrner
2006-11-26 1:26 ` Folkert van Heusden
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20061124004855.GA10937@thunk.org \
--to=tytso@mit.edu \
--cc=G.Ohrner@post.rwth-aachen.de \
--cc=jengelh@linux01.gwdg.de \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox