At 8:52 PM -0400 6/7/2000, Don Davis wrote:
...
but, when SGI announced their lavarand patent
application in the press a few years ago, i
decided that it wasn't worth worrying about.
theirs is clearly a defensive patent, intended
only to make sure that noone can keep SGI from
using anything they
steve b., perry m., and arnold r. all point out,
quite correctly, that hashing was used for noise-
whitening, long before sgi's lavarand and before
my disk-randomness paper. the difference that
sgi's work and mine offered was a more rigorous
notion of randomness. by explicitly drawing on
the
At 3:27 PM -0400 6/6/2000, Steven M. Bellovin wrote:
In message [EMAIL PROTECTED], "Steven
M. Bellovi
n" writes:
In message [EMAIL PROTECTED], Dennis
Glatting writes:
There is an article (somewhere) on the net of digital cameras focused
on lava lamps. Photos are taken of the lava lamps
From: Arnold G. Reinhold [mailto:[EMAIL PROTECTED]]
At 3:27 PM -0400 6/6/2000, Steven M. Bellovin wrote:
Following up on my own post... My brain clearly wasn't in
gear when I
did my previous search. It's U.S. patent 5,732,138; see
In message [EMAIL PROTECTED] 4.1.2607054551.00
[EMAIL PROTECTED], John Kelsey writes:
At 10:33 PM 6/6/00 -0400, Arnold G. Reinhold wrote:
...
The patent appears much broader than just focusing a camera on a Lava
lamp. They claim digitizing the state of any chaotic system and then
hashing
what methods do folks currently use (on NT and unix)
to generate a random seed ...
mr. hodges,
solaris has a good trng product called
cryptorand. i've reviewed its internals
closely. cryptorand works by hashing
kernel memory. the pointers in kernel
memory get shuffled constantly by external
I've been putting a cheap sound card in every machine, not connected to
any external wires, cp'ing from it on reboot. Seems to generate a nice
chunk of randomness, but I've never measured it.
[EMAIL PROTECTED] wrote:
So I'm curious about what all methods do folks currently use (on NT and
John Kelsey wrote:
-BEGIN PGP SIGNED MESSAGE-
At 07:08 PM 6/5/00 -0700, [EMAIL PROTECTED] wrote:
So I'm curious about what all methods do folks currently use (on NT
and unix) to generate a random seed in the case where user
interaction (e.g. the ol' mouse pointer waving or
In message [EMAIL PROTECTED], Dennis Glatting writes:
There is an article (somewhere) on the net of digital cameras focused
on lava lamps. Photos are taken of the lava lamps and mixed into a
hash function to generate random data. I believe the author had some
algorithm for turning the lamps
There is an article (somewhere) on the net of digital cameras focused
on lava lamps.
This is patented by Bob Mende of SGI.
Rgds,
-drc
On Tue, Jun 06, 2000 at 08:30:02AM -0400, William Allen Simpson wrote:
I've been putting a cheap sound card in every machine, not connected to
any external wires, cp'ing from it on reboot. Seems to generate a nice
chunk of randomness, but I've never measured it.
About 5 years ago when I
At 3:15 AM -0500 6/6/2000, John Kelsey wrote:
-BEGIN PGP SIGNED MESSAGE-
At 07:08 PM 6/5/00 -0700, [EMAIL PROTECTED] wrote:
So I'm curious about what all methods do folks currently use (on NT
and unix) to generate a random seed in the case where user
interaction (e.g. the ol' mouse
In article [EMAIL PROTECTED],
[EMAIL PROTECTED] wrote:
So I'm curious about what all methods do folks currently use (on NT and unix)
to generate a random seed in the case where user interaction (e.g. the ol'
mouse pointer waving or keyboard tapping approaches) isn't a viable option?
See
Thanks to everyone for the info -- it's definitely helpful.
Yesterday, I had a brain fart and searched by archive of this list for
"random" and neglected "entropy". This popped up using the latter (slightly
embarrassing that it's in response to a v. similar question I'd asked not long
ago
At 11:39 AM 6/6/00 -0400, Steven M. Bellovin wrote:
There is an article (somewhere) on the net of digital cameras focused
on lava lamps. Photos are taken of the lava lamps and mixed into a
I had thought it was patented, but a quick search of uspto.gov didn't
turn it up.
The basic principle is
So I'm curious about what all methods do folks currently use (on NT and unix)
to generate a random seed in the case where user interaction (e.g. the ol'
mouse pointer waving or keyboard tapping approaches) isn't a viable option?
thanks,
JeffH
I'm not sure how widely used they are but there are some ideas
in RFC 1750.
Donald
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Date: Mon, 05 Jun 2000 19:08:53 -0700
So I'm curious about what all methods do
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