Re: Flaw with lava lamp entropy source

2004-12-21 Thread John Kelsey
From: James A. Donald [EMAIL PROTECTED] Sent: Dec 18, 2004 2:51 PM To: [EMAIL PROTECTED] [EMAIL PROTECTED] Subject: Re: Flaw with lava lamp entropy source .. These days the video entropy source is not a lava lamp, but a lens cap - in the dark, the ccds generate significant thermal noise, which

Flaw with lava lamp entropy source

2004-12-18 Thread Major Variola (ret)
I've been running a 1970s-era lava lamp for some time, and found that it can enter a stable attractor where you get a non-circulating blob o' wax at the bottom. While Walker et al.'s (?) LL video entropy source is cute/clever, the general lesson we can take from this is to be careful that