Tony, On Mon, 25 Sep 2006 21:34:49 +1000, Tony Smith wrote: > Intel (I think) had a plan a few years back to put hardware RNG on PC > motherboards. Can't remember if it was to go in the CPU (unlikely) or a > separate chip. Apparently it wasn't random enough. I'd say manufacturers > didn't want to cough up a few more cents. I think I'm right in saying that DEC 10s had a hardware random number generator - based on radioactive decay of some reasonably safe element. Cheers, Howard Winter St.Albans, England -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist