Path: utzoo!utgpu!watmath!clyde!att!ttrdc!levy From: levy@ttrdc.UUCP (Daniel R. Levy) Newsgroups: comp.lang.c Subject: Re: How do I get random #s? Message-ID: <3198@ttrdc.UUCP> Date: 12 Feb 89 03:04:23 GMT References: <19415@dhw68k.cts.com> <225800121@uxe.cso.uiuc.edu> Sender: netnews@ttrdc.UUCP Organization: AT&T, Skokie, IL Lines: 15 In article <225800121@uxe.cso.uiuc.edu>, mcdonald@uxe.cso.uiuc.edu writes: < I hooked an ADC converter and a hot resistor to my computer and xor'ed the -------------- < results from it with rand(). This gives me about 10000 really random numbers --------------------------- < a second. It is not trivial to get REALLLY random numbers out of such < a setup, but it can be done. Why? Why not use the pure output of your device? (presuming it has the needed dynamic range) -- Daniel R. Levy UNIX(R) mail: att!ttbcad!levy AT&T Bell Laboratories 5555 West Touhy Avenue Any opinions expressed in the message above are Skokie, Illinois 60077 mine, and not necessarily AT&T's.