Date: Fri, 9 Nov 2001 09:58:11 -0600 (CST) From: Mike Silbersack <silby@silby.com> To: <freebsd-hackers@freebsd.org> Subject: CPU Temp and Fan speed as entropy? Message-ID: <20011109095347.R46119-100000@achilles.silby.com>
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Out of curiousity, has anyone looked into using cpu temperature and fan speed as an entropy source? The thought came to last time I was in bios, looking at the temperature stats; to my untrained eye, it sure looks like those numbers bounce around a lot. I think most motherboards are coming with such sensors onboard these days, and I also believe that we have userland support for reading the values. I think we're doing just fine wrt entropy in -current, but it would still be rather neat to harvest hardware-derived entropy on a wide variety of machines. Just curious, Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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