Date: Tue, 18 Jul 2000 08:04:37 +0200 From: Mark Murray <mark@grondar.za> To: "Louis A. Mamakos" <louie@TransSys.COM> Cc: current@FreeBSD.ORG Subject: Re: randomdev entropy gathering is really weak Message-ID: <200007180604.IAA03329@grimreaper.grondar.za> In-Reply-To: <200007180145.VAA00554@whizzo.transsys.com> ; from "Louis A. Mamakos" <louie@TransSys.COM> "Mon, 17 Jul 2000 21:45:52 -0400." References: <200007180145.VAA00554@whizzo.transsys.com>
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> Actually, you could really use this in ntpd(8), rather than just ntpdate. > You could crank in the offset and delay samples for each packet > received from an NTP peer; this will have the effect of adding into > the entropy pool the "noise" in the latency of the path between you > and each of your NTP peers. This varies over time with each sample, > and in fact, NTP goes to considerable effort in it's sample filtering > to exclude the noisy samples. We need to get that date before it's > discarded and contribute it to the entropy cause. You forget; a snooper watching your (ether)net has access to nearly all of this information. M -- Mark Murray Join the anti-SPAM movement: http://www.cauce.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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