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Date:      Sun, 28 Nov 1999 12:33:23 -0700
From:      Warner Losh <imp@village.org>
To:        Dan Moschuk <dan@FreeBSD.ORG>
Cc:        Kris Kennaway <kris@hub.freebsd.org>, freebsd-audit@FreeBSD.ORG
Subject:   Re: Last random PID patch before commit 
Message-ID:  <199911281933.MAA86069@harmony.village.org>
In-Reply-To: Your message of "Sun, 28 Nov 1999 14:24:07 EST." <19991128142407.B33514@november.jaded.net> 
References:  <19991128142407.B33514@november.jaded.net>  <19991128130432.C33028@november.jaded.net> <19991128012420.A48334@spirit.jaded.net> <Pine.BSF.4.21.9911280042420.89688-100000@hub.freebsd.org> <19991128130432.C33028@november.jaded.net> <199911281911.MAA85867@harmony.village.org> 

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In message <19991128142407.B33514@november.jaded.net> Dan Moschuk writes:
: The only problem with the /dev/random stream is that it will not have 
: sufficient entropy built up by the time the arc4_init() is likely to be called,
: at bootup.

Are you sure about this?  Is our dev random really that bad?  It
should have at least 32 bits of randomness builtup within milliseconds 
of interrupts being enabled...

: Not to say that the way I initialize it is any better, but it will work until
: "The best" solution can be found.
: 
: I like the idea of replacing our random devices with sys/dev/rnd.c from
: OpenBSD.

I like this idea as well.

I believe that the entropy pool accumulates fast enough to use it for
every process, but that might be excessive and wasteful.

Warner


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