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Date: Sun, 2 Feb 2003 23:39:04 +0300
From: "Andrey A. Chernov" <ache@nagual.pp.ru>
To: David Malone <dwmalone@maths.tcd.ie>
Cc: Mark Murray <mark@grondar.org>, Bakul Shah <bakul@bitblocks.com>,
	"Jeroen C. van Gelderen" <jeroen@vangelderen.org>, phk@FreeBSD.ORG,
	current@FreeBSD.ORG
Subject: Re: rand() is broken
Message-ID: <20030202203904.GA67454@nagual.pp.ru>
References: <200302021943.h12JhEaX050421@grimreaper.grondar.org> <200302022005.aa62194@salmon.maths.tcd.ie>
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On Sun, Feb 02, 2003 at 20:05:29 +0000, David Malone wrote:
> > > I presume it also produces reasonably uniform output for most
> > > seeds too.
> 
> > Yes. Modulo the requirement to "burn" a bit of output after a
> > reseed.
> 
> I guess the crypto guys would have junked it otherwise ;-)

Notice that it will happens _each_ time for rand() due to rand_r() 
requirement 1) to output the same sequence as rand() and to 2) to store
one word seed value each time. I.e. it will be reseed on each call.

-- 
Andrey A. Chernov
http://ache.pp.ru/

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