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> In-Reply-To: <200302022005.aa62194@salmon.maths.tcd.ie> 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/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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