From owner-freebsd-current Tue Feb 4 2:20: 8 2003 Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B17B837B401 for ; Tue, 4 Feb 2003 02:20:07 -0800 (PST) Received: from nagual.pp.ru (pobrecita.freebsd.ru [194.87.13.42]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9935C43F75 for ; Tue, 4 Feb 2003 02:20:06 -0800 (PST) (envelope-from ache@pobrecita.freebsd.ru) Received: from pobrecita.freebsd.ru (ache@localhost [127.0.0.1]) by nagual.pp.ru (8.12.6/8.12.6) with ESMTP id h14AK3d6089660; Tue, 4 Feb 2003 13:20:03 +0300 (MSK) (envelope-from ache@pobrecita.freebsd.ru) Received: (from ache@localhost) by pobrecita.freebsd.ru (8.12.6/8.12.6/Submit) id h14AK2Z4089658; Tue, 4 Feb 2003 13:20:02 +0300 (MSK) (envelope-from ache) Date: Tue, 4 Feb 2003 13:20:01 +0300 From: "Andrey A. Chernov" To: Kris Kennaway , current@FreeBSD.ORG Subject: Re: rand() is broken Message-ID: <20030204102001.GA89622@nagual.pp.ru> References: <20030202070644.GA9987@rot13.obsecurity.org> <20030202090422.GA59750@nagual.pp.ru> <20030203002639.GB44914@HAL9000.homeunix.com> <20030203100002.GA73386@nagual.pp.ru> <20030204054020.GA2447@HAL9000.homeunix.com> <20030204094659.GA87303@nagual.pp.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030204094659.GA87303@nagual.pp.ru> User-Agent: Mutt/1.5.1i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, Feb 04, 2003 at 12:46:59 +0300, Andrey A. Chernov wrote: > > So, if you define USE_WEAK_SEEDING and re-compile rand.c, you'll get even > worse results from your test. It means current variant is better then > previous. If you know even better algorithm wich pass restrictions above, > just tell and we consider switching to it. Here is result from your test for USE_WEAK_SEEDING, i.e. for old algorithm. As we can see, it even worse than current one. It means that returning to old algoritm as Kris means (maybe?) is not an option. 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 1 e b 8 5 2 f c 9 6 3 0 d a 7 4 -- 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