From owner-svn-src-all@FreeBSD.ORG Wed Apr 1 15:34:04 2015 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id E96FD6E2; Wed, 1 Apr 2015 15:34:04 +0000 (UTC) Received: from gromit.grondar.org (grandfather.grondar.org [IPv6:2a01:348:0:15:5d59:5c20:0:2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id ABE77E11; Wed, 1 Apr 2015 15:34:04 +0000 (UTC) Received: from graveyard.grondar.org ([88.96.155.33] helo=gronkulator.grondar.org) by gromit.grondar.org with esmtpsa (TLSv1:DHE-RSA-AES256-SHA:256) (Exim 4.85 (FreeBSD)) (envelope-from ) id 1YdKeX-000Boq-75; Wed, 01 Apr 2015 16:34:01 +0100 Subject: Re: svn commit: r280955 - in head/sys: modules/notrandom dev/notrandom Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2096\)) Content-Type: text/plain; charset=windows-1252 From: Mark R V Murray In-Reply-To: <551C0B2A.9060006@freebsd.org> Date: Wed, 1 Apr 2015 16:33:55 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <5A609CED-56E6-4459-8505-58930048AA0D@grondar.org> References: <20150401113628.GA16649@dft-labs.eu> <20150401114313.GZ64665@FreeBSD.org> <20150401115204.GB16649@dft-labs.eu> <1427897897.82583.62.camel@freebsd.org> <551C0A92.8070507@freebsd.org> <551C0B2A.9060006@freebsd.org> To: Julian Elischer X-Mailer: Apple Mail (2.2096) X-SA-Score: -4.0 Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, Mateusz Guzik , src-committers@freebsd.org, Ian Lepore X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Apr 2015 15:34:05 -0000 > On 1 Apr 2015, at 16:13, Julian Elischer wrote: >=20 > On 4/1/15 11:11 PM, Julian Elischer wrote: >> On 4/1/15 10:18 PM, Ian Lepore wrote: >>> On Wed, 2015-04-01 at 13:52 +0200, Mateusz Guzik wrote: >>>> As a side note I'm surprised with the choice of 7. >>>>=20 >>>> I would expect 3, no more, no less. 3 would be the number returned, >>>> and the number readers receive would be 3. >>> 5 would be right out. >>=20 >> there is prior art for 7... I remember seeing it once.. 7, 7, 7, 7, = 7 ... >> that's the trouble with randomness, you can't really tell.. >> I remember a part of a paper on the topic by Adams S, et al. >> I think it was towards the end of the paper. >=20 > I stand corrected... the number selected in the paper was 9 Well spotted! Before someone makes a terrible mistake, I should point out that 4 is = confirmed random, as cited here: https://xkcd.com/221/ M --=20 Mark R V Murray