Date: Tue, 25 Sep 2012 11:36:31 +0200 From: Mariusz Gromada <mariusz.gromada@gmail.com> To: Ben Laurie <benl@freebsd.org> Cc: freebsd-security@freebsd.org, RW <rwmaillists@googlemail.com>, Jonathan Anderson <jonathan.anderson@cl.cam.ac.uk>, Pawel Jakub Dawidek <pjd@freebsd.org>, John Baldwin <jhb@freebsd.org> Subject: Re: Collecting entropy from device_attach() times. Message-ID: <CANsh1da6ti9_97bhtOwjC4B8GW3Bn%2B==d67GDsJqBV4oTZgh1Q@mail.gmail.com> In-Reply-To: <CANsh1da59oRAB%2B1OsdoHXKe-ushoy16g2=rfXg_2-MjUevGCqA@mail.gmail.com> References: <20120918211422.GA1400@garage.freebsd.pl> <20120919231051.4bc5335b@gumby.homeunix.com> <20120920102104.GA1397@garage.freebsd.pl> <201209200758.51924.jhb@freebsd.org> <20120922080323.GA1454@garage.freebsd.pl> <20120922195325.GH1454@garage.freebsd.pl> <505E59DC.7090505@gmail.com> <20120923151706.GN1454@garage.freebsd.pl> <5060D723.6020305@gmail.com> <CAG5KPzxf0Rfufk5K6Jt4e85xc7zXY_B3a2Sq0Uf_uVLHbV-baw@mail.gmail.com> <CANsh1da59oRAB%2B1OsdoHXKe-ushoy16g2=rfXg_2-MjUevGCqA@mail.gmail.com>
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2012/9/25 Mariusz Gromada <mariusz.gromada@gmail.com> > > Empirically, it seems to me that these numbers are actually unlikely >> to be correlated with each other, but that has not been tested. >> > > > Another yes, you are right. We need much more data to check if we have a > stochastic process consisted of independent random variables. > > Here we did some initial testing, mainly based on charts, which showed typical noise in time. But again, it requires a formal proof.
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