On Tue, Sep 25, 2012 at 12:58:37PM +0200, Dag-Erling Smørgrav wrote: > Pawel Jakub Dawidek <[email protected]> writes: > > Note that this fake data is the hardest to gather entropy from, as it > > doesn't interact with any external hardware. I'm all for testing it on > > real hardware and I expect to be able to gather even more entropy from > > it (so discarding less than top 7 bits). The problem with making > > observations during boot takes much, much longer, so it will limit the > > number os samples significantly, and as you know the more samples the > > better. > > I have a handful of SFF machines which support PXE. I can easily set up > an NFS root where /etc/rc just remounts / rw, dumps the data and > reboots. With a sub-minute cycle time, I can get a couple of hundred > thousand samples per machine over the weekend.
That would be great. > (I don't even need PXE - they'll probably boot faster from USB sticks or > disks) And probably more reliable. My netbooted test machines occasionally don't boot and you don't want to find out in the morning that the whole process stopped at 1AM:) -- Pawel Jakub Dawidek http://www.wheelsystems.com FreeBSD committer http://www.FreeBSD.org Am I Evil? Yes, I Am! http://tupytaj.pl
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