On Sat, Jul 25, 2015 at 10:30:55AM -0700, John-Mark Gurney wrote: > Alexey Dokuchaev wrote this message on Sat, Jul 25, 2015 at 14:36 +0000: > > On Fri, Jul 24, 2015 at 07:59:35AM +0100, Mark R V Murray wrote: > > > [...] > > > > Heck, piping in mic data to /dev/random is a good way to seed the > > > > rng on many machines. > > > > > > Well, sure, but what if you don't have microphone? I want lots > > > of choices, in anticipation of only a subset being usable. > > > > I like the microphone idea. Not just it adds another hard-to-mess-with > > (?) entropy source, it can also be a nice "reference" example for people > > wanting to write their own sources and plug them into the RNG framework. > > Shouldn't be done in kernel, just do it from userland, by adding the > following to cron: > 3 * * * * root sleep $(jot -r 1 120 1); dd > if=/dev/dsp bs=512 count=5 2>/dev/null | sha512 > /dev/random
Hey, that's nice, thanks! I didn't realize from reading random(4) that it can be fed like this. Perhaps manpage should be updated (the cron trick could be a nice candidate for EXAMPLES section or something)... ./danfe _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
