I have updated the rndctl(8) documentation so it reflects the current model in the kernel and is no longer misleading.
It could still use some extra work (e.g. -l could print number of samples collected). On Sat, Apr 03, 2021 at 10:03:21PM +0200, Steffen Nurpmeso wrote: > Btw i track > > https://github.com/smuellerDD/jitterentropy-library.git > > for about two years, and i "never" (which is a couple of years at > least) understood why something like this isn't simply used. The kernel already mixes in hardclock jitter, among other things, to the entropy pool, but it doesn't increase the entropy estimate. Nothing does except hardware RNGs and direct entropy fed from the host machine, and there have been strong objections to re-introducing any kind of estimator that is based purely on runtime statistical gathering rather than models of hardware. "Potential entropy gathering schemes" have been discussed to death. Please stay on-topic.