On Di, 17.09.19 23:38, Martin Steigerwald (martin@xxxxxxxxxxxx) wrote: > (I know that it still with /dev/urandom, so if it is using RDRAND now, > this may indeed be different, but would it then deplete entropy the CPU > has available and that by default is fed into the Linux crng as well > (even without trusting it completely)?) Neither RDRAND nor /dev/urandom know a concept of "depleting entropy". That concept does not exist for them. It does exist for /dev/random, but only crazy people use that. systemd does not. Lennart -- Lennart Poettering, Berlin