On Sun, Aug 27, 2017 at 6:57 PM, Robert Moskowitz <rgm@xxxxxxxxxxxxxxx> wrote: > I use: > > cat /proc/sys/kernel/random/entropy_avail > > To check on the amount of entropy for creating random stuff like keypairs > with openssl or random nonces and keys for TLS.. > > I am using a Cubieboad2. > > With Fedora-Xfce-armhfp-26-1.5-sda.raw.xz I was seeing numbers in the 3,000. > I don't have that image running right now to get an actual number. > > I just built a system with: Fedora-Server-armhfp-26-1.5-sda.raw.xz > > I am seeing numbers only in the mid 800s: > > [root@C2 ~]# cat /proc/sys/kernel/random/entropy_avail > 866 > [root@C2 ~]# cat /proc/sys/kernel/random/entropy_avail > 803 > [root@C2 ~]# cat /proc/sys/kernel/random/entropy_avail > 828 > > > What is different between these two images? It is the same Cubieboard. Different images have different services enabled by default, is rng-tools intsalled by default on server image? > I have also installed rng-tools with some success, but not as much as > haveged. There's a quality difference between HW rng vs haveged which provides entropy but might not be as random as a proper HW rng _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx
