On 05.10.2017 14:40, [email protected] wrote: > > As I understand the getrandom() interface in modern Linux systems - it > is documented to block until it is initialized and then never block > again - is that an incorrect understanding of that interface?
More like incomplete. We use it with *GRND_NONBLOCK parameter to make sure it never blocks.* > > Additionally, it would be good to ensure that any > system running OpenBSC has some source of entropy beyond interrupts and > timing - is that already the case? Out of curiosity - is there a way to check for this programmatically? > > Is there a system wide entropy depletion monitor in place? Not that I know of. Is it some sort of a program or some kernel sysctl knob? -- Max Suraev <[email protected]> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Alt-Moabit 93 * 10559 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte
