> From: David Gwynne <da...@gwynne.id.au> > Date: Mon, 23 Apr 2018 10:38:57 +1000 > > > On 21 Apr 2018, at 05:52, Christian Weisgerber <na...@mips.inka.de> wrote: > > > > On 2018-04-20, Mark Kettenis <mark.kette...@xs4all.nl> wrote: > > > >> At some point I tried playing with this on the APU, which has the v3 > >> engine I think. Couldn't get anything to work (but I didn't try very > >> hard). Would be interesting to see whether this actually works on > >> that machine. > > > > It attaches. How can I tell if it works? > > > > ccp0 at pci0 dev 8 function 0 "AMD Cryptographic Co-processor v3" rev 0x00 > > i added printfs in the timeout, but that's pretty invasive. how do > we tell if any rng is working?
We can't tell. Our random code doesn't really care. Adding data that isn't really random to the entropy pool shouldn't make our output less random and we don't count entropy anymore.
