3 ms·

They already do. http://en.wikipedia.org/wiki/RdRand http://en.wikipedia.org/wiki/RdRand has been around on x86 for a while. Unfortunately, they're essentially

They already do. http://en.wikipedia.org/wiki/RdRand http://en.wikipedia.org/wiki/RdRand has been around on x86 for a while. Unfortunately, they're essentially unauditable and sometimes frightfully broken, eg https://arstechnica.com/gadgets/2019/10/how-a-months-old-amd-microcode-bug-destroyed-my-weekend/ https://arstechnica.com/gadgets/2019/10/how-a-months-old-amd... Fun times

ggm 6y ago
So Linus is fine with it, and FreeBSD fed it into yarrow/fortuna which is the kernel boot time initialized entropy pool.
- ChrisSD 6y ago
  Putting it into a pool is fine. It can be XORed with other sources. And if at boot time there's no stored entropy and no other sources, then it's better than nothing until more sources become available.