On Wed, Jan 15, 2014 at 05:26:34PM -0600, Frank Zerangue wrote: > I am writing a driver for an arm random number generator accelerator to > provide a source of random bits to rnd_pool. > > How does one know at what rate to supply random bits to the pool using > rnd_add_data()? Assume for a moment that more bits/sec can be generated than > are needed, what criteria should be used to decide the rate to provide bits > to the pool? Is there any feedback mechanism that can be used to govern the > flow?
You can arrange to be polled for entropy when it's needed. Have a look at the hifn, amdpm, or bcm2835 RNG drivers. Thor
