Krishna Yenduri wrote: > The entropy estimate is zero for these writes since we want to > be conservative here. Apart from the issue of the caller calculating > the entropy estimate correctly, there is no way to specify the > entropy estimate (it is usually lower than the number of bytes written). > We would need to provide an interface (an ioctl?) for passing the > entropy estimate before considering using that value.
Linux has such and ioctl and I have plans to add it to the Solaris /dev/random implementation as it will allow use of some hardware random number generators that are attached via usb and "driven" using a userland "driver". -- Darren J Moffat