On Fri, Apr 10, 2009 at 11:25:02AM +0100, Steve Simon wrote: > > truerand() returns (at most) 32 bits of entropy, which gets pushed into > > srand() and then 32 bits of entropy are read back out... why not just use > > truerand() directly? > > This bit I know, truerand() reads /dev/random (see cons(1)) and > can only generate "a few hundred bits per second". > > rand is pretty good (I think) but it is predictable, by seeding it from > truerand() the predictability is avoided. Be that as it may, we put in 32 bits and read out 32 bits and AFAICT the rest of exportfs doesn't avail itself of rand(). --nwf;