On Wed, Oct 09, 2013 at 08:07:35AM -0700, H. Peter Anvin wrote: > consider the PowerPC random number generator[1]) and [snip] > [1] which has a known first-order bias which they "correct" for by > XORing two datums together in a very simple data reduction step. 65 actually, not two. > However, if their random source has bias it is extremely likely it also > has nonzero correlations, which require stronger reductions. It would The correlations are essentially zero, by design, and experiment confirms it. Did you see my mail on the kvm list where I explained how it works? Paul. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html