combining entropy

[Ben Laurie]

On Mon, Sep 29, 2008 at 1:13 PM, IanG <iang at systemics.com> wrote:
> If I have N pools of entropy (all same size X) and I pool them
> together with XOR, is that as good as it gets?

Surely not. Consider N pools each of size 1 bit. Clearly you can do
better than the 1 bit your suggestion would yield.

More concretely, concatenation would seem better than XOR.

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