On 2011-01-25 11:46 PM, Peter Gutmann wrote:
Oh, and just to throw a spanner in the works: I've never seen any standards document or whatever that discusses what to do when you don't have enough entropy available. There are all sorts of Rube-Goldberg entropy-estimation methods, but what do you do when your entropy-estimation says there's not enough available? Hint: Halting, i.e. preventing things from continuing isn't an option.
The solution that I implemented was a pseudo random number generator whose 2048 bit seed is continuously scrambled by the continual addition of new entropy.
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