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by weinzierl
4119 days ago
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Just because it's biased towards 0 it doesn't mean there's no entropy in it. Even the raw output of an entropy source based on radioactive decay or thermal noise is biased. To generate a highly random output that appears independent from the source and uniformly distributed a randomness extractor [1] has to beapplied. The most well know is the Von Neumann extractor. [1] http://en.wikipedia.org/wiki/Randomness_extractor |
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