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by pantantrant
849 days ago
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I changed the printf line of code to this (printf("%2x", integer);) to make it a pseudorandom number generator and made a post about it https://news.ycombinator.com/item?id=39462913 (10 Lines of code 3.4 bits of noise per byte weak pseudo random number generator) I compiled it, ran ./vitalixprng &> output.txt and then ran Detect It Easy's entropy measuring tool on output.txt to give me around 3.41 bits of randomness per 8 bits. It outputs 2 hex characters (hex character = half byte = 4 bits) per clock cycle. It gives out pseudorandom output that looks like this: 28595827262617506937569201755869372950673748294758392 |
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And the measure of entropy means nothing. If I know that the last number that was output was 10, I know the following number will be 15.