New answers tagged randomness
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Evaluating a TRNG device positively requires knowing its structure, both to evaluate the actual amount of entropy it produces, and the possibility to detect a field failure.
Some devices sold as TRNG are in fact a TRNG subsystem followed by a PRNG, which produce the output of the device. In that case, if the PRNG is cryptographically secure, the output of ...
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One problem is that keyboard keys may or may not be uniform. Look at the F and J keys - they may have a little dot of plastic to identify them with your fingertips. That little dot may make them heavier or lighter than other keys, affecting how they shake up in a hat. Some keyboards, like Das Keyboard, were built with different spring actions for different ...
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Dice have been extremely well studied (having been used for gambling for, well, thousands of years). It is hard to beat them, for simplicity and bandwidth of random number generation, if you want to avoid use of computers for random number generation.
Dice have three advantages. First, it's pretty fast to roll dice. Second, they are familiar; people ...
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