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Aug 30, 2019 at 8:48 history edited Dmitry Grigoryev CC BY-SA 4.0
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Aug 30, 2019 at 8:43 comment added Hilder Vitor Lima Pereira A very good (or maybe not that good :s) example is the case of the Brazilian voting machine. Analyzing the code in it, some researchers discovered that one seed was initialized with srand(time(NULL)). But we know exactly at which time the elections start, which means that we have a very good estimate to the time the machines are turned on, and therefore, to the value used to initialize the seed...
Aug 30, 2019 at 8:32 history answered Dmitry Grigoryev CC BY-SA 4.0