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24 lines
564 B
24 lines
564 B
package main
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import "crypto/rand"
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// TODO: make this a test in the crypto/rand package.
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func main() {
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buf := make([]byte, 500)
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n, err := rand.Read(buf)
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if n != len(buf) || err != nil {
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println("could not read random numbers:", err)
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}
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// Very simple test that random numbers are at least somewhat random.
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sum := 0
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for _, b := range buf {
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sum += int(b)
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}
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if sum < 95*len(buf) || sum > 159*len(buf) {
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println("random numbers don't seem that random, the average byte is", sum/len(buf))
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} else {
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println("random number check was successful")
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}
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}
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