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