var chars = "abcdefghijklmnopqrstuvwxyz0123456789" var max = len(chars) var nonce = ""
r := rand.New(rand.NewSource(time.Now().UnixNano())) ch := []rune(chars) for i := 0; i < 32; i++{ aa := math.Floor(r.Float64() * float64(max)) nonce += string(ch[int(aa)])