package crypto/rand
Int returns a uniform random value in [0, max). *max is the given input (2nd parameter). The function will panic if max <= 0.
Golang crypto/rand.Int() function usage example
package main
import (
"crypto/rand"
"fmt"
"math/big"
)
func main() {
var n *big.Int
var err error
max := *big.NewInt(99999999999)
n, err = rand.Int(rand.Reader, &max)
if err != nil {
fmt.Println(err)
}
fmt.Printf("%d\n", n)
}
Example output :
go run cryptorand.go
48752046463
Reference :
http://golang.org/pkg/crypto/rand/#Int
