/* Generate 2factor secret for use
 * with google authenticator (base32) an oathool (base16)
 */
package main

import (
	"crypto/rand"
	"encoding/hex"
	"encoding/base32"
	"fmt"
	"strings"
)

func randSecret() ([]byte, error) {
	b := make([]byte, 20)
	_, err := rand.Read(b)
	if err != nil {
		return b,err
	}
	return b,nil
}

func main() {
	secret, _ := randSecret()

	secretb16 := hex.EncodeToString(secret)
	secretb32 := strings.ToUpper(base32.StdEncoding.EncodeToString(secret))

	fmt.Printf("secret: %s\n", secretb16)
	fmt.Printf("authenticator: %s\n", secretb32)
}