generate-password-hash-scrypt

main.go

package main

import (
	"fmt"
	"math/rand"
	"os"
	"time"

	"golang.org/x/crypto/scrypt"
)

func main() {
	random := rand.New(rand.NewSource(time.Now().UnixNano()))
	salt1 := make([]byte, 0)
	for i := 0; i < 16; i++ {
		salt1 = append(salt1, byte(random.Intn(256)))
	}
	h, err := scrypt.Key([]byte(os.Args[1]), salt1, 32768, 8, 1, 32)
	if err != nil {
		panic(err)
	}

	fmt.Printf("passowrd=%s\n", os.Args[1])
	fmt.Printf("salt=")
	printByteArr(salt1)
	fmt.Print("passwordHashed=")
	printByteArr(h)
}

func printByteArr(a []byte) {
	fmt.Print("[]byte{")
	for i, b := range a {
		if i == len(a)-1 {
			fmt.Print(fmt.Sprintf("%d", b))
		} else {
			fmt.Print(fmt.Sprintf("%d, ", b))
		}
	}
	fmt.Println("}")
}