encrypt_password.go

package main

import (
	"crypto/sha256"
	"fmt"
	"math/rand"
	"strconv"
)

func main() {
	// salt is random int from 0~10000
	salt := rand.Int63n(10000)
	password := "hello123"
	encryptedPassword := encrypt(password, salt)
	fmt.Printf("encrypted password=%s, len=%d\n", encryptedPassword)
}

func encrypt(password string, salt int64) string {
    sum := sha256.Sum256([]byte(password + strconv.FormatInt(salt, 10)))
    return fmt.Sprintf("%x", sum)
}