generator.go

package main

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

func generatePassword(length int) string {
	rand.Seed(time.Now().UnixNano())
	digits := "0123456789"
	specials := "~=+%^*/()[]{}/!@#$?|"
	all := "ABCDEFGHIJKLMNOPQRSTUVWXYZ" +
		"abcdefghijklmnopqrstuvwxyz" +
		digits + specials

	buf := make([]byte, length)
	buf[0] = digits[rand.Intn(len(digits))]
	buf[1] = specials[rand.Intn(len(specials))]

	for i := 2; i < length; i++ {
		buf[i] = all[rand.Intn(len(all))]
	}
	rand.Shuffle(len(buf), func(i, j int) {
		buf[i], buf[j] = buf[j], buf[i]
	})

	str := string(buf)
	return str
}

func main() {
	password := generatePassword(10)
	fmt.Println(password)
}