package main

import (
	"crypto/rand"
)

const (
	alphabet = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
)

// RandomString ...
func RandomString(length int) string {
	bytes := make([]byte, length)
	rand.Read(bytes)
	for i, b := range bytes {
		bytes[i] = alphabet[b%byte(len(alphabet))]
	}
	return string(bytes)
}