package main

import (
	"crypto/md5"
	"crypto/rand"
	"encoding/hex"
)

func randomToken(length int) string {
	b := make([]byte, length)
	rand.Read(b)
	return hex.EncodeToString(b)
}

func md5hex(s string) string {
	hash := md5.Sum([]byte(s))
	return hex.EncodeToString(hash[:])
}