// read cookie
const cookieParser = require('cookie');
const cookieHeaderValue = req.header('cookie') || '';
const myCookie = cookieParser.parse(cookieHeaderValue).myCookie;

// set cookie 
res.cookie('myCookie', 'my-cookie-value');

// set cookie with some options
res.cookie('another', 'another-cookie-value', { maxAge: 900000, httpOnly: true });

const body = req.body;
const username = body.username;
const password = body.password;

const crypto = require('crypto-js');
const SECRET = 'my secret password';

const value = 15;

// make sure value is string before calculating hash
const hash = crypto.HmacSHA256(value.toString(), SECRET).toString();

const bcrypt = require('bcryptjs');
const password = 'qw99KJtg65';
const hash = bcrypt.hashSync(password)
const isValid = bcrypt.compareSync(password, password);