var mysql      = require('mysql');
var connection = mysql.createConnection({
  host     : 'localhost',
  user     : 'wordpress',
  password : 'jPWrwvGbYXMADd8F',
  database : 'wordpress',
});

connection.query('SELECT * FROM wp_users', function(err, rows) {
    if (err) {
        console.log("Database error: " + err);
    } else {
         for (var i = 0; i < rows.length; i++){
            console.log("Rows[" + i + "] : " + rows[i].user_login + " " + passwordHash.checkPassword('secret',rows[i].user_pass));
         }
    }
});

Cookie Name: wordpress_logged_in_2801795354f6f1c2d2ab3b48033a8257
Cookie Value: admin|1392386298|647852d61caf4cfdea975d54ecb09ca8
Cookie Value: %user_login%|%cookie_expire_time%|%hashed_sliced_user_hashed_password%

$logged_in_cookie = wp_generate_auth_cookie($user_id, $expiration, 'logged_in');
//...
setcookie(LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true);

if ( !defined( 'COOKIEHASH' ) ) {
    $siteurl = get_site_option( 'siteurl' );
    if ( $siteurl )
        define( 'COOKIEHASH', md5( $siteurl ) );
    else
        define( 'COOKIEHASH', '' );
}
//...
define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);

//WordPress wp-config.php
define('LOGGED_IN_COOKIE', 'logged_in_'.'%privateHashKey%');
//NODEJS
var LOGGED_IN_COOKIE = 'logged_in_'+'%privateHashKey%';

if ( !function_exists('wp_generate_auth_cookie') ) :
//...
function wp_generate_auth_cookie($user_id, $expiration, $scheme = 'auth') {
    $user = get_userdata($user_id);

    $pass_frag = substr($user->user_pass, 8, 4);

    $key = wp_hash($user->user_login . $pass_frag . '|' . $expiration, $scheme);
    $hash = hash_hmac('md5', $user->user_login . '|' . $expiration, $key);

    $cookie = $user->user_login . '|' . $expiration . '|' . $hash;

    return apply_filters('auth_cookie', $cookie, $user_id, $expiration, $scheme);
}
endif;

define('COOKIE_DOMAIN', '.domain.com');