<?php /** * Protocol validator * * Copyright © Magento, Inc. All rights reserved. * See COPYING.txt for license details. */ declare(strict_types=1); namespace Magento\Framework\Encryption; use Magento\Framework\Config\ConfigOptionsListConstants; /** * Encryption Key Validator */ class KeyValidator { /** * Validate encryption key * * Validate that encryption key is exactly 32 characters long and has * no trailing spaces, no invisible characters (tabs, new lines, etc.) * * @param string $value * @return bool */ public function isValid($value) : bool { return strlen($value) === ConfigOptionsListConstants::STORE_KEY_RANDOM_STRING_SIZE && preg_match('/^\S+$/', $value); } }