Cakephp 3에서 암호를 해싱 할 수 없음

이 자습서 https://book.cakephp.org/3.0/en/tutorials-and-examples/blog-auth-example/auth.html을 따라 등록 양식을 만들었지 만 암호는 암호없이 데이터베이스에 일반 텍스트로 저장됩니다. 제 문제를 해결할 수 있도록 도와주세요. 여기 내 코드입니다 :Cakephp 3에서 암호를 해싱 할 수 없음

Add.ctp

<h1>Register new user </h1> 


<div class="users form"> 
<?= $this->Form->create($user) ?> 
    <fieldset> 
     <legend><?= __('Add User') ?></legend> 
     <?= $this->Form->control('username') ?> 
     <?= $this->Form->control('password') ?> 

    </fieldset> 
<?= $this->Form->button(__('Submit')); ?> 
<?= $this->Form->end() ?> 
</div>

법인/User.php

<?php 
namespace App\Model\Entity; 

use Cake\Auth\DefaultPasswordHasher; 
use Cake\ORM\Entity; 

class User extends Entity 
{ 

    // Make all fields mass assignable except for primary key field "id". 
// Make all fields mass assignable for now. 
protected $_accessible = ['*' => true]; 

protected function _setPassword($password) { 
    return (new DefaultPasswordHasher)->hash($password); 
} 

    // ... 
} 

?>

UsersTable.php

<?php 
namespace App\Model\Table; 

use Cake\ORM\Table; 
use Cake\Validation\Validator; 
use Cake\Auth\DefaultPasswordHasher; 

class UsersTable extends Table 
{ 
    public function validationDefault(Validator $validator) 
    { 
     return $validator 
     ->notEmpty('username', 'A username is required') 
     ->notEmpty('password', 'A password is required'); 

    } 


} 

?>

UsersController.php

<?php 

namespace PanelAdmin\Controller; 

use Cake\Controller\Controller; 
use Cake\ORM\TableRegistry; 
use Cake\Event\Event; 

class UsersController extends AppController 

{ 

public function beforeFilter(Event $event) 
    { 
     parent::beforeFilter($event); 
     $this->Auth->allow('add'); 
    } 

    public function index() 
    { 
     $this->set('users', $this->Users->find('all')); 
    } 

    public function view($id) 
    { 
     $user = $this->Users->get($id); 
     $this->set(compact('user')); 
    } 

    public function add() 
    { 
     $user = $this->Users->newEntity(); 
     if ($this->request->is('post')) { 
      // Prior to 3.4.0 $this->request->data() was used. 
      $user = $this->Users->patchEntity($user, $this->request->getData()); 
      //debug($user); die; 
      if ($this->Users->save($user)) { 
       $this->Flash->success(__('The user has been saved.')); 
       return $this->redirect(['action' => 'add']); 
      } 
      $this->Flash->error(__('Unable to add the user.')); 
     } 
     $this->set('user', $user); 
    } 

    } 

?>

디렉토리 구조 :