csrf stuff

diff --git a/core/lib/Drupal/Core/Access/CsrfTokenGenerator.php b/core/lib/Drupal/Core/Access/CsrfTokenGenerator.php
index 37a141f..c260a31 100644
--- a/core/lib/Drupal/Core/Access/CsrfTokenGenerator.php
+++ b/core/lib/Drupal/Core/Access/CsrfTokenGenerator.php
@@ -20,18 +20,18 @@
 class CsrfTokenGenerator {
 
   /**
-   * The private key service.
+   * The private key.
    *
-   * @var \Drupal\Core\PrivateKey
+   * @var string
    */
   protected $privateKey;
 
   /**
-   * The settings instance.
+   * The hash salt.
    *
-   * @var \Drupal\Core\Site\Settings
+   * @var string
    */
-  protected $settings;
+  protected $hashSalt;
 
   /**
    * Constructs the token generator.
@@ -42,8 +42,8 @@ class CsrfTokenGenerator {
    *   The settings instance.
    */
   public function __construct(PrivateKey $private_key, Settings $settings) {
-    $this->privateKey = $private_key;
-    $this->settings = $settings;
+    $this->privateKey = $private_key->get();
+    $this->hashsalt = $settings->getHashSalt();
   }
 
   /**
@@ -66,7 +66,7 @@ public function __construct(PrivateKey $private_key, Settings $settings) {
    * @see \Drupal\Core\Session\SessionManager::start()
    */
   public function get($value = '') {
-    return Crypt::hmacBase64($value, session_id() . $this->privateKey->get() . $this->settings->getHashSalt());
+    return Crypt::hmacBase64($value, session_id() . $this->privateKey . $this->hashSalt);
   }
 
   /**