amend responseHeader

src/MetaTech/PwsAuth/Authenticator.php

@@ -209,6 +209,31 @@ class Authenticator
         return new Token($this->config['type'], $key, $date, $tokenValue, $noise);
     }
 
+    /*!
+     * @method      generateResponseHeader
+     * @public
+     * @param       MetaTech\PwsAuth\Token  $token
+     * @return      str
+     */
+    public function generateResponseHeader(Token $token)
+    {
+        return hash(
+            self::DEFAULT_ALGO, 
+            $this->formatDate($token->getDate()) . $this->getUserSalt('') . $token->getValue()
+        );
+    }
+
+    /*!
+     * @method      checkResponseHeader
+     * @public
+     * @param       MetaTech\PwsAuth\Token  $token
+     * @return      bool
+     */
+    public function checkResponseHeader(Token $token, $responseToken)
+    {
+        return $this->generateResponseHeader($token) == $responseToken;
+    }
+
     /*!
      * @method      generateHeader
      * @public