diff --git a/system/apparatus.cpp b/system/apparatus.cpp
index a75dbfb..2c3f0d6 100644
--- a/system/apparatus.cpp
+++ b/system/apparatus.cpp
@@ -34,6 +34,8 @@ apparatus::apparatus() {
 }
 
 apparatus::~apparatus() {
+    this->shutdown();
+
     if (this->_bin_file) {
         this->_bin_file->flush();
         this->_bin_file->close();
@@ -54,6 +56,14 @@ bool apparatus::isFirstRun() {
     return QFile(apparatus::filename).exists();
 }
 
+const auth_system& apparatus::get_auth_subsystem() {
+    return this->_auth_system;
+}
+
+const object_system& apparatus::get_object_subsystem() {
+    return this->_object_system;
+}
+
 void apparatus::init() {
     apparatus::_instance = new apparatus();
 }
@@ -81,9 +91,11 @@ void apparatus::loadGIDS() {
 }
 
 void apparatus::serialize_data() {
-
+    this->_auth_system.init(this->stream);
+    this->_object_system.init(this->stream);
 }
 
 void apparatus::deserialize_data() {
-
+    this->_auth_system.shutdown(this->stream);
+    this->_object_system.shutdown(this->stream);
 }
diff --git a/system/apparatus.h b/system/apparatus.h
index 6fcbe75..cf7e85a 100644
--- a/system/apparatus.h
+++ b/system/apparatus.h
@@ -1,6 +1,9 @@
 #ifndef APPARATUS_H
 #define APPARATUS_H
 
+#include "auth_system.h"
+#include "object_system.h"
+
 #include <QString>
 #include <QFile>
 #include <QDataStream>
@@ -18,6 +21,9 @@ private:
     QFile *_bin_file;
     QDataStream stream;
 
+    auth_system _auth_system;
+    object_system _object_system;
+
     void open_reading_stream();
     void open_writing_stream();
     void close_stream();