ta?</a></li><li class="chapter-item expanded "><a href="../../chapter_13/13.1/13.1.2.html"><strong aria-hidden="true">13.1.2.</strong> Basic Requirements for IoT Device Data Security</a></li></ol></li><li class="chapter-item expanded "><a href="../../chapter_13/13.2/index.html"><strong aria-hidden="true">13.2.</strong> Data Integrity Protection</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="../../chapter_13/13.2/13.2.1.html"><strong aria-hidden="true">13.2.1.</strong> Introducti