d=endnotes-container aria-hidden=true><h2>链接</h2><ol id=endnotes></ol></div></div><div class=toc-container><nav class=toc aria-label="Table of Contents"><div id=toc><ol><li role=none aria-label=背景知识><a href=#background>背景知识</a><li role=none aria-label=解决方案：增强的服务身份和验证><a href=#solution-strong-service-identity-and-authentication>解决方案：增强的服务身份和验证</a><ol><li role=none aria-label=强身份认证><a href=#strong-identity>强身份认�