session.certificate

• 类型：<Object> | <undefined>

本地证书作为一个具有属性的对象，例如 subject、issuer、valid_from、valid_to、fingerprint 等。如果会话被销毁或没有可用的证书，则返回 undefined。

🌐 The local certificate as an object with properties such as subject, issuer, valid_from, valid_to, fingerprint, etc. Returns undefined if the session is destroyed or no certificate is available.