TLS Deep-Dive</a></p><p class=desc>Shows you how to verify and test Istio's automatic mutual TLS authentication.</p></div></div></div></div></main><div class="container-fluid d-print-none"><br><div class=row><div class="col-6 pagenav"><p><a title="Shows how operators can configure Citadel with existing root certificate, signing certificate and key." href=/v1.0/docs/tasks/security/plugin-ca-cert/><i class="fa fa-long-arrow-alt-left"></i>Plugging in external CA key and certificate</a></p></div><div class="col