eywords content="microservices,services,mesh,security,PKI,certificate,Citadel"><meta property="og:title" content="Extending Istio Self-Signed Root Certificate Lifetime"><meta property="og:type" content="website"><meta property="og:description" content="Learn how to extend the lifetime of Istio self-signed root certificate."><meta property="og:url" content="/v1.20/blog/2019/root-transition/"><meta property="og:image" content="https://raw.githubusercontent.com/istio/istio.io/master/static/img/istio-social.png