d: | base64 --decode &gt; alb_certs/client.crt
$ ls -al alb_certs
-rw-r--r--   1 user  staff  3738 Sep 11 07:57 client.crt
-rw-r--r--   1 user  staff  1675 Sep 11 07:57 client.key</code></pre></li><li><p>Download the issuer certificate of the <a href=https://letsencrypt.org>Let&rsquo;s Encrypt</a> certificate, which is the
issuer of the certificates provided by IKS. You specify this certificate as the certificate of a certificate
authority to trust, for both the ALB and the Istio ingress gateway.</p><pre><c