</code></td>
<td>The TTL of self-signed CA root certificate.</td>
</tr>
<tr id='citadel-self-signed-ca-rsa-key-size'>
<td><a href='#citadel-self-signed-ca-rsa-key-size'><code>CITADEL_SELF_SIGNED_CA_RSA_KEY_SIZE</code></a></td>
<td>Integer</td>
<td><code>2048</code></td>
<td>Specify the RSA key size to use for self-signed Istio CA certificates.</td>
</tr>
<tr id='citadel-self-signed-root-cert-check-interval'>
<td><a href='#citadel-self-signed-root-cert-check-interval'><code>CITADEL_SELF_SIGNED_ROOT_CERT_CHEC