/technologies/industrial-automation-space/b/blog/posts/connect-to-avnet-iotconnect-io-with-node-red---part-8b-safer-connect-with-ca-certificatesAVNET&#39;s iotconnect.io cloud platform is an online service that you can use to send data to, and then show it on a dashboard. In this blog series I&#39;m learning how to talk to it with Node-RED.In this post: authentication with a CA generated certificateen-USTelligent Community 12https://community.element14.com/technologies/industrial-automation-space/b/blog/posts/connect-to-avnet-iotconnect-io-with-node-red---part-8b-safer-connect-with-ca-certificatesSat, 10 Apr 2021 18:50:38 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:bb8c049b-7143-4889-8e44-41a49f9b1e7fJan Cumps1<p>Today I learned how to generate an intermediate CA.</p><p>It is a certificate that can be used to create new certificates (e.g.: for IoT Things), but is not your root certificate.</p><p>&nbsp;</p><p>If you outsource the programming of your devices to a 3rd party, you can make an intermediate certificate for that particular subcontracter.</p><p>You don&#39;t have to share your root private key or password with them.</p><p>&nbsp;</p><p>The subcontracter can then generate the key-and-certificate pair for each device they program.</p><p>There is traceability: it can be checked what intermediate certificate was used to create it.</p><img src="https://community.element14.com/aggbug?PostID=11117&AppID=141&AppType=Weblog&ContentType=0" width="1" height="1">