Upload an authentication CA
In DigiCert® IoT Trust Manager, an authentication CA is the issuing CA for a certificate that a device uses to authenticate itself when making a certificate request.
In DigiCert ONE, in the Manager menu (top right), select IoT Trust.
In the IoT Trust Manager menu, select Enrollment configurations > Authentication CA.
Select Upload new authentication CA.
Add the authentication CA in .pem format and select Finish.
Repeat as needed.
What's next
Create an authentication CA template for the enrollment profile that requires device authentication.