Please refer to this video for instructions on how to configure ControlPoint to work with SSL. Otherwise, you may refer to the steps below:
a. On the ControlPoint application page, click Manage > ControlPoint Configuration > Manage Farm List.
b. Make sure the Farm URL matches the HTTPS URL for ControlPoint. If not, check the box next to it, click Edit and enter the correct HTTPS URL.
a. Change uncommented instances of TransportCredentialOnly to Transport.
b. Change uncommented instances of httpGetEnabled to httpsGetEnabled.
c. Change uncommented instances of httpTransport to httpsTransport.
d. Repeat the process for all WFE servers.