This issue is resolved in Object Storage Extension 2.2.2 found at Broadcom Downloads .
If you cannot upgrade, please review the Workaround section below.
Workaround:
If you are not in a position to upgrade Object Storage Extension, you will need to downgrade the version of OpenSSL used to generate the certificate.
Once you are using a version 1.x or less, revisit the steps in the documentation to export and import the certificate into Object Storage Extension.
Install VMware Cloud Director Object Storage Extension