You are trying to Import a certificate in Aria Suite Lifecycle Locker but run into an error
Certificate chain in invalid. First certificate should be an end-entity certificate
Supplied key does not associated with certificate
Aria Suite Lifecycle 8.x
Certificate is not in the correct PEM format
VMware products require certificates in .pem format. Ensure your certificate is in the correct PEM format, as shown in the example below (without the actual certificate and key details), and then import it into the Aria Suite Lifecycle Locker.
-----BEGIN CERTIFICATE-----
Your Primary TLS/SSL certificate: your_domain_name.crt
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
Your Intermediate certificate: Intermediate.crt
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
Your Root certificate: TrustedRoot.crt
-----END CERTIFICATE-----
For more information refer https://docs.vmware.com/en/VMware-vRealize-Suite-Lifecycle-Manager/8.10/com.vmware.vrsuite.lcm.8.10.doc/GUID-C1FE1310-1D8B-425C-9B45-F1307A55CBAF.html