TSS CHKCERT DCDSN(datasetname) PKCSPASS(password)
TSS0945I INVALID OR MISSING PASSWORD - PKCSPASS
TSS0301I CHKCERT FUNCTION FAILED, RETURN CODE = 4
The password is correct.
Openssl 3.x was used to create the certificate.
When exporting the certificate from OpenSSL 3.x, need to specify "-legacy" and "-descert" on the export command.