I would think they would work. We use SAN certs and they seem to work fine...
Thank you. Is your EBS environment 12.2 or 12.1.x?
1. Wild card certificates(*.domain.com) are not supported by Oracle wallet Manager
- Reference: Could Not Create Certificate Request" When Generating Certificate Request Using Wildcard Certificates in OWM (Doc ID 1303387.1)
2. Certificate which is having SHA 2 (256) algorithm also not supported by AS10gR3
-Reference: Unable to Import a Certificate In Wallet Manager With SHA2 Algorithms (Doc ID 944062.1)