Encryption Management Server cannot import certificates that use the ECDSA (Elliptic Curve Digital Signature Algorithm):
Symantec Encryption Management Server 10.5 and above.
Please use a certificate that uses the RSA signature algorithm:
Broadcom is committed to product quality and satisfied customers. This issue is currently being considered by Broadcom to be addressed in a forthcoming version or Maintenance Pack of the product. Please be sure to refer back to this article periodically as any changes to the status of the issue will be reflected here.
ISFR-1812