Updating Encryption You can update encryption by rotating the customer-managed key and re-encrypting the cluster. Also, you can switch to an Oracle-managed encryption key. See the following: Rotating Customer-Managed Keys Switching Between Customer-Managed Keys Switching Back to Oracle-Managed Encryption Keys Switching From Oracle-Managed Key to a Customer-Managed Key
Updating Encryption You can update encryption by rotating the customer-managed key and re-encrypting the cluster. Also, you can switch to an Oracle-managed encryption key. See the following: Rotating Customer-Managed Keys Switching Between Customer-Managed Keys Switching Back to Oracle-Managed Encryption Keys Switching From Oracle-Managed Key to a Customer-Managed Key