Oracle Database B10772-01 Administrator's Manual page 245

A dialog panel warns you that your user certificate will no longer be
verifiable by its recipients if you remove the trusted certificate that was
used to sign it.
Choose Yes. The selected trusted certificate is removed from the Trusted
3.
Certificates tree.
Exporting a Trusted Certificate
To export a trusted certificate to another file system location:
In the left panel subtree, select the trusted certificate that you want to
1.
export.
Select Operations > Export Trusted Certificate.... The Export Trusted
2.
Certificate dialog box appears.
Enter a file system directory in which you want to save your trusted
3.
certificate, or navigate to the directory structure under Folders.
Enter a file name to save your trusted certificate.
4.
Choose OK. You are returned to the Oracle Wallet Manager main window.
5.
Exporting All Trusted Certificates
To export all of your trusted certificates to another file system location:
Choose Operations > Export All Trusted Certificates.... The Export Trusted
1.
Certificate dialog box appears.
Enter a file system directory location where you want to save your trusted
2.
certificates, or navigate to the directory structure under Folders.
Enter a file name to save your trusted certificates.
3.
Choose OK. You are returned to the Oracle Wallet Manager main window.
4.
Managing Certificates
Using Oracle Wallet Manager 8-27