You can control the binding of the user to the certificate.
您可以控制用户到证书的绑定。
2
You control the binding of the user to the certificate.
您控制用户和证书的绑定。
3
This can be done via a digital certificate published in X.509 V3 format (assuming, of course, the vendor has complete controlof the certificate and unauthorized people don't have it).