当发起者(客户机)没有证书而是使用用户ID和口令进行验证身份时，就可以使用LIPKEY机制。

The LIPKEY mechanism can be used when the initiator (client) does not have a certificate and instead USES a user ID and password for authentication.

youdao

对于口令不应当修改的测试来说，需要进行验证，真正检验没有修改口令。

For tests where a password shouldn't change, verification is required to truly verify an unchanged password.

youdao