The GSS-API does not define a way to get credentials. For this reason, the IBM® JGSS Kerberos mechanism requires that the user obtain Kerberos credentials. This topic instructs you on how to obtain Kerberos credentials and create secret keys, and about using JAAS to perform Kerberos logins and authorization checks and review a list of JAAS permissions required by the Java™ virtual machine (JVM).
You can obtain credentials by using one of the following methods: