2.5.5.1 Authenticate Client Identity to a Kerberos Authentication Server

The following diagram illustrates protocol interactions to authenticate a client user or computer identity to a Kerberos authentication server described in the following subsections. The Kerberos client that plays the role of the Authentication Client initiates this use case with the goal of authenticating user/computer identity to the Authentication Authority (AA): the KDC, specifically the Kerberos Authentication Server (AS).

Figure 24: Authentication of a client user identity to a Kerberos Authentication Server