
2.3.5 Identification and Authentication Service
Figure 20. Identification and Authentication Service
Key Points
Identification and authentication provides the basis for all additional security
services.
Presentation Script
Identification and Authentication (I&A) facilities verify the identity of entities. The
basic function uniquely identifies users and programs, verifies these identities,
and assures individual accountability. Authentication may be single
authentication, for an individual user to the system, mutual authentication of
peers, such as two party authentication for distributed applications, or three
party authentication when dealing with local ...