Oracle8i CORBA Developer's Guide and Reference Release 3 (8.1.7) Part Number A83722-01 |
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## Authentication

Authentication is the process where one party supplies to a requesting party information that identifies itself. This information guarantees that the originator is not an imposter. In the client/server distributed environment, authentication can be required from the client or the server:

- Server-side authentication--The server sends identifying information to authenticate itself. The client uses this information to verify that the server is itself and not an imposter. If you request SSL, the server will always send certificate-based authentication information.

- Client-side authentication--For the same reasons, the client sends identifying information to the server, which includes either a username/password combination or certificates. Since the client is logging on to a database, the client must always authenticate itself to the database.

- Callout authentication--The server initiates a call to another object. This causes the server to act as a client; as such, the server cannot use the database authentication information, but must provide information and authenticate itself as an independent party.

- Callback authentication--The server is given either a CORBA IOR or an EJB handle for calling back to an object that exists on the client. In this scenario, the server is acting as a client; as such, the server cannot use the database authentication information, but must provide information and authenticate itself as an independent party.

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