Access Control Systems: Security, Identity Management and by Messaoud Benantar

By Messaoud Benantar

Access keep watch over platforms: safety, id administration and belief Models offers a radical creation to the principles of programming structures defense, delving into id administration, belief versions, and the idea in the back of entry keep an eye on versions. The e-book info entry regulate mechanisms which are rising with the most recent net programming applied sciences, and explores all versions hired and the way they paintings. the most recent role-based entry keep an eye on (RBAC) normal can also be highlighted.

This certain technical reference is designed for safety software program builders and different safety pros as a source for surroundings scopes of implementations with appreciate to the formal types of entry regulate structures. The e-book can be appropriate for advanced-level scholars in safety programming and process design.

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Example text

Access attempts to resources are automatically intercepted by the respective resource manger in order to decide whether to grant or deny access. Examples include database management systems such as IBM's DB2, transaction monitors, Web servers, and more recently Web application servers (WAS) such as IBM's Websphere as well as various network file systems. Advantages of this method include the ease of portability of such programming systems to different operating-system platforms as well as the transparency of access-control functionality to application developers.

8 depicts the approach to middleware-based reference-monitor enforcement. Application-based reference monitor Each application is the sole responsible for the invocation of access-control services. Application developers are required to program to the mechanisms implementing the reference monitor. The latter may be provided by an underlying middleware subsystem or can be a system wide reference monitor. Although not so widely adopted, in some cases the reference monitor is also part of the application.

Due to its sensitivity, a security context is always protected from modification by users and system subcomponents. While some systems may not put any time limit on the use of a security context, others limit its lifetime to a relatively short period of time after which the context is required to be refreshed if it is to remain in use. The security context of an entity is sometimes referred to as an authentication credential. Security contexts should apply uniformly to all of the processes and address spaces that may be active in a system.

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