The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Analysis the concept of constraints and diversity of security access control model. According to actual demand, we describe the user-role, user-session, role-session cardinality constraints of the ANSI RBAC model. The differences between static and dynamic cardinality constraints are also represented particularly. An extended model is established including cardinality constraints. In order to support...
With concern of the current research results as well as the features of the demands for access control of the Web-based application system, this paper, first of all, raises a context constraint access control theory model on the level of standard reference model, from the perspective of flexibility, generality, clarity and easy to realize, and elaborates on the theory of this model and the architecture...
The characteristics of delegation are analyzed and defined in this paper, including time, totality, level, multi-delegation, agreement and revocation. Based on RBAC, an extended role and permission-based delegation model is redefined by separating delegate roles from original roles. Security administrators (SAs) and ordinary users have different functions and duties in the authorization and delegation...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.