Modeling and Combining Access Control Policies Using Constrained Policy Graph (CPG)
نویسندگان
چکیده
منابع مشابه
A model for specification, composition and verification of access control policies and its application to web services
Despite significant advances in the access control domain, requirements of new computational environments like web services still raise new challenges. Lack of appropriate method for specification of access control policies (ACPs), composition, verification and analysis of them have all made the access control in the composition of web services a complicated problem. In this paper, a new indepe...
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With the growth of Enterprises and organizations, the paper-based systems are replaced with software systems. These software systems are built to support a multitude of users with a variety of roles accessing the resources from anywhere and at any time. These operations are regulated through proper definition of Access control policies (Permissions); this plays a major role in protecting the sy...
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Access control is the process of mediating every request to data and services maintained by a system and determining whether the request should be granted or denied. Expressiveness and flexibility are top requirements for an access control system together with, and usually in conflict with, simplicity and efficiency. In this paper, we discuss the main desiderata for access control systems and i...
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To facilitate managing access control in a system, security officers increasingly write access control policies in specification languages such as XACML, and use a dedicated software component called a Policy Decision Point (PDP). To increase confidence on written policies, certain types of policy testing (often in an ad hoc way) are usually conducted, which probe the PDP with some typical requ...
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ژورنال
عنوان ژورنال: Journal of Applied Sciences
سال: 2008
ISSN: 1812-5654
DOI: 10.3923/jas.2008.3561.3571