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Decentralized information flow control (DIFC) is a key innovation of traditional information flow control (IFC). When compared with IFC, DIFC provides new features including decentralized declassification, taint-tracking and privilege-transferring. These characteristics make DIFC more applicable than traditional IFC to the control of information flows in systems. This paper presents an optimal approach...
According to the requirements of effective, credible and controllable for Attack Resistant Test, a standard structure of overflow attacks, and a new method to realize the overflow attacks were built in the paper. By analyzing the characteristics of the process to realize overflow attacks, we extract the attack elements of overflow attacks. Based on the general description of the overflow attack process,...
Along with the development of information technology, the demand on uniformly enforcing authentication and authorization for multiple organizational applications is increasing. However, it is challenging for original applications to integrate with an uniform authorization infrastructure because each of them has respective separate logic. To solve this problem, in this paper, an approach of enforcing...
Policy composition is an essential requirement of grid access control, not only because of the integrity of local and global policies, but also the dynamic collaboration under jointly controlled policies among multiple partners across different domains. In this paper, we propose an algebra for compositing attribute-based access control policies. Traditional arithmetic operators are extended and semantically...
Along with the development of the Internet and strengthening of network protocol, it becomes more and more difficult to monitor network. And some sensitive information has been leaked outside the application environment. A major problem with current security monitoring is the large number of newly emerging applications using more complicated communication structures and patterns than traditional applications...
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