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Vehicular Ad hoc NETworks (VANETs) as the basic infrastructure can facilitate applications and services of connected vehicles (CVs). Cognitive radio (CR) technology is an effective supplement and enhancement for VANETs. It can reduce the impact of deficiency of spectrum resource in VANETs. Although CR-VANETs can utilize the unused licensed spectrum effectively, the distributed nature of CR-VANETs...
Symbolic Execution based defect discovery techniques for binary programs are now widely applied. However, because of the path explosion problem, it's still not applicable for security analysis on large programs. A great many infeasible paths in the target program also reduce the performance. To fast generate test cases reaching the potentially vulnerable program points, this paper introduces constraints...
This article discusses the development of monitoring system about the security situation in coal production and coal mining. In order to solve the problem of coal mine monitoring systems and self-management of coal enterprises, Adopt the Socket communication mechanism based on TCP protocol, design the Real-time monitoring and development of a WEB-based remote coal mine gas monitoring system. The test...
Grid computing technique is a mature technique for distributed-data computing and processing. Scientific workflow (SWF) technique is one of the most important parts of grid computing and typically used for job scheduling, distributed services invocation and distributed data processing. However, rare previous literatures studied the security issues of SWF in the design of scientific workflow though...
Security is one of the most important issues in grid computing. Therefore it is an inevitable function in most kinds of grid middleware to ensure the security of resource access. Efforts of this literature focus on file security in grid system. An architecture for file scan and monitoring is proposed on top of OGSA-based grid middleware as well as NFS, for the purpose of preventing the spread of virus...
A static vulnerability detection method based on an extended vulnerability state machine is proposed in this paper. In this method, the state space of state machine model is extended. The security state of a variable can be identified by a property set that may consist of multiple security-related properties rather than a single property. As results, fine-grained state transition is provided to support...
This article puts forward a method to access the data and analyzed results from the monitoring system of environment based on WSN with the B/S mode. It resolves the problem of low speed of page refresh with Ajax. The experiment shows that the partial refresh feature of Ajax can make it possible for the users to get access to the data and analyzed results easily through the browser, and experience...
An in-vehicle anti-theft approach, named GIVAC (group identification of in-vehicle anti-theft component), is proposed. The approach proposes that each valuable appliance should be integrated with an GIVAC component which will not enable the functions of the appliances if it should find itself is illegally moved to another car. Each GIVAC-enabled appliance would authenticate itself with the authorized...
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