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Nowadays, users can move, deposit and withdraw the resources of network wantonly. That is due to the wireless network which is flourishing, and the hold-device which is more and more popular. The traditional net is lack of considering user's moving states and information. So it will cause a lot of loopholes and incidents of security. In this paper, we propose a security management scheme for heterogeneous...
A primary problem for the security of web service is how to precisely express and match the security policy of each participant that may be in different security domain. Presently, most schemes use syntactic approaches, where pairs of policies are compared for structural and syntactic similarity to determine compatibility, which is prone to result in false negative because of lacking semantics. In...
Key predistribution is one of the most challenging issues for secure communication in wireless sensor networks. But most of existing schemes are not scalable due to their linearly increased communication and key storage overhead. Furthermore, these protocols cannot provide sufficient security when the number of compromised nodes exceeds a critical value. In this paper, we propose a polynomial-based...
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