对物联网应用领域面临的主要问题进行了研究,指出了物联网安全的现状.分析了物联网安全需求方面的特点,对于不同的安全问题给出了相应的安全解决对策.利用基于本体的跨域授权管理模型,解决物联网中不同主体授权难的问题.该问题的解决对物联网应用领域的安全起到了保障作用.%The main problems existing in Internet of things (IoT) application field are analyzed, and the current safety status of IoT is pointed out. The features of security demand for IoT is analyzed, and the relevant solutions to various security problems are given. By adopting the ontology-based cross-domain authorization management model, the difficulty for authorization of different main subject is solved, and the security of the application field for IoTs is guaranteed.
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