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A new structure and access mechanism for secure and efficient xml data broadcast in mobile wireless networks

JOURNAL OF SYSTEMS AND SOFTWARE 2017年 125卷 119-132页

作者： Safabahar, Babak Mirabi, Meghdad Iran Univ Sci & Technol Sch Comp Engn Tehran Iran Islamic Azad Univ South Tehran Branch Dept Comp Engn Fac Engn Tehran Iran

Recently, the use of xml for data broadcasting in mobile wireless networks has gained many attentions. One of the most essential requirements for such networks is data confidentiality. In order to secure xml data broadcast in mobile wireless networks, mobile clients should obey a set of access authorizations specified on the original xml document. In such environments, mobile clients can only access authorized parts of encrypted xml stream based on their access authorizations. Several indexing methods have been proposed in order to have selective access to xml data over the xml stream. However, these indexing methods cannot be used for encrypted xml data. In this paper, we define a new structure for xml stream which supports data confidentiality of xml data over the wireless broadcast channel. We also define an access mechanism for our proposed structure to efficiently process xml queries over the encrypted xml stream. The experimental results demonstrate that the use of our proposed structure and access mechanism for xml data broadcast efficiently disseminates xml data in mobile wireless networks. (C) 2016 Elsevier Inc. All rights reserved.

关键词： secure xml data broadcast xml access control xml query processing xml stream

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