Abstract
To solve the problems of data sharing in social network, such as management of private data is too loose, access permissions are not clear, mode of data sharing is too single and soon on, we design a hierarchical access control scheme of private data based on attribute encryption. First, we construct a new algorithm based on attribute encryption, which divides encryption into two phases, and we can design two types of attributes encryption strategy to make sure that different users could get their own decryption keys corresponding to their permissions. We encrypt the private data hierarchically with our algorithm to realize “precise”, “more accurate”, “fuzzy” and “private” four management modes, then users with higher permissions can access the private data inferior to their permissions. And we outsource some complex operations of decryption to DSP to ensure high efficiency on the premise of privacy protection. Finally, we analyze the efficiency and the security of our scheme.
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Acknowledgments
This work is supported by National Natural Science Foundation of China (61572521), Project funded by China Postdoctoral Science Foundation (2014M562445, 2015T81047).
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Lin, X., Han, Y. (2017). Hierarchical Access Control Scheme of Private Data Based on Attribute Encryption. In: Zou, B., Li, M., Wang, H., Song, X., Xie, W., Lu, Z. (eds) Data Science. ICPCSEE 2017. Communications in Computer and Information Science, vol 727. Springer, Singapore. https://doi.org/10.1007/978-981-10-6385-5_19
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DOI: https://doi.org/10.1007/978-981-10-6385-5_19
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