CP-ABE with Hidden Policy from Waters Efficient Construction
CP-ABE with Hidden Policy from Waters Efficient Construction
复制标题
带有沃特世高效建设隐性政策的CP-ABE
DOI:
10.1155/2016/3257029
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发表时间:
2016-01
影响因子:
2.3
通讯作者:
He Mingjun
中科院分区:
文献类型:
--
作者:
Wang Zhiwei;He Mingjun
ABE provides a good way for access controlling in cloud computing. However, in many application scenarios, access policies for encryption also should be protected since they may directly contain sensitive information. For example, in smart grid, the access policies may contain the private information about underlying data, data owner or the data recipients, and disclosing some sensitive access policies could result in negative publicity, or loss of market revenue. In this paper, we present a CP-ABE scheme with hidden policy from Waters efficient construction. In our scheme, the access policy is hidden by using the composite order bilinear groups and can be expressed with LSSS. Our scheme is proved CPA secure under four statics assumptions.
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