Computer Engineering & Science ›› 2022, Vol. 44 ›› Issue (11): 1941-1950.
• Computer Network and Znformation Security • Previous Articles Next Articles
NIU Shu-fen,ZHANG Mei-ling,ZHOU Si-wei,YAN Sen
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Abstract: The data of lightweight devices are mostly stored in the cloud server. Because the cloud service is not completely trusted, and the traditional single keyword searchable encryption will produce a lot of information irrelevant to the retrieved content, this paper proposes a ciphertext verifiable attribute based searchable encryption scheme for mobile terminals. The scheme combines CP-ABE technology to control access granularity, introduces a trusted third party entity to verify data integrity, and help users to partially decrypt data. The scheme is proved to be selectively indistinguishable ciphertext strategy and selective plaintext attack and indistinguishable selective keyword attack under the assumption of difficult problems. Theoretical analysis and numerical simulation show that this scheme has higher efficiency.
Key words: searchable encryption, attribute-based encryption, ciphertext verifiable, fine-grained access control
NIU Shu-fen, ZHANG Mei-ling, ZHOU Si-wei, YAN Sen. A ciphertext verifiable attribute-based searchable encryption scheme for mobile terminals[J]. Computer Engineering & Science, 2022, 44(11): 1941-1950.
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http://joces.nudt.edu.cn/EN/Y2022/V44/I11/1941