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Efficient Strong Privacy-Preserving Conjunctive Keyword Search Over Encrypted Cloud Data. (arXiv:2203.13662v2 [cs.CR] UPDATED)
Sept. 23, 2022, 1:24 a.m. | Chang Xu, Ruijuan Wang, Liehuang Zhu, Chuan Zhang, Rongxing Lu, Kashif Sharif
cs.CR updates on arXiv.org arxiv.org
Searchable symmetric encryption (SSE) supports keyword search over outsourced
symmetrically encrypted data. Dynamic searchable symmetric encryption (DSSE), a
variant of SSE, further enables data updating. Most DSSE works with conjunctive
keyword search primarily consider forward and backward privacy. Ideally, the
server should only learn the result sets involving all keywords in the
conjunction. However, existing schemes suffer from keyword pair result pattern
(KPRP) leakage, revealing the partial result sets containing two of query
keywords. We propose the first DSSE scheme …
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