关键字域可变的可验证密文检索

doi:10.3969/j.issn.1001-2400.2017.01.010

Abstract

Abstract:

The latest searchable encryption (SE) technique allows cloud clients to conduct the search query over ciphertext according to keywords. However, the malicious cloud service provider (CSP) may return incorrect or forged search results which lead to data integrity compromises in practical applications, and most of existing SE schemes has a fixed keyword-field. To solve these problems, this paper devises a cryptographic primitive called verifiable search after encrypted data with the variable keyword-field scheme through an asymmetric bilinear map. Formal security analysis proves that our scheme can guarantee data confidentiality and integrity simultaneously, and resist the chosen keyword attack. Furthermore, experimental results over the real-world dataset show that our scheme is feasible in practice.

MIAO Yinbin;MA Jianfeng;LIU Zhiquan;WEI Fushan;WANG Xu'an. Verifiable search over encrypted data with a variable keyword-field[J].Journal of Xidian University, 2017, 44(1): 52-58.

References

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Verifiable search over encrypted data with a variable keyword-field

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