一种基于云存储的多服务器多关键词可搜索加密方案

黄海平; 杜建澎; 戴华; 王汝传

doi:10.11999/JEIT160338

一种基于云存储的多服务器多关键词可搜索加密方案

doi: 10.11999/JEIT160338

基金项目:

国家自然科学基金(61373017, 61373138, 61300240, 61672297)，国家博士后基金(2015M570468, 2016T90485)，江苏省自然科学基金(BK20151511)，江苏省六大人才高峰项目(DZXX- 017)，江苏省无线传感网高技术研究重点实验室基金(WSNLBZY 201516)，江苏省研究生培养创新工程项目(KYLX15_0853)

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出版历程
- 收稿日期: 2016-04-07
- 修回日期: 2016-09-01
- 刊出日期: 2017-02-19

Multi-sever Multi-keyword Searchable Encryption Scheme Based on Cloud Storage

Funds:

The National Natural Science Foundation of China (61373017, 61373138, 61300240, 61672297), The National Postdoctoral Foundation of China (2015M570468, 2016T90485), The Natural Science Foundation of Jiangsu Province (BK20151511), The Six Major Talent Peak Foundation in Jiangsu Province (DZXX-017), The High Technology Research Key Laboratory of Wireless Sensor Network Foundation of Jiangsu Province (WSNLBZY 201516), The Graduate Education Innovation Project of Jiangsu Province (KYLX15_0853)

摘要

摘要: 在可搜索加密的云服务中，数据拥有者往往更希望将数据文件以密文的形式分别存储到多个云服务器，从而提高授权用户对云端数据的检索效率以及对大型数据的处理能力。基于此，该文提出一种基于云存储的多服务器多关键词多用户可搜索加密方案，该方案被证明是IND-CKA(adaptive Chosen Keyword Attack)安全的，且同时具备关键词陷门的安全性。相对于单服务器可搜索加密，该方案在保证数据机密性的前提下能够对其进行高效检索，并能够在关键字索引中不完全包含所检索的多个关键词或者不存在某个文件包含所有被检索的多个关键词的情况下，更精确地进行检索。
- 可搜索加密 /
- 云存储 /
- 多服务器 /
- 多关键词
Abstract: In the searchable encryption services provided by cloud severs, data owners expect that their data files can be partitioned and stored to multiple cloud severs with the form of ciphertext, so as to improve the searching efficiency of authorized users and the processing ability of big data. For this issue, a multi-sever multi-keyword searchable encryption scheme is proposed based on cloud storage, and the proposed scheme is proved to be IND-CKA (adaptive Chosen Keyword Attack) secure coexisting with the secure trapdoor. Compared with the single sever searchable encryption, the proposed scheme can not only guarantee the data security, but also provide more accurate retrieval service when the keyword index or any one file does not contain all of the searching keywords.
- Searchable encryption /
- Cloud storage /
- Multi-sever /
- Multi-keyword

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