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清华大学学报(自然科学版)  2021, Vol. 61 Issue (11): 1228-1233    DOI: 10.16511/j.cnki.qhdxxb.2020.22.45
  漏洞分析与风险评估 本期目录 | 过刊浏览 | 高级检索 |
基于语义的多用户高效搜索方案
曹来成, 吴琪瑞, 王娅菲, 吴蓉, 郭显
兰州理工大学 计算机与通信学院, 兰州 730050
Efficient semantic-based multiuser search scheme
CAO Laicheng, WU Qirui, WANG Yafei, WU Rong, GUO Xian
School of Computer and Communication, Lanzhou University of Technology, Lanzhou 730050, China
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摘要 针对当前可搜索加密云存储技术主要侧重于多关键词、多用户可搜索云存储机制的研究,而忽略了语义对用户搜索结果的作用,提出一种基于语义的多用户高效搜索(ESBMS)方案:选用2个不同的云服务器,其中一个用于存储加密的数据文档,而另一个用于存储语义树密文,并为请求搜索的数据用户产生陷门和进行陷门匹配计算;通过向采用陷门策略的云服务器发送语义树进行搜索来减少服务器负载,而语义树在发送时已被加密,以确保其关键信息安全。结果表明:该方案具有完备性、语义隐私性和抗共谋攻击能力。与目前相关方案相比,该方案具有高效性。
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曹来成
吴琪瑞
王娅菲
吴蓉
郭显
关键词 可搜索加密语义树多用户云存储    
Abstract:Current cloud storage searchable encryption schemes have mostly been developed for multiuser environments with multi-keyword searches, but research on these schemes have not considered the influence of the semantics on the search results. This paper presents an efficient semantic-based multiuser search scheme using two cloud servers to ensure efficient searches. One cloud server matches the trapdoor and generates results that match the semantics while the other searches for the most relevant files and returns them to the user. This coordination reduces the server load by sending the semantic tree search to the cloud server which uses the trapdoor strategy. The semantic tree is encrypted to ensure the key information security. Tests show that this scheme is effective, resists the collusion attack, provides semantic privacy, and is more efficient than current related schemes.
Key wordssearchable encryption    semantic tree    multiuser    cloud storage
收稿日期: 2020-11-19      出版日期: 2021-10-19
基金资助:国家自然科学基金资助项目(61562059,61461027)
引用本文:   
曹来成, 吴琪瑞, 王娅菲, 吴蓉, 郭显. 基于语义的多用户高效搜索方案[J]. 清华大学学报(自然科学版), 2021, 61(11): 1228-1233.
CAO Laicheng, WU Qirui, WANG Yafei, WU Rong, GUO Xian. Efficient semantic-based multiuser search scheme. Journal of Tsinghua University(Science and Technology), 2021, 61(11): 1228-1233.
链接本文:  
http://jst.tsinghuajournals.com/CN/10.16511/j.cnki.qhdxxb.2020.22.45  或          http://jst.tsinghuajournals.com/CN/Y2021/V61/I11/1228
  
  
  
  
  
  
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