通信学报 ›› 2013, Vol. 34 ›› Issue (7): 143-153.doi: 10.3969/j.issn.1000-436x.2013.07.016

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云计算环境下密文搜索算法的研究

项菲1,2,刘川意2,3,方滨兴1,2,王春露1,2,钟睿明1,2   

  1. 1 北京邮电大学 计算机学院,北京100876;
    2 北京邮电大学 可信分布式计算与服务教育部重点实验室,北京100876;
    3 北京邮电大学 软件学院,北京100876
  • 出版日期:2013-07-25 发布日期:2017-06-24
  • 基金资助:
    国家自然科学基金资助项目;国家科技重大专项基金资助项目

Research on ciphertext search for the cloud environment

Fei XIANG1,2,Chuan-yi LIU2,3,Bin-xing FANG1,2,Chun-lu WANG1,2,HONGRui-ming Z1,2   

  1. 1 School of Computer Science, Beijing University of Posts and Telecommunications, Beijing 100876, China;
    2 Key Laboratory of Trustworthy Distributed Computing and Service of the Ministry of Education of China, Beijing University of Posts and Telecommunications, Beiji g 100876, China;
    3 School of Software Engineering,Beijing University of Posts and Telecommunications, Be jing 100876, China
  • Online:2013-07-25 Published:2017-06-24
  • Supported by:
    The National Natural Science Foundation of China;The National Science and Technology Major Project of the Ministry of Science and Technology of China

摘要:

为确保数据私密性,用户选择将数据加密后再上传到云端,但云无法为密文数据提供管理和搜索等服务。密文搜索技术可以把保护用户数据私密性和有效利用云服务结合起来。在分析云环境下密文搜索算法的基础上,提出基于云环境的密文搜索体系结构,研究其中的关键技术,指出云环境应用密文搜索技术存在的问题和改进的方向。

关键词: 云存储, 密文搜索, 倒排索引, Bloomfilter

Abstract:

In order to ensure the data privacy, users have to encrypt the data before outsourcing them to the cloud, How-ever, the encrypted data cannot take full advantage of the rich service function and powerful computation ability of the cloud platform. Ciphertext search technology can combine the protection of user data's privacy with the efficient usage of cloud platform services. On the basis of analyzing the ciphertext search technologies in cloud computing environment, a ciphertext search system architecture based on cloud c g environment was proposed and the key technologies of ciphertext search were studied. Finally the ciphertext search technologies' main problems at present and the important re-search direction in future were pointed out.

Key words: cloud storage, ciphertext search, reverse index, Bloom filter

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