云环境中抵御内部关键字猜测攻击的快速公钥可搜索加密方案

陈宁江; 刘灿; 黄汝维; 黄保华

doi:10.11999/JEIT190963

云环境中抵御内部关键字猜测攻击的快速公钥可搜索加密方案

doi: 10.11999/JEIT190963

陈宁江^{1, 2},
刘灿^1, ,,
黄汝维¹,
黄保华¹

1.
广西大学计算机与电子信息学院南宁 530004
2.
广西多媒体通信与网络技术重点实验室南宁 530004

基金项目: 国家自然科学基金(61762008)，国家重点研发计划(2018YFB1404404)

详细信息

作者简介:
陈宁江：男，1975年生，博士，教授，研究方向为网络分布计算、软件工程、云计算等

刘灿：女，1992年生，硕士生，研究方向为可搜索加密、云计算等

黄汝维：女，1978年生，博士，副教授，研究方向为云安全和全同态加密技术等

黄保华：男，1973年生，博士，副教授，研究方向为数据库安全、密文信息处理等

通讯作者:
刘灿　liucango@163.com

中图分类号: TP309.2
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- 被引次数: 0
出版历程
- 收稿日期: 2019-12-02
- 修回日期: 2021-01-07
- 网络出版日期: 2021-01-12
- 刊出日期: 2021-02-23

Fast Public Key Searchable Encryption Scheme against Internal Keyword Guessing Attack in Cloud Environment

1.
School of Computer, Electronics and Information, Guangxi University, Nanning 530004, China
2.
Guangxi Key Laboratory of Multimedia Communications and Network Technology, Nanning 530004, China

Funds: The National Natural Science Foundation of China (61762008), The National Key Research and Development Program (2018YFB1404404)

摘要

摘要:
随着云计算的发展，以密文检索为核心的安全和搜索性能问题成为研究的重点。在传统的加密方案中，大多只解决了抵御外部关键字猜测攻击问题，往往忽视了诚实且好奇的云服务器问题。为了提高密文安全性，该文提出快速搜索的抵御内部关键字攻击方案。首先，引入高效的加密倒排索引结构的公钥密文搜索方案，实现关键字的并行搜索任务。其次，在构建密文倒排索引时加入数据拥有者的私钥抵御恶意云服务器的关键字攻击。与传统的公钥可搜索加密相比，该方案在很大程度上增强了搜索系统的安全性和搜索效率。
- 公钥可搜索加密 /
- 密文搜索 /
- 内部关键字攻击 /
- 倒排索引
Abstract:
With the development of cloud computing, the security and search performance of ciphertext retrieval has become the focus of research. In the traditional encryption schemes, most of them only solve the problem of defending against external keyword guessing attacks but ignore the honest and curious cloud server. In order to improve the security of ciphertext, an inside keyword attack scheme based on inverted index is proposed. Firstly, the private key of the data owner is added to resist the keyword attack of the malicious cloud server when the ciphertext inversion index is built. Secondly, an efficient public key ciphertext search scheme of parallel encryption index structure is introduced to realize the parallel search task of keywords. Compared with the traditional public key searchable encryption, the proposed scheme enhances greatly the security and search efficiency of the search system.
- Public key searchable encryption /
- Ciphertext search /
- Inside keyword attack /
- Inverted index

HTML全文

图 1 系统模型

下载: 全尺寸图片幻灯片

图 2 高效的倒排索引

下载: 全尺寸图片幻灯片

图 3 快速倒排索引关系结构图

下载: 全尺寸图片幻灯片

图 4 效率比较

下载: 全尺寸图片幻灯片

图 5 通信成本比较

下载: 全尺寸图片幻灯片

表 1 性能分析

初始化索引陷门搜索

Boneh 2E 2E+2H+P E+H H+P
Shao (n+3)E 9E+3H+3P 2E 5E+H+4P
SPCHS 2E 3E+H+2P E+H 2P
PSEFKS 2E 2E+H+P E+H+P E+H+P

下载: 导出CSV

表 2 安全性对比

Boneh Shao SPCHS PSEFKS

密文不可区分是是是是
陷门不可区分否是是是
抗外部攻击是是是是
抗内部攻击否是否是

下载: 导出CSV

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