Certificateless ciphertext retrieval scheme with multi-user and multi-keyword based on cloud-edge collaboration

Xiaodong YANG; Tian TIAN; Jiaqi WANG; Meijuan LI; Caifen WANG

doi:10.11959/j.issn.1000-436x.2022104

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Certificateless ciphertext retrieval scheme with multi-user and multi-keyword based on cloud-edge collaboration

Papers | 更新时间：2024-06-05

- Certificateless ciphertext retrieval scheme with multi-user and multi-keyword based on cloud-edge collaboration
- Journal on Communications Vol. 43, Issue 5, Pages: 144-154(2022)
- 作者机构：
  
  1. 西北师范大学计算机科学与工程学院，甘肃兰州 730070
  2. 深圳技术大学大数据与互联网学院，广东深圳 518118
- 作者简介：
- 基金信息：
  
  The National Natural Science Foundation of China(61662069);The National Natural Science Foundation of China(61562077);The National Natural Science Foundation of China(61702552);Educational Commission of Guangdong Province(2020KTSCX126);The China Postdoctoral Science Foundation(2017M610817);Gansu Science and Technology Planning Project(20CX9ZA076)
- DOI：10.11959/j.issn.1000-436x.2022104
  CLC： TP309.7
- Online First：2022-05，
  
  Published：25 May 2022
- 稿件说明：
移动端阅览
Xiaodong YANG, Tian TIAN, Jiaqi WANG, et al. Certificateless ciphertext retrieval scheme with multi-user and multi-keyword based on cloud-edge collaboration[J]. Journal on Communications, 2022, 43(5): 144-154.
DOI：

Xiaodong YANG, Tian TIAN, Jiaqi WANG, et al. Certificateless ciphertext retrieval scheme with multi-user and multi-keyword based on cloud-edge collaboration[J]. Journal on Communications, 2022, 43(5): 144-154. DOI： 10.11959/j.issn.1000-436x.2022104.

摘要

针对工业物联网环境中密文数据检索面临的单用户单关键字搜索、计算开销过大、安全等级较低等问题，提出了一种基于云边协同的无证书多用户多关键字密文检索方案。所提方案通过设定用户访问权限表并执行一次加密算法，实现了支持用户访问权限更新的多用户搜索。利用线性扫描方法进行关键字密文与陷门的匹配计算，并引入云边协同的计算模式提高计算效率，实现了关键字索引不完全包含检索关键字情况下的多关键字密文检索。基于无证书加密体制解决了密钥托管与证书管理问题，并使用数字签名技术确保了关键字密文的可认证性。安全分析结果表明，所提方案在随机预言模型下能抵抗内部关键字猜测攻击。仿真实验结果表明，与同类方案相比较，所提方案具有较高的计算效率。

Abstract

To solve the problems of single-user search

single-keyword search

high computational cost and low-security level of ciphertext data retrieval in the industrial Internet of things environment

a certificateless ciphertext retrieval scheme with multi-user and multi-keyword based on cloud-edge collaboration was proposed.A user access permissions table was set and once encryption algorithm was executed to realize multi-user search and update users’ access permissions.A cloud-side collaborative computing model was introduced to match keyword ciphertext and keyword trapdoor efficiently by a linear scanning method when the keyword ciphertext does not entirely contain the search keyword.Key escrow and certificate management problems were solved by utilizing certificateless encryption system.Keyword ciphertext authentication was ensured by using digital signature technology.The security analysis results show that the proposed scheme can resist internal keyword guessing attacks under the random oracle model.Simulation results show that the proposed scheme has higher computational efficiency compared with similar schemes.

关键词

Keywords

references

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