Method of ciphertext retrieval in mobile edge computing based on block segmentation

Na WANG; Kun ZHENG; Junsong FU; Jian LI

doi:10.11959/j.issn.1000-436x.2020142

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Method of ciphertext retrieval in mobile edge computing based on block segmentation

Papers | 更新时间：2024-06-05

- Method of ciphertext retrieval in mobile edge computing based on block segmentation
- Journal on Communications Vol. 41, Issue 7, Pages: 95-102(2020)
- 作者机构：
  
  1. 北京邮电大学计算机学院，北京 100876
  2. 北京邮电大学网络安全学院，北京 100876
- 作者简介：
- 基金信息：
  
  The Natural Science Foundation of Beijing(4204107)
- DOI：10.11959/j.issn.1000-436x.2020142
  CLC： TP309
- Online First：2020-07，
  
  Published：25 July 2020
- 稿件说明：
移动端阅览
Na WANG, Kun ZHENG, Junsong FU, et al. Method of ciphertext retrieval in mobile edge computing based on block segmentation[J]. Journal on Communications, 2020, 41(7): 95-102.
DOI：

Na WANG, Kun ZHENG, Junsong FU, et al. Method of ciphertext retrieval in mobile edge computing based on block segmentation[J]. Journal on Communications, 2020, 41(7): 95-102. DOI： 10.11959/j.issn.1000-436x.2020142.

摘要

针对云计算密文检索方案的效率问题，提出了基于分块的移动边缘计算密文检索方案。首先，引入了边缘服务器计算文档相似性得分，从而减少了云服务器的计算开销，提升了云服务器的处理效率；其次，在MRSE方案基础上通过分块方法过滤掉大部分与查询无关的关键词，从而提高了计算文档相似性得分的效率。理论分析和实验结果表明，所提方案在已知背景威胁模型下是安全的，与现有方案相比，所提方案在具有相同安全性的同时具有更高的检索效率。

Abstract

Aiming at the efficiency of cloud computing ciphertext retrieval scheme

a method of ciphertext retrieval in mobile edge computing based on block segmentations was proposed.Firstly

the edge server was introduced to calculate the document similarity score

thereby the computational cost of cloud server was reduced and the processing efficiency of cloud server was improved.Secondly

most keywords that are not related to the query were filtered out by a method of block segmentations based on the MRSE scheme

thereby the efficiency of calculating the document similarity score was improved.Theoretical analysis and experimental results show that the solution is safe under the known background threat model.Compared with the existing scheme

the proposed scheme has the same security and higher retrieval efficiency.

关键词

Keywords

references

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