吉林大学学报(工学版) ›› 2021, Vol. 51 ›› Issue (4): 1364-1369.doi: 10.13229/j.cnki.jdxbgxb20200955

• 计算机科学与技术 • 上一篇    

基于标签分类的云数据完整性验证审计方案

王春波1,2(),底晓强1,3()   

  1. 1.长春理工大学 计算机科学技术学院，长春 130022
    2.长春汽车工业高等专科学校 信息技术学院，长春 130013
    3.长春理工大学 信息化中心，长春 130022
  • 收稿日期:2020-10-27 出版日期:2021-07-01 发布日期:2021-07-14
  • 通讯作者: 底晓强 E-mail:wangcb1213@126.com;dixiaoqiang@cust.edu.cn
  • 作者简介:王春波（1986-），男，博士研究生.研究方向：计算机通信和网络安全.E-mail：wangcb1213@126.com
  • 基金资助:
    国家重点研发计划项目(2018YFB1800303)

Cloud storage integrity verification audit scheme based on label classification

Chun-bo WANG1,2(),Xiao-qiang DI1,3()   

  1. 1.College of Computer Science and Technology，Changchun University of Science and Technology，Changchun 130022，China
    2.School of Information Technology，Changchun Automobile Industry Institute，Changchun 130013，China
    3.Information Center，Changchun University of Science and Technology，Changchun 130022，China
  • Received:2020-10-27 Online:2021-07-01 Published:2021-07-14
  • Contact: Xiao-qiang DI E-mail:wangcb1213@126.com;dixiaoqiang@cust.edu.cn

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摘要：

随着云存储技术的发展，更多用户为了降低成本将数据存储到云服务器，但同时也失去了数据控制权，导致无法确保云存储数据的完整性和安全性。针对上述问题，提出一种基于快速标签查询的安全数据完整性审计方案。首先，利用混沌系统对云存储数据进行加密，以保证数据机密性。然后，利用数据块的哈希值作为标签对数据块分类。将Merkle哈希树（MHT）每个叶节点对应一个标签，每个标签对应多个数据块，提高了数据查询索引速度。本方案满足了云数据存储完整性审计方案的安全性要求，还降低了审计过程的通信开销。实验结果表明，本方案安全有效。

关键词: 计算机应用技术, 审计, 云存储, Merkle哈希树, 完整性检查

Abstract:

With the development of cloud storage technology, more and more users store data to the cloud server in order to reduce the cost, but at the same time they lose the right to control the data, which leads to the fact that the integrity and security of cloud storage data cannot be ensured. To solve these problems, this paper proposes a security data integrity audit scheme based on fast tag query. Firstly, chaotic system is used to encrypt cloud storage data to ensure data confidentiality. Then, the Hash Value of the data block is used as the label to classify data blocks. In this paper, each leaf node of Merkle Hash Tree (MHT) corresponds to a label, and each label corresponds to multiple data blocks, which increases the speed of data query index. This scheme not only meets the security requirements of the cloud data storage integrity audit scheme, but also reduces the communication expenses of the audit process. The experimental results suggests that the scheme is safe and effective.

Key words: computer application technology, audit, cloud storage, Merkle Hash tree（MHT）, integrity check

中图分类号: 

  • TP309

图1

数据加密流程图"

图2

Merkle哈希树"

图3

Ci的结构示意图"

图4

相邻像素相关性分析"

表1

明文图像和密文图像的相邻像素相关系数"

横坐标方向纵坐标方向对角方向
明文图像0.91920.98340.9032
密文图像-0.00330.00020.00111
文献［18］0.004050.003020.00113

图5

计算开销"

表2

时间开销对比"

通信开销/kB

TPA计算

时间/ms

服务器计算

时间/ms

c=300c=460c=300c=460c=300c=460
文献［19］4.246.43639.00968.5639.8975.3
本文方案4.236.3870.4281.23512.3568.6
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