A Decentralized Public Auditing Scheme for Secure Cloud Storage Based on Blockchain

Author:

Chen Jiannan1ORCID,Wang Ying2,Huang Zhaohui1ORCID,Ruan Conghao2,Hu Chunqiang2ORCID

Affiliation:

1. Army Medical University, Chongging 400038, China

2. School of Big Data & Software Engineering, Chongqing University, Chongqing 400044, China

Abstract

The cloud storage service has brought great convenience to the customer, which can save massive storage and computation resources via outsourcing the data to cloud service provider (CSP). However, the security issues are the biggest challenge such as data integrity. The user can verify the integrity of outsourced data through a remote data auditing solution without retrieving original data from cloud, however, the auditing procedure has heavy computational overhead, which employs third party auditor (TPA) to conduct auditing task on behalf of users. In this paper, we propose a decentralized public auditing scheme for cloud storage based on blockchain, which removes TPA and increases the number of CSP, the auditing task was assigned to multiple CSPs, and the blockchain technology was used to record the audit process. Meanwhile, the structure of e-voting system is utilized to realize the audit result statistics of multiple CSPs via smart contract, which enhanced the credibility and stability of final auditing result. The theoretical analysis and experimental results demonstrate that proposed scheme is secure and efficient.

Funder

Overseas Returnees Innovation and Entrepreneurship Support Program of Chongqing

Publisher

Hindawi Limited

Subject

Electrical and Electronic Engineering,Computer Networks and Communications,Information Systems

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Blockchain‐cloud integration: Comprehensive survey and open research issues;Concurrency and Computation: Practice and Experience;2024-04-11

2. A decentralized data integrity auditing scheme for cloud storage;2023 International Conference on Data Security and Privacy Protection (DSPP);2023-10-16

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