期刊
IEEE INTERNET OF THINGS JOURNAL
卷 9, 期 5, 页码 3978-3987出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JIOT.2021.3102236
关键词
Blockchains; Cloud computing; Internet of Things; Data integrity; Security; Smart contracts; Servers; Cloud storage; consortium blockchain; data integrity; Internet of Things (IoT); malicious auditors
资金
- Japan Society for Promotion of Science (JSPS) [61932014]
- Key R&D Program of Jiangsu, China [BE2020026]
- National Natural Science Foundation of China
- National Institute of Informatics
The applications of IoT have had a significant impact on various aspects of people's lives, creating a large volume of data. To ensure the integrity of cloud-stored data, a consortium blockchain-based public integrity verification system is proposed, in which the behaviors of third-party auditors are recorded on the blockchain for auditing purposes.
The applications of Internet of Things have emerged in every aspect of people's life. The volume of data gathered can be enormous. Enterprises and personal consumers are increasingly reliant on cloud storage services instead of local storage. While they enjoy the convenience of cloud storage services, they also worry about the integrity of the cloud-stored data since they do not physically own the data. To enable public integrity auditing, third-party auditors as trusted ones verify data integrity on behalf of the data owner. However, the vulnerability of auditors should also be considered. We propose a consortium blockchain-based public integrity verification system (CBPIV). In CBPIV, the auditor behaviors are recorded in the consortium blockchain so that authorized parties can audit the auditor to see if the verification results are correct. A smart contract is deployed to check the behavior of the auditor automatically, which can trigger alerts for unusual behaviors. The evaluation on both security and performance shows that our proposed scheme is secure and alleviates the burden on data owners of limited computation capability.
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