Blockchain-based transparent and certificateless data integrity auditing for cloud storage

文献类型： 外文期刊

第一作者： Miao, Yapeng

作者： Miao, Yapeng;Miao, Ying;Miao, Xuexue

作者机构：

关键词： blockchain; certificateless cryptography; data integrity auditing; transparency

期刊名称：CONCURRENCY AND COMPUTATION-PRACTICE & EXPERIENCE （ 影响因子：1.5； 五年影响因子：1.4 ）

ISSN： 1532-0626

年卷期： 2024 年 36 卷 27 期

页码：

收录情况： SCI

摘要： Cloud storage provides a convenient way of collaboration and sharing. An increasing number of users are becoming more open to sharing their data with others. Consequently, the integrity of shared data has started to draw significant attention due to the loss control of it. Remote data integrity techniques can solve this problem. To resist the collusion between the third party auditor and the cloud server, existing integrity auditing schemes utilize blockchain to replace the third party auditor to do some work. However, these schemes still involve collusion between the third party auditor and the miners and cannot guarantee the third party auditor to execute the auditing process honestly. Considering this, we propose a blockchain-based transparent and certificateless data integrity auditing scheme. Specifically, we design the smart contract combining the commitment technology to generate the challenge information and record the auditing information. Besides, we combine certificateless cryptography and the blind technology to achieve the privacy-preserving. The proposed scheme can resist collusion, improve the transparency of the auditing process, protect the data privacy and reduce the overhead of certificate management and key management. The security analysis and performance evaluation demonstrate the security and efficiency of the scheme.

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