Abstract
Cloud computing has attracted wide attention because that it can provide the data storage and computation to us. However, when the users outsource the data to the cloud server, the users lost the control over the data, so the data auditing is very important to protect users’ data. To reduce computation and communication costs of the users, the existing schemes utilized a trusted third party (TPA) to conduct verification on behalf of users. However, TPA is a centralized party, which is vulnerable to external attacks and internal faults. In this paper, we present a decentralized public auditing scheme for cloud storage based on blockchain, which improves the reliability and stability of auditing result. In the proposed scheme, the cloud service providers works together to perform data verification without TPA. Finally, the security analysis shows that the scheme can resist a variety of attacks, and the experimental results demonstrate that proposed scheme has enhanced security and reliability.
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Acknowledgment
This research was supported partially by the Fundamental Research Funds for the Central Universities (2019CDQYRJ006), the National Natural Science Foundation of China(61702062), the Chongqing Research Program of Basic Research and Frontier Technology with Grant (cstc2018jcyjAX0334), Key Project of Technology Innovation and Application Development of Chongqing (cstc2019jscx-mbdxX0044), and Overseas Returnees Innovation and Entrepreneurship Support Program of Chongqing (cx2018015).
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Wang, Y., Ruan, C., Hu, C. (2020). A Blockchain-Based Decentralized Public Auditing Scheme for Cloud Storage. In: Yu, D., Dressler, F., Yu, J. (eds) Wireless Algorithms, Systems, and Applications. WASA 2020. Lecture Notes in Computer Science(), vol 12384. Springer, Cham. https://doi.org/10.1007/978-3-030-59016-1_40
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DOI: https://doi.org/10.1007/978-3-030-59016-1_40
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