Using Blockchain to Control Access to Cloud Data

Guo, J, Yang, W, Lam, K and Yi, X 2018, 'Using Blockchain to Control Access to Cloud Data', in Fuchun Guo, Xinyi Huang, Moti Yung (ed.) Proceedings of the 14th International Conference (Inscrypt 2018), Fuzhou, China, 14-17 December 2018, pp. 274-288.


Document type: Conference Paper
Collection: Conference Papers

Title Using Blockchain to Control Access to Cloud Data
Author(s) Guo, J
Yang, W
Lam, K
Yi, X
Year 2018
Conference name Inscrypt 2018: LNCS 11449
Conference location Fuzhou, China
Conference dates 14-17 December 2018
Proceedings title Proceedings of the 14th International Conference (Inscrypt 2018)
Editor(s) Fuchun Guo, Xinyi Huang, Moti Yung
Publisher Springer
Place of publication Switzerland
Start page 274
End page 288
Total pages 15
Abstract As cloud storage becomes more common, data security is an increasing concern. In this paper, we propose a new approach to control access to the users data stored in the cloud with the state-of-the-arts decentralized blockchain technology. In general, an access control solution for cloud data involves three components: authentication, authorization and auditing. It is expensive for the cloud server to ensure authentication, authorization and auditing for access control of the users data in cloud computing environment. In addition, it is hard to prevent the malicious cloud server from access to the users data and disclose the users privacy. Our approach distributes the access control tasks for authentication, authorization and auditing to a network of nodes like bitcoin. In particular, we keep the auditing records in the transparent blockchain. In addition, we employ the Shamir secret sharing scheme to manage the encryption key for cloud users.
Subjects Data Encryption
Keyword(s) Access control
Blockchain
Cloud computing
Shamir secret sharing
DOI - identifier 10.1007/978-3-030-14234-6_15
Copyright notice © Springer Nature Switzerland AG 2019
ISBN 9783030142339
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