Abstract: In this letter we propose Meta-key, a data-sharing mechanism that enables users share their encrypted data under a blockchain-based decentralized storage architecture. All the data-encryption keys are encrypted by the owner's public key and put onto the blockchain for safe and secure storage and easy key-management. Encrypted data are stored in dedicated storage nodes and proxy re-encryption mechanism is used to ensure secure data-sharing in the untrusted environment. Security analysis of our model shows that the proxy re-encryption adopted in our system is naturally free from collusion-attack due to the specific architecture of Meta-key.
| Subjects: | Distributed, Parallel, and Cluster Computing (cs.DC) ; Cryptography and Security (cs.CR) |
| Cite as: | arXiv:1710.07898 [cs.DC] |
| (or arXiv:1710.07898v2 [cs.DC] for this version) | |
| https://doi.org/10.48550/arXiv.1710.07898 |
Focus to learn more
arXiv-issued DOI via DataCiteFocus to learn more
DOI(s) linking to related resourcesFrom: Yue Fu [view email]
[v1] Sun, 22 Oct 2017 07:14:32 UTC (586 KB)
[v2] Sun, 24 May 2020 06:49:20 UTC (764 KB)
View a PDF of the paper titled Meta-Key: A Secure Data-Sharing Protocol under Blockchain-Based Decentralised Storage Architecture, by Dagang Li and 3 other authors