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| Content Provider | IET Digital Library |
|---|---|
| Author | Kao, Yung Wei Huang, Kuan Ying Gu, Hui Zhen Yuan, Shyan Ming |
| Abstract | One of the most challenging problems of cloud service solicitation is to persuade users to trust the security of cloud service and upload their sensitive data. Although cloud service providers can claim that their services are well-protected by elaborate encryption mechanisms, traditional cloud systems still cannot persuade the users that even if the cloud servers are compromised, the data are still securely protected. This study proposes uCloud, a user-centric key management scheme for cloud data protection, to solve this problem. uCloud utilises RSA and indirectly encrypts users’ data by users’ public keys, but stores the users’ private keys on neither servers nor users’ PCs; instead, the private keys are stored on users’ mobile devices and presented via two-dimensional (2D) barcode images when they are utilised to decrypt users’ sensitive data. In this manner, users’ data are safely protected even if the cloud servers are compromised. Also, uCloud provides users with the experience of managing visible private keys by storing the keys into mobile phones and displaying them via 2D barcodes. Moreover, three scenarios: personal storage, home surveillance and enterprise storage scenarios are proposed to present the practicability of uCloud. In addition, a hierarchical structure is designed for basic key backup and data sharing in the proposed scheme. |
| Starting Page | 144 |
| Ending Page | 154 |
| Page Count | 11 |
| ISSN | 17518709 |
| Volume Number | 7 |
| e-ISSN | 17518717 |
| Issue Number | Issue 2, Jun (2013) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-ifs/7/2 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-ifs.2012.0198 |
| Journal | IET Information Security |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | 2D Barcode Images Business Data Processing Cloud Computing Cloud Data Protection Cloud Servers Cloud Service Providers Cloud Service Security Cloud Service Solicitation Cryptography Data Security Data Sharing Encryption Mechanisms Enterprise Storage Scenario Home Computing Home Surveillance Internet Software Mobile Computing Mobile Radio System Personal Storage Pervasive Computing Private Key Cryptography Public Key Cryptography RSA Sensitive Data Trusted Computing Two-dimensional Barcode Image Ubiquitous UCloud User Data Encryption User Mobile Device User Private Keys User Public Keys User Sensitive Data Decryption User-centric Key Management Scheme |
| Content Type | Text |
| Resource Type | Article |
| Subject | Computer Networks and Communications Information Systems Software |
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