Dissemination of authenticated tree-structured data with privacy protection and fine-grained control in outsourced databases

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Conference Proceeding
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2018, 11099 LNCS pp. 167 - 186
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10.1007_978-3-319-98989-1_9.pdfPublished version393.61 kB
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© 2018, Springer Nature Switzerland AG. The advent of cloud computing has inspired an increasing number of users outsourcing their data to remote servers to enjoy flexible and affordable data management services. However, storing data in a remote cloud server raises data privacy and security concerns, i.e., the integrity and origin of the query results. Although some solutions have been proposed to address these issues, none of them consider the arbitrary dissemination control of authenticated tree-structured data while disseminating to other users. To address the above concerns, in this paper, we first propose a novel and efficient redactable signature scheme which features editable homomorphic operation and redaction control on tree-structured data. Subsequently, we prove the security properties of our scheme and conduct extensive theoretical and experimental analyses. The experimental results show that our scheme outperforms the existing solutions in disseminating of authenticated tree-structured data with privacy protection and dissemination control in outsourced database (ODB) model.
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