Ownership-hidden group-oriented proofs of storage from pre-homomorphic signatures

• Main Authors: WANG, Yujue, WU, Qianhong, QIN, Bo, CHEN, Xiaofeng, HUANG, Xinyi, LOU, Jungang
• Format: text
• Language: English
• Published: Institutional Knowledge at Singapore Management University 2016
• Subjects: Cloud storage; Data outsourcing; Proofs of retrievability; Proofs of storage; Provable data possession; Public auditability; Computer Sciences; Information Security
• Online Access: https://ink.library.smu.edu.sg/sis_research/3627; https://ink.library.smu.edu.sg/context/sis_research/article/4628/viewcontent/OwnershipHiddenGroupOrientatesProofs_2016.pdf
• Institution: Singapore Management University

In this paper, we study the problem of secure cloud storage in a multi-user setting such that the ownership of outsourced files can be hidden against the cloud server. There is a group manager for initiating the system, who is also responsible for issuing private keys for the involved group members....