Comments on "Public Integrity Auditing for Dynamic Data Sharing With Multiuser Modification"

被引:26
|
作者
Yu, Yong [1 ,2 ,3 ]
Li, Yannan [1 ]
Ni, Jianbing [1 ]
Yang, Guomin [3 ]
Mu, Yi [3 ]
Susilo, Willy [3 ]
机构
[1] Univ Elect Sci & Technol China, Sch Comp Sci & Engn, Big Data Res Ctr, Chengdu 611731, Peoples R China
[2] Chinese Acad Sci, Inst Informat Engn, State Key Lab Informat Secur, Beijing 100093, Peoples R China
[3] Univ Wollongong, Sch Comp & Informat Technol, Ctr Comp & Informat Secur Res, Wollongong, NSW 2522, Australia
关键词
Cloud storage; data integrity; soundness;
D O I
10.1109/TIFS.2015.2501728
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
Recently, a practical public integrity auditing scheme supporting multiuser data modification (IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY, DOI 10.1109/TIFS.2015.2423264) was proposed. Although the protocol was claimed secure, in this paper, we show that the proposal fails to achieve soundness, the most essential property that an auditing scheme should provide. Specifically, we show that a cloud server can collude with a revoked user to deceive a third-party auditor (TPA) that a stored file keeps virgin even when the entire file has been deleted.
引用
收藏
页码:658 / 659
页数:2
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