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IEICE TRANSACTIONS on Fundamentals

Cryptanalysis of Remote Data Integrity Checking Protocol Proposed by L. Chen for Cloud Storage

Shaojing FU, Dongsheng WANG, Ming XU, Jiangchun REN

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Summary :

Remote data possession checking for cloud storage is very important, since data owners can check the integrity of outsourced data without downloading a copy to their local computers. In a previous work, Chen proposed a remote data possession checking protocol using algebraic signature and showed that it can resist against various known attacks. In this paper, we find serious security flaws in Chen's protocol, and shows that it is vulnerable to replay attack by a malicious cloud server. Finally, we propose an improved version of the protocol to guarantee secure data storage for data owners.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E97-A No.1 pp.418-420
Publication Date
2014/01/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E97.A.418
Type of Manuscript
LETTER
Category
Cryptography and Information Security

Authors

Shaojing FU
  National University of Defense Technology
Dongsheng WANG
  National University of Defense Technology
Ming XU
  National University of Defense Technology
Jiangchun REN
  National University of Defense Technology

Keyword