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IEICE TRANSACTIONS on Information

Security Analysis of Collusion-Resistant Nearest Neighbor Query Scheme on Encrypted Cloud Data

Youwen ZHU, Tsuyoshi TAKAGI, Rong HU

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Summary :

Recently, Yuan et al. (IEEE Infocom'13, pp.2652-2660) proposed an efficient secure nearest neighbor (SNN) search scheme on encrypted cloud database. Their scheme is claimed to be secure against the collusion attack of query clients and cloud server, because the colluding attackers cannot infer the encryption/decryption key. In this letter, we observe that the encrypted dataset in Yuan's scheme can be broken by the collusion attack without deducing the key, and present a simple but powerful attack to their scheme. Experiment results validate the high efficiency of our attacking approach. Additionally, we also indicate an upper bound of collusion-resistant ability of any accurate SNN query scheme.

Publication
IEICE TRANSACTIONS on Information Vol.E97-D No.2 pp.326-330
Publication Date
2014/02/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E97.D.326
Type of Manuscript
LETTER
Category
Data Engineering, Web Information Systems

Authors

Youwen ZHU
  Kyushu University
Tsuyoshi TAKAGI
  Kyushu University
Rong HU
  Kyushu University

Keyword