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IEICE TRANSACTIONS on Communications

Attribute-Based Keyword Search with Proxy Re-Encryption in the Cloud

Yanli CHEN, Yuanyuan HU, Minhui ZHU, Geng YANG

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Summary :

This work is conducted to solve the current problem in the attribute-based keyword search (ABKS) scheme about how to securely and efficiently delegate the search rights to other users when the authorized user is not online. We first combine proxy re-encryption (PRE) with the ABKS technology and propose a scheme called attribute-based keyword search with proxy re-encryption (PABKS). The scheme not only realizes the functions of data search and fine-grained access control, but also supports search function sharing. In addition, we randomly blind the user's private key to the server, which ensures the confidentiality and security of the private key. Then, we also prove that the scheme is selective access structure and chosen keyword attack (IND-sAS-CKA) secured in the random oracle model. A performance analysis and security proof show that the proposed scheme can achieve efficient and secure data search in the cloud.

Publication
IEICE TRANSACTIONS on Communications Vol.E101-B No.8 pp.1798-1808
Publication Date
2018/08/01
Publicized
2018/02/16
Online ISSN
1745-1345
DOI
10.1587/transcom.2017EBP3274
Type of Manuscript
PAPER
Category
Fundamental Theories for Communications

Authors

Yanli CHEN
  Nanjing University of Posts and Telecommunications
Yuanyuan HU
  Nanjing University of Posts and Telecommunications
Minhui ZHU
  Nanjing University of Posts and Telecommunications
Geng YANG
  Nanjing University of Posts and Telecommunications

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