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Searchable ciphertext-policy attribute-based encryption with revocation in cloud storage.

Authors :
Li, Jiguo
Shi, Yuerong
Zhang, Yichen
Source :
International Journal of Communication Systems. 1/10/2017, Vol. 30 Issue 1, pn/a-N.PAG. 13p.
Publication Year :
2017

Abstract

To protect the sensitive data outsourced to cloud server, outsourcing data in an encrypted way has become popular nowadays. However, it is not easy to find the corresponding ciphertext efficiently, especially the large ciphertext stored on cloud server. Besides, some data owners do not want those users who attempt to decrypt to know the sensitive access structure of the ciphertext because of some business or private reasons. In addition, the user attributes revocation and key updating are important issues, which affect application of ciphertext-policy attribute-based encryption (CP-ABE) in cloud storage systems. To overcome the previous problems in cloud storage, we present a searchable CP-ABE with attribute revocation, where access structures are partially hidden so that receivers cannot extract sensitive information from the ciphertext. The security of our scheme can be reduced to the decisional bilinear Diffie-Hellman (DBDH) assumption and decisional linear (DL) assumption. Copyright © 2015 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]

Details

Language :
English
ISSN :
10745351
Volume :
30
Issue :
1
Database :
Academic Search Index
Journal :
International Journal of Communication Systems
Publication Type :
Academic Journal
Accession number :
120262878
Full Text :
https://doi.org/10.1002/dac.2942