International Journal of Wireless and Microwave Technologies(IJWMT)
ISSN: 2076-1449 (Print), ISSN: 2076-9539 (Online)
Published By: MECS Press
IJWMT Vol.2, No.1, Feb. 2012
Efficient Proxy Re-encryption with Private Searching in the Untrusted Cloud
Full Text (PDF, 276KB), PP.53-59
As promising as cloud computing is, this paradigm brings forth new security and privacy challenges when operating in the untrusted cloud scenarios. In this paper, we propose a new cryptographic primitive Proxy Re-encryption with Private Searching (PRPS for short). The PRPS scheme enables the data users and owners efficiently query and access files storaged in untrusted cloud, while keeping query privacy and data privacy from the cloud providers. The concrete construction is based on proxy re-encryption, public key encryption with keyword search and the dual receiver cryptosystem. The scheme is semantically secure under the BDH assumption.
Cite This Paper
Xi Chen,Yong Li,"Efficient Proxy Re-encryption with Private Searching in the Untrusted Cloud", IJWMT, vol.2, no.1, pp.53-59, 2012.
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