[ "WENG Jian(1976-),born in Guangdong.In 2008,he received his Ph.D.degree in Computer Science and Engineering from Shanghai Jiaotong University.Currently,he is a professor and vice dean with the School of Information Technology,Jinan University.His research interests include cryptography and information security." ]
[ "WENG Jiasi(1994-),born in Guangdong.She is a master in Jinan University.Her research interests include cryptography and information security." ]
[ "LIU Jianan(1992-),born in Henan.He is a Ph.D student in Jinan University.His research interests include cryptography and information security." ]
[ "HOU Lin (1991-),born in Hubei.She is a Ph.D student in Jinnan University.Her research interests include cryptography and information security." ]
网络首发:2016-10,
纸质出版:2016-10-15
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WENG Jian, WENG Jia-si, LIU Jia-nan, 等. Server-aided access control for cloud computing[J]. 网络与信息安全学, 2016,2(10):58-76.
WENG Jian, WENG Jia-si, LIU Jia-nan, 等. Server-aided access control for cloud computing[J]. 网络与信息安全学, 2016,2(10):58-76. DOI: 10.11959/j.issn.2096-109x.2016.00104.
With the massive diffusion of cloud computing
more and more sensitive data is being centralized into the cloud for sharing
which brings forth new challenges for the security and privacy of outsourced data.To address these challenges
the server-aided access control (SAAC) system was proposed.The SAAC system builds upon a variant of conditional proxy re-encryption (CPRE) named threshold conditional proxy re-encryption (TCPRE).In TCPRE
t out of n proxies can re-encrypt ciphertexts (satisfying some specified conditions) for the delegator (while up to t−1 proxies cannot)
and the correctness of the re-encrypted ciphertexts can be publicly verified.Both features guarantee the trust and reliability on the proxies deployed in the SAAC system.The security models for TCPRE were formalized
several TCPRE constructions were proposed and that our final scheme was secure against chosen-ciphertext attacks was proved.
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