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Title:
Security analysis of a privacy-preserving decentralized key-policy attribute-based encryption scheme
Author: Ge, Aijun (1) ; Zhang, Jiang (2) ; Zhang, Rui (3) ; Ma, Chuangui (1) ; Zhang, Zhenfeng (2)
Keyword: Cryptanalysis ; attribute-based encryption ; privacy ; access control
Source: IEEE Transactions on Parallel and Distributed Systems
Issued Date: 2013
Volume: 24, Issue:11, Pages:2319-2321
Indexed Type: SCI ; EI
Department: (1) State Key Laboratory of Mathematical Engineering and Advanced Computing, Zhengzhou Information Science and Technology Institute, PO Box 1001-745, Zhengzhou 450002, China; (2) Laboratory of Trusted Computing and Information Assurance, Institute of Software, Chinese Academy of Sciences, 4# South Fourth Street, Zhong Guan Cun, Beijing 100190, China; (3) State Key Lab of Information Security (SKLOIS), Institute of Information Engineering (IIE), Chinese Academy of Sciences (CAS), 89# Minzhuang Street, Haidian District, Beijing 100093, China; (4) Institute of Information Engineering, Chinese Academy of Sciences, China
Abstract: In a decentralized attribute-based encryption (ABE) system, any party can act as an authority by creating a public key and issuing private keys to different users that reflect their attributes without any collaboration. Such an ABE scheme can eliminate the burden of heavy communication and collaborative computation in the setup phase of multiauthority ABE schemes, thus is considered more preferable. Recently in IEEE Transactions Parallel Distributed Systems, Han et al. proposed an interesting privacy-preserving decentralized key-policy ABE scheme, which was claimed to achieve better privacy for users and to be provably secure in the standard model. However, after carefully revisiting the scheme, we conclude that their scheme cannot resist the collusion attacks, hence fails to meet the basic security definitions of the ABE system. © 1990-2012 IEEE.
English Abstract: In a decentralized attribute-based encryption (ABE) system, any party can act as an authority by creating a public key and issuing private keys to different users that reflect their attributes without any collaboration. Such an ABE scheme can eliminate the burden of heavy communication and collaborative computation in the setup phase of multiauthority ABE schemes, thus is considered more preferable. Recently in IEEE Transactions Parallel Distributed Systems, Han et al. proposed an interesting privacy-preserving decentralized key-policy ABE scheme, which was claimed to achieve better privacy for users and to be provably secure in the standard model. However, after carefully revisiting the scheme, we conclude that their scheme cannot resist the collusion attacks, hence fails to meet the basic security definitions of the ABE system. © 1990-2012 IEEE.
Language: 英语
WOS ID: WOS:000325170700020
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Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/16907
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
Ge, Aijun ,Zhang, Jiang ,Zhang, Rui ,et al. Security analysis of a privacy-preserving decentralized key-policy attribute-based encryption scheme[J]. IEEE Transactions on Parallel and Distributed Systems,2013-01-01,24(11):2319-2321.
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