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Title:
inner-product lossy trapdoor functions and applications
Author: Xie Xiang ; Xue Rui ; Zhang Rui
Source: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Conference Name: 10th International Conference on Applied Cryptography and Network Security, ACNS 2012
Conference Date: June 26, 2012 - June 29, 2012
Issued Date: 2012
Conference Place: Singapore, Singapore
Keyword: Concrete construction ; Crystal lattices ; Network security
Indexed Type: EI
ISSN: 0302-9743
ISBN: 9783642312830
Department: (1) Institute of Software Chinese Academy of Sciences China; (2) Graduate University Chinese Academy of Sciences China; (3) State Key Laboratory of Information Security Institute of Information Engineering Chinese Academy of Sciences China
Sponsorship: AdNovum
Abstract: In this paper, we propose a new cryptographic primitive called inner-product lossy trapdoor function (IPLTDF). We give a formal definition, and a concrete construction from lattices. We then show this primitive is useful to obtain efficient chosen-plaintext secure inner-product encryption (IPE) schemes. The resulting IPE scheme has almost the same public key size for multi-bit encryption compared with a recent IPE scheme proposed by Agrawal, Freeman and Vaikuntanathan [] for single-bit encryption. Unfortunately, our IPE scheme only supports attribute vectors with logarithmic length. On the positive side, our basic IPE scheme can be extended to achieve chosen-ciphertext (CCA) security. As far as we are aware, this is the first CCA-secure IPE scheme based on lattices. © 2012 Springer-Verlag.
English Abstract: In this paper, we propose a new cryptographic primitive called inner-product lossy trapdoor function (IPLTDF). We give a formal definition, and a concrete construction from lattices. We then show this primitive is useful to obtain efficient chosen-plaintext secure inner-product encryption (IPE) schemes. The resulting IPE scheme has almost the same public key size for multi-bit encryption compared with a recent IPE scheme proposed by Agrawal, Freeman and Vaikuntanathan [] for single-bit encryption. Unfortunately, our IPE scheme only supports attribute vectors with logarithmic length. On the positive side, our basic IPE scheme can be extended to achieve chosen-ciphertext (CCA) security. As far as we are aware, this is the first CCA-secure IPE scheme based on lattices. © 2012 Springer-Verlag.
Language: 英语
Content Type: 会议论文
URI: http://ir.iscas.ac.cn/handle/311060/15745
Appears in Collections:软件所图书馆_会议论文

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Recommended Citation:
Xie Xiang,Xue Rui,Zhang Rui. inner-product lossy trapdoor functions and applications[C]. 见:10th International Conference on Applied Cryptography and Network Security, ACNS 2012. Singapore, Singapore. June 26, 2012 - June 29, 2012.
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