| An Efficient and Secure Multi-Secret Sharing Scheme with General Access Structures |
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| 作者姓名： | PANG Liaojun LI Huixian WANG Yumin |
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| 作者单位： | [1]Key Laboratory of Computer Networks and Information Security, Ministry of Education, Xidian University, Xi＇an 710071, Shaanxi, China [2]School of Computer Science, Northwestern Polytechnical University, Xi＇an 710072, Shaanxi, China |
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| 基金项目： | 国家重点基础研究发展计划(973计划) |
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| 摘 要： | A multiple secret sharing scheme can share a group of secrets in each sharing session, which is very useful especially in sharing large secrets. However, most of the existing multiple secret sharing schemes are （t, n） threshold schemes, so they are fit for only threshold applications and unfit for the applications of general access structures. Due to the fact that a （t, n） threshold scheme could only handle a small fraction of the secret sharing idea, a novel multi-secret sharing scheme is proposed, which is designed based on general access structures. The security of this scheme is the same as that of Shamir＇s threshold secret sharing scheme. Compared with the existing multiple secret sharing schemes, the proposed scheme can provide greater capabilities for many applications because it is able to deal with applications of general access structures.
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| 关 键 词： | 密码术 信息安全 秘密共享 存取结构 |
| 文章编号： | 1007-1202（2006）06-1649-04 |
| 收稿时间： | 2006-04-30 |
An efficient and secure multi-secret sharing scheme with general access structures |
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| PANG Liaojun LI Huixian WANG Yumin.An Efficient and Secure Multi-Secret Sharing Scheme with General Access Structures[J].Wuhan University Journal of Natural Sciences,2006,11(6):1649-1652. |
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| Authors: | Pang Liaojun Li Huixian Wang Yumin |
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| Institution: | (1) Key Laboratory of Computer Networks and Information Security, Ministry of Education, Xidian University, 710071 Xi'an, Shaanxi, China;(2) School of Computer Science, Northwestern Polytechnical University, 710072 Xi'an, Shaanxi, China |
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| Abstract: | A multiple secret sharing scheme can share a group of secrets in each sharing session, which is very useful especially in
sharing large secrets. However, most of the existing multiple secret sharing schemes are (t, n) threshold schemes, so they are fit for only threshold applications and unfit for the applications of general access structures.
Due to the fact that a (t, n) threshold scheme could only handle a small fraction of the secret sharing idea, a novel multi-secret sharing scheme is proposed,
which is designed based on general access structures. The security of this scheme is the same as that of Shamir's threshold
secret sharing scheme. Compared with the existing multiple secret sharing schemes, the proposed scheme can provide greater
capabilities for many applications because it is able to deal with applications of general access structures.
Foundation item: Supported by the National Basic Research Program of China (973 Program G1999035805)
Biography: PANG Liaojun (1978-), male, Ph.D. candidate, research direction; internet security, cryptography, secure mobile agent system
and e-commerce security technology |
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| Keywords: | cryptography information security secret sharing access structure |
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