| A NEW MULTI-PROXY SIGNATURE FROM BILINEAR PAIRING |
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| 作者姓名： | Li Sujuan Zhang Futai |
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| 作者单位： | [1]School of Mathematics and Computer Science, Nanjing Normal University, Nanjing 210097, China [2]Science Institute, Nanjing University of Technology, Nanjing 210000, China |
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| 基金项目： | Supported by the Jiangsu Educational Committee （No.03KJA520066） and Key Lab. （Xidian University） of Ministry of Education of China on Computer Networks and Information Security. |
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| 摘 要： | Proxy signatures are very useful tools when one needs to delegate his/her signing capability to other parties. In this paper, a new multi-proxy signature scheme is proposed. The new scheme is constructed from bilinear pairings using Boneh, Lynn, and Shacham＇s （BLS） short signatures. The proxy key for the proxy group is just a short signature on the proxy warrant generated by the original signer. Due to the use of short signatures, our scheme is not only efficient, but also satisfies all the security requirements of the strong proxy signature.
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| 关 键 词： | 多代理签名 双线性映射 短签名 安全保密 |
| 收稿时间： | 2005-04-28 |
| 修稿时间： | 2005-12-12 |
A new multi-proxy signature from bilinear pairing |
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| Li Sujuan Zhang Futai.A NEW MULTI-PROXY SIGNATURE FROM BILINEAR PAIRING[J].Journal of Electronics,2007,24(1):90-94. |
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| Authors: | Li Sujuan Zhang Futai |
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| Affiliation: | 1. School of Mathematics and Computer Science, Nanjing Normal University, Nanjing 210097, China;Science Institute, Nanjing University of Technology, Nanjing 210009, China
2. Science Institute, Nanjing University of Technology, Nanjing 210009, China |
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| Abstract: | Proxy signatures are very useful tools when one needs to delegate his/her signing capability to other parties. In this paper, a new multi-proxy signature scheme is proposed. The new scheme is constructed from bilinear pairings using Boneh, Lynn, and Shacham's (BLS) short signatures. The proxy key for the proxy group is just a short signature on the proxy warrant generated by the original signer. Due to the use of short signatures, our scheme is not only efficient, but also satisfies all the security requirements of the strong proxy signature. |
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| Keywords: | Multi-proxy signature Short signature Bilinear pairings |
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