| 限制多方验证者签名的方案 |
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| 引用本文： | 林婷婷,王晓峰,王尚平,王 娟,向新银.限制多方验证者签名的方案[J].计算机工程,2007,33(12):157-159. |
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| 作者姓名： | 林婷婷 王晓峰 王尚平 王 娟 向新银 |
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| 作者单位： | 西安理工大学密码理论与网络研究室,西安710054 |
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| 基金项目： | 国家自然科学基金
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陕西省自然科学基金
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西安理工大学校科研和教改项目 |
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| 摘 要： | 提出了限制多方验证者签名的精确定义，构造了一个有效的限制多方验证者签名方案，该方案只计算一次签名就能同时限制多个验证者验证签名，弥补了一般限制验证者签名方案只有一个限制验证者的局限。分析了在BDHP困难性假设下达到期望的安全需求。该方案不仅支持否认协议，而且比一般限制单方验证者签名方案执行多次的效率高。
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| 关 键 词： | 限制多方验证者签名 限制验证者签名 广义指定验证者签名 不可传递性 否认协议 |
| 文章编号： | 1000-3428（2007）12-0157-03 |
| 修稿时间： | 2006-07-27 |
Scheme of Limited Multi-verifier Signatures |
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| LIN Tingting,WANG Xiaofeng,WANG Shangping,WANG Juan,XIANG Xinyin.Scheme of Limited Multi-verifier Signatures[J].Computer Engineering,2007,33(12):157-159. |
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| Authors: | LIN Tingting WANG Xiaofeng WANG Shangping WANG Juan XIANG Xinyin |
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| Affiliation: | (Lab of Crytography and Network Sceurity, Xi’an University of Technology, Xi’an 710054) |
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| Abstract: | A precise definition of limited multi-verifier signature is presented and a new limited multi-verifier signatures scheme is proposed. In this new scheme, limiting multiple verifiers to verify the signatures is allowed by only one signature computation. The limitation of only one limited verifier in generic limited verifier signatures schemes is offset. The desired security notions are achieved based on the assumption that BDHP is intractable and the new scheme not only supports denial protocol but also has higher efficiency than performing generic limited single verifier signatures with multiple times. |
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| Keywords: | Limited multi-verifier signatures Limited verifier signatures Universal designated-verifier signatures Non-transferability Denial protocal |
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