| 基于Tate对的指定多接收者签密方案 |
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| 引用本文： | 李梅,李大兴.基于Tate对的指定多接收者签密方案[J].山东工业大学学报,2006,36(3):43-45. |
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| 作者姓名： | 李梅 李大兴 |
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| 作者单位： | 山东大学网络信息安全研究所,山东济南250100 |
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| 摘 要： | 借鉴身份签密理论，利用超奇异椭圆曲线上Tate对的特性，提出一种高效指定多接收者签密方案，为具有多名合法接收者的签名问题提供了解决途径，此方案不仅保持了基于身份加密的优点，具有签名多向性，而且其抗攻击性好，执行效率高，整个签密过程只需1次Tate对计算，随着指定接收者人数的增多，方案的效率优势会更加明显。
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| 关 键 词： | 数字签名 Tate对 多接收者加密 身份签密 |
| 文章编号： | 1672-3961（2006）03-0043-03 |
| 收稿时间： | 2005-09-29 |
A Tare pairing-based appointed multi-receiver signcryption scheme |
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| LI Mei, LI Da-xing.A Tare pairing-based appointed multi-receiver signcryption scheme[J].Journal of Shandong University of Technology,2006,36(3):43-45. |
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| Authors: | LI Mei LI Da-xing |
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| Affiliation: | Institute of Information Security, Shandong University, Jinan 250100, China |
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| Abstract: | A Tate Pairing-based appointed multi-receiver signcryption scheme is presented, in which some characteristics of Tate pairing are used. The new scheme offers a good way to solve the problem of signature with a lot of appointed receivers. Additionally, this scheme is simply designed and easily implemented. Only one pairing computation is needed in it to sign a single message for all appointed receivers. As a result, the efficiency gain of the new scheme is huge especially when there are a large number of recipients. |
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| Keywords: | digital signatures Tate pairing multi-receiver encryption ID-based signcryption |
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