基于多项式秘密共享的前摄性门限RSA签名方案

徐甫

doi:10.11999/JEIT151164

基于多项式秘密共享的前摄性门限RSA签名方案

doi: 10.11999/JEIT151164

徐甫¹

基金项目:

国家科技重大专项(2012ZX03002003)

计量
- 文章访问数: 1730
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- 被引次数: 0
出版历程
- 收稿日期: 2015-10-21
- 修回日期: 2016-06-06
- 刊出日期: 2016-09-19

Proactive Threshold RSA Signature Scheme Based on Polynomial Secret Sharing

XU Fu¹

Funds:

The National Science and Technology Major Project of China (2012ZX03002003)

摘要

摘要: 现有可证明安全的前摄性门限RSA签名方案均依赖加性秘密共享方法，存在每次签名均需所有成员参与，易暴露合法成员的秘密份额，签名效率低下等问题。该文以Shoup门限签名为基础，提出一种基于多项式秘密共享的前摄性门限RSA签名方案，并对其进行了详细的安全性及实用性分析。结果表明，在静态移动攻击者模型中，该方案是不可伪造的和稳健的，与现有同类方案相比，其通信开销更低，运算效率更高。
- 门限签名 /
- RSA /
- 多项式秘密共享 /
- 前摄性
Abstract: All the existing provable secure proactive threshold RSA signature schemes rely on additive secret sharing, in which all players have to cooperate to produce a signature, valid players secret shares may be exposed, and the computing efficiency is too low. Based on Shoups threshold RSA signature scheme, a proactive threshold RSA signature scheme is proposed by using polynomial secret sharing, and its security and practicability are analyzed. Results show that the proposed scheme is unforgeable and robust under the model of static mobile adversary, and compared with the existing comparable schemes, its communication overhead is lower and computing efficiency is higher.
- Threshold signature /
- RSA /
- Polynomial secret sharing /
- Proactiveness

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参考文献(22)

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