| 一种抗并行攻击的Fiat-Shamir签名协议 |
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| 引用本文： | 邓红素,万钧,赵一鸣,朱洪.一种抗并行攻击的Fiat-Shamir签名协议[J].小型微型计算机系统,2004,25(5):924-926. |
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| 作者姓名： | 邓红素 万钧 赵一鸣 朱洪 |
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| 作者单位： | 复旦大学,计算机科学与工程系,上海,200433 |
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| 基金项目： | 国家自然科学基金 ( 60 0 0 3 0 0 7)资助 |
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| 摘 要： | 和以前实现的数字签名一样，一般的Fiat-Shamir数字签名方案虽然不需要可信任的第三方介入，但它的信息是逐位公开的，因而就不能保证它可抗并行攻击．本文利用限时提交协议实现了一个抗并行攻击的Fiat-Shamir签名方案，并对它的安全性和效率进行了分析．
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| 关 键 词： | Fiat-Shamir签名方案 限时提交协议 限时签名方案 |
| 文章编号： | 1000-1220(2004)05-0924-03 |
Fiat-Shamir Signature Protocol Against Parallel Exhaustive Search Attack |
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| DENG Hong su,WAN Jun,ZHAO Yi ming,ZHU Hong.Fiat-Shamir Signature Protocol Against Parallel Exhaustive Search Attack[J].Mini-micro Systems,2004,25(5):924-926. |
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| Authors: | DENG Hong su WAN Jun ZHAO Yi ming ZHU Hong |
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| Abstract: | Like all previously proposed contract signature protocols, the Fiat shamir digital signature scheme, a pure two party protocol, can't guarantee to immune to parallel exhaustive search attacks, for the actual signature is released bit by bit. In this paper, we combine the Fiat shamir signature with the timed commit scheme to get a protocol which is against parallel exhaustive search attacks, and give its secure analysis and efficiency analysis. |
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| Keywords: | fiat shamir signature scheme timed commitment scheme timed signature scheme |
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