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不可否认的可公开验证的代理多重签密方案

Nonrepudiable Proxy Multi-Signcryption Scheme with Public Verifiability
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摘要 针对现有的代理签名仅能提供授权的认证而不能提供保密性的弱点,提出了一种有效的代理多重签密方案。该方案具有如下特点:原始签名人与代理签密人之间不必使用安全信道;只有指定的接收者能验证代理签密的有效性;当代理签名人否认签密时,接收者可单独将代理签密转换为一般的代理签名。 Most previous proxy signatures only provide the delegated authenticity and don＇t provide the confidentiality. An efficient proxy multi-signcryption scheme is presented. The proposed scheme has the following properties： Original signer and proxy signer don＇t use secure channel; Only the specified recipient can check the validity of the proxy signcryption; When the proxy signer repudiates the signcryption, the recipient can convert this proxy signcryption into an ordinary proxy signature alone.
作者 甘元驹 谢仕义 付东洋 郑小平
机构地区 广东海洋大学信息学院
出处 《计算机工程》 CAS CSCD 北大核心 2007年第2期130-132,共3页 Computer Engineering
基金 国家自然科学基金资助项目(60173041) 广东海洋大学自然科学基金资助项目
关键词 密码学 代理签密 不可否认性 公开验证 Cryptography Proxy signcryption Nonrepudiable Public verifiability
分类号 TP309 [自动化与计算机技术—计算机系统结构]
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参考文献12

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二级参考文献19

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计算机工程
2007年 第2期

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