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基于ECC的自认证代理签密方案 被引量:5

Self-certified Proxy Signcryption Scheme Based on Elliptic Curve Cryptography
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摘要 为了克服代理签密中的证书管理问题和密钥托管问题,提出了一种新的基于椭圆曲线密码体制(ECC)的自认证代理签密方案,其困难性基于椭圆曲线离散对数问题(ECDLP)。与已有文献相比,此方案具有安全性强、密钥长度短、所需要存储空间少、占用带宽小、计算量和通信量低等优点。 To overcome certificate management problem and key escrow problem in proxy signcryption schemes, a new self-certified proxy signcryption scheme based on elliptic curve cryptography(ECC) was proposed,it hardness relys on elliptic curve discrete logarithm problem(ECDLP). Compared with the existence literatures, the proposed scheme possesses good security and shorter key,less requirement of storage space and less bandwith requirement,lower computational complexity and communication cost.
出处 《计算机科学》 CSCD 北大核心 2010年第7期91-92,101,共3页 Computer Science
基金 教育部科学技术研究重点项目(208148) 甘肃省科技攻关项目(2GS064--AS2-035-03) 青海省科技厅软课题项目(2008-Z-620) 青海省重点课程<现代操作系统>建设项目资助
关键词 代理签密 自认证代理签密 自认证签密 椭圆曲线离散对数问题 Proxy signcryption, Self-certified proxy signcryption, Self-certified signcryption, Elliptic curve discrete logarithm problem
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共引文献33

同被引文献57

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