基于SM2的代理保护代理签名的设计与实现

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英文篇名：Design and implementation of proxy-protected proxy signature based on SM2 作者：郭青霄 ; 张大伟 ; 常亮 ; 刘晓东 ; 宋靖文 英文作者：GUO Qing-xiao;ZHANG Da-wei;CHANG Liang;LIU Xiao-dong;SONG Jing-wen;School of Computer and Information Technology, Beijing Jiaotong University;Guangxi Key Laboratory of Trusted Software, Guilin University of Electronic Technology;Institute of Network Information Security, Shandong University; 关键词：椭圆曲线 ; 代理签名 ; 代理保护代理签名 ; SM2数字签名 英文关键词：elliptic curve;;proxy signature;;proxy-protected proxy signature;;SM2 digital signature 中文刊名：WXAQ 英文刊名：Chinese Journal of Network and Information Security 机构：北京交通大学计算机与信息技术学院;桂林电子科技大学广西可信软件重点实验室;山东大学网络信息安全研究所; 出版日期：2017-09-15 出版单位：网络与信息安全学报 年：2017 期：v.3;No.22 基金：国家自然科学基金资助项目(No.61672091);; 广西可信软件重点实验室研究课题基金资助项目(No.KX201531)~~ 语种：中文; 页：WXAQ201709006 页数：8 CN：09 ISSN：10-1366/TP 分类号：51-58

摘要

基于国产密码算法SM2数字签名标准,设计了一种代理保护代理签名方案。通过对代理授权机制的设计,实现了对代理签名者的保护;通过对SM2数字签名算法的改进,实现了代理者代表原始签名者的代理签名;安全分析表明,设计的算法具有可验证性、可识别性、可区分性、不可否认性和强不可伪造性。最后,利用C语言及Polarssl库对该方案进行了实现,并与SM2数字签名进行了性能比较。分析表明,该算法在性能上具有较好的可用性。
        Based on the SM2 digital signature standard, a proxy-protected proxy signature scheme was designed. Through the design of the agent authorization mechanism, the protection of the proxy signer was realized. The proxy signature was realized by the proxy signer who represents the original signer through the improvement of the SM2 digital signature algorithm. The security analysis shows that the designed algorithm is verifiable, identifiable, distinguishable, non-repudiation, and strong unforgeability. Finally, the program was implemented using the C language and the Polarssl library, and the performance was compared with the SM2 digital signature. The analysis shows that the algorithm has good usability in performance.

引文

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