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计算机系统应用:2019,28(2):146-151
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基于同态加密的多候选人电子投票方案
何倩, 沈炜
(浙江理工大学 信息学院, 杭州 310018)
Multi-Candidate Electronic Voting Scheme Based on Homomorphic Encryption
HE Qian, SHEN Wei
(School of Information Science and Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China)
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投稿时间:2018-08-15    修订日期:2018-09-05
中文摘要: 电子投票因其便捷的特性,日益受到人们的青睐.然而电子投票中所暴露出来的安全问题成为人们所关注的重点,如何保证电子投票中的匿名性,公开可验证性等成为一个值得关注的问题.针对现有电子投票中存在的各种问题,基于数字签名算法和全同态加密提出了一种多候选人电子投票方案.该方案采用椭圆曲线数字签名算法解决电子投票中的身份认证问题;利用全同态加密技术实现对选票加密以及对加密选票的同态计算;为了能够对选票进行批量处理,采用SIMD技术打包选票;针对加密选票计票中存在的编解码问题设计了一种同态计票器.最后基于电子投票的八个安全特性对方案的安全性进行了分析,表明该方案是安全可行的.
Abstract:Electronic voting is increasingly popular because of its convenience. However, the security problems exposed in electronic voting have become the focus of attention. How to ensure anonymity and verifiability in electronic voting has become a concern. Aiming at various problems in existing electronic voting, a multi-candidate electronic voting scheme is proposed based on digital signature algorithm and full homomorphic encryption. This scheme uses elliptic curve digital signature algorithm to solve the problem of identity authentication in electronic voting. The homomorphic encryption technology is used to realize the encryption of votes and homomorphism calculation of encrypted votes. To be able to batch votes, SIMD technology is used to packing votes. A homomorphic addition ticket counter was designed for the codec problem of encrypted votes counting. Finally, the security of the scheme is analyzed based on the eight security features of electronic voting, which shows that the scheme is safe and feasible.
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何倩,沈炜.基于同态加密的多候选人电子投票方案.计算机系统应用,2019,28(2):146-151
HE Qian,SHEN Wei.Multi-Candidate Electronic Voting Scheme Based on Homomorphic Encryption.COMPUTER SYSTEMS APPLICATIONS,2019,28(2):146-151

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