自计票电子投票方案的分析与改进

ANALYSIS AND IMPROVEMENT FOR SELF-TALLYING ELECTIONS

K iayias和Yung首次提出了自计票电子投票方案,使得小规模电子选举不需要任何可信第三方参与,选举的行为公开可验证,有力地保证了选举的秘密性,G roth在此基础上做了改进,使得方案更简洁、高效;然而G roth方案仍只用于双候选人选举,且不允许两个选民同时投票。简要介绍并分析了G roth方案,针对上述两点不足给出改进建议,使新方案更高效且用于多候选人选举。

Kiayias and Yung first put forward self-tallying voting scheme,it makes the boardroom voting verifiable and don＇t need trust authority any more, thus the scheme is more privacy, Groth suggests a simple but more efficient scheme based on this, but it only suit to yes-no election and can not permit two or more people vote simultaneously;This paper introduces and analyzes Groth＇s schemes briefly and give some suggestions,the new scheme can be apply for multi-candidate and large scale election with more efficient.