投票
匿名
量子纠缠
计算机科学
协议(科学)
理论计算机科学
计算机安全
密码协议
量子
钥匙(锁)
电子投票
特征(语言学)
密码学
量子力学
政治学
物理
政治
医学
哲学
病理
法学
替代医学
语言学
作者
John A. Vaccaro,Joseph Spring,Anthony Chefles
标识
DOI:10.1103/physreva.75.012333
摘要
We describe quantum protocols for voting and surveying. A key feature of our schemes is the use of entangled states to ensure that the votes are anonymous and to allow the votes to be tallied. The entanglement is distributed over separated sites; the physical inaccessibility of any one site is sufficient to guarantee the anonymity of the votes. The security of these protocols with respect to various kinds of attack is discussed. We also discuss classical schemes and show that our quantum voting protocol represents a $N$-fold reduction in computational complexity, where $N$ is the number of voters.
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