论文标题
量度抛光半量子私人比较而无需纠缠
Measure-resend semi-quantum private comparison without entanglement
论文作者
论文摘要
在本文中，我们通过使用两个粒子产品状态作为初始准备的量子资源，成功地设计了半量子私人比较（SQPC）协议，并通过量度抛光特征，该协议允许两个经典用户在量子第三方（TP）的帮助下比较其私人秘密的平等。量子TP是半honest的，因为他被允许独自表现不佳，但不能与任何一个用户合谋。可以保证对外部攻击的输出正确性和安全性和参与者攻击。与以前的SQPC协议相比，我们的协议的优点在于，它仅采用两粒子乘积状态作为初始准备的量子资源，仅需要TP执行单光子测量，并且不需要量子纠缠交换。我们的协议可以通过当前的量子技术实现。
In this paper, we successfully design the semi-quantum private comparison (SQPC) protocol with the measure-resend characteristic by using two-particle product states as the initial prepared quantum resource which allows two classical users to compare the equality of their private secrets under the help of a quantum third party (TP). The quantum TP is semi-honest in the sense that he is allowed to misbehave on his own but cannot conspire with either of users. Both the output correctness and the security against the outside attack and the participant attack can be guaranteed. Compared with the previous SQPC protocols, the advantage of our protocol lies in that it only employs two-particle product states as the initial prepared quantum resource, only requires TP to perform single-photon measurements and does not need quantum entanglement swapping. Our protocol can be realized with current quantum technologies.
