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A controlled multi-party quantum dialogue protocol in the network

机译:网络中的受控多方量子对话协议

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摘要

A controlled multi-party quantum dialogue scheme in the network based on high dimensional multi-qudit entangled GHZ states is proposed. In our scheme, a semi-honest third party (TP) is introduced to assist the implementation of the scheme. Each user can be thought of as one node in the network and is connected by classical links and quantum links. In the network, multiple users can exchange their private messages with each other simultaneously under the control of TP. With the aid of secure classical channels and quantum channels, the proposed protocol can be ensured with unconditionally security. In addition, our protocol requires single-qudit measurements only which weakens the hardware requirements of network nodes. Compared with previous quantum dialogue protocols, our scheme demonstrates a large operating flexibility.
机译:提出了基于高维多QUDIT纠结GHz状态的网络中网络的受控多方量子对话方案。 在我们的计划中,引入了一个半诚实的第三方(TP),以协助执行该计划。 每个用户都可以被认为是网络中的一个节点,并通过经典链接和量子链路连接。 在网络中,多个用户可以在TP的控制下同时交换其私人消息。 借助安全的经典信道和量子通道,可以通过无条件的安全性确保所提出的协议。 此外,我们的协议只需要单QUDIT测量,削弱了网络节点的硬件要求。 与以前的量子对话协议相比,我们的计划展示了大量的操作灵活性。

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