Quantum voting protocol based on controlled quantum secure direct communication

Abstract

Abstract:

Based on the controlled quantum secure direct communication (CQSDC), a quantum voting protocol with Greenberger-Home-Zeilinger-like state is proposed. In the proposed protocol, the supervisor, Charlie, is responsible for establishing GHZ-like quantum channels, and supervises the behavior of the voter, Alice, and the teller, Bob. Alice generates and sends out the vote according to the voting rules and her own wishes, and Bob decodes the vote and counts it with the help of Charlie. The proposed protocol does not require a quantum state to be transmitted between Alice and Bob as a ticket, simply measuring the particles it owns and transmitting the information through the classic bits. Compared with other quantum voting protocols, the proposed protocol makes full use of the CQSDC and entanglement swapping principle, and it improves the voting efficiency significantly.

Key words: quantum optics, quantum voting, entanglement exchange, controlled quantum secure direct communication, GHZ-like state

QIN Jiaqi, SHI Runhua, ZHANG Rui. Quantum voting protocol based on controlled quantum secure direct communication[J]. Chinese Journal of Quantum Electronics, 2018, 35(5): 558-566.

References

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