Abstract
In this paper, a controlled quantum dialogue protocol is designed based on five-qubit entangled states. One five-qubit entangled state can be used to exchange one communicant’s two private bits with the other communicant’s two private bits under the control of an honest supervisor. Security analysis turns out that it can overcome the information leakage problem and can resist the active attacks from an outside attacker. The designed protocol only needs single-particle measurements and Bell state measurements, both of which can be realized with current technologies.
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Pan, HM. Controlled Quantum Dialogue with Five-Qubit Entangled States. Int J Theor Phys 60, 3460–3466 (2021). https://doi.org/10.1007/s10773-021-04895-w
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DOI: https://doi.org/10.1007/s10773-021-04895-w