Abstract
In this paper, we construct a semi-quantum dialogue (SQD) protocol by using Bell entangled states as the initial quantum resource. The information leakage problem is prevented by utilizing the entanglement correlation of two particles from one Bell entangled state. The security towards active attacks from an outside Eve is guaranteed by twice security checks and one classical one-time pad encryption process. The proposed SQD protocol can be realized in experiment with present quantum technologies. Compared with the traditional quantum dialogue (QD) protocols without information leakage, the advantage of the proposed SQD protocol lies in that it doesn’t require both communicants to possess quantum capabilities.
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Pan, HM. Semi-Quantum Dialogue with Bell Entangled States. Int J Theor Phys 59, 1364–1371 (2020). https://doi.org/10.1007/s10773-019-04335-w
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DOI: https://doi.org/10.1007/s10773-019-04335-w