2022
DOI: 10.3389/fphy.2022.1029262
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Semi-quantum key distribution with two classical users

Abstract: Semi-quantum key distribution (SQKD) is an important research issue which allows one quantum participant equipped with advanced quantum devices to distribute a shared secret key securely with one classical user who has restricted capabilities. In this paper, we propose a SQKD protocol which allows one quantum user to distribute two different private secret keys to two classical users respectively at the same time. Alice distributes two particle sequences from Bell states to Bob and Charlie respectively. Once t… Show more

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Cited by 3 publications
(10 citation statements)
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“…Hence, In addition, the comparison of this protocol and present SQKD protocols using Bell states without a third party [8,9,11] are made. The comparison results are shown in Table 2 for clarity.…”
Section: Discussionmentioning
confidence: 99%
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“…Hence, In addition, the comparison of this protocol and present SQKD protocols using Bell states without a third party [8,9,11] are made. The comparison results are shown in Table 2 for clarity.…”
Section: Discussionmentioning
confidence: 99%
“…It is apparent from Table 2 that compared with the SQKD protocols in Refs. [8,9,11], this protocol has the highest qubit efficiency and has the merit that the reflecting operations of the classical user contribute to the generation of final shared key.…”
Section: Discussionmentioning
confidence: 99%
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