Articles with "quantum key" as a keyword



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Mediated Semi‐Quantum Key Distribution Using Single Photons

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Published in 2019 at "Annalen der Physik"

DOI: 10.1002/andp.201800347

Abstract: A new mediated semi‐quantum key distribution (SQKD) protocol is proposed, allowing two classical participants to share a secret key with the help of an untrusted third party, who only needs to generate single photons and… read more here.

Keywords: semi quantum; quantum key; mediated semi; key distribution ... See more keywords
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Three-Party Quantum Key Agreement Protocol with Seven-Qubit Entangled States

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Published in 2018 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-018-3865-5

Abstract: A new three-party quantum key agreement protocol based on seven-qubit states is proposed. In this protocol, each participant adopts different encryption methods to transmit a secret key of the same length. Subsequently, the participants utilize… read more here.

Keywords: protocol; three party; key agreement; quantum key ... See more keywords
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Multiparty Quantum Key Agreement with Four-Qubit Symmetric W State

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Published in 2018 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-018-3884-2

Abstract: Based on four-qubit symmetric W state, the delayed measurement, decoy photos method, block transmission technique and the dense coding method, a multi-party quantum key agreement protocol is proposed. By utilizing the delayed measurement and decoy… read more here.

Keywords: qubit symmetric; four qubit; key agreement; symmetric state ... See more keywords
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Multiparty Quantum Key Agreement Based on Three-Photon Entanglement with Unidirectional Qubit Transmission

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Published in 2018 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-018-3960-7

Abstract: A multiparty quantum key agreement protocol based on three-photon entangled states is proposed. In this scheme, the quantum channel between all parties is that of a closed loop, in which the qubit transmission is one-way.… read more here.

Keywords: based three; qubit transmission; multiparty quantum; key agreement ... See more keywords
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Semi-Quantum Key Agreement and Private Comparison Protocols Using Bell States

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Published in 2019 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-019-04252-y

Abstract: Semi-quantum protocol uses fewer resources and more flexible, which can still guarantee the unconditional safety. Based on Bell states, this paper first presents a semi-quantum key agreement protocol which allows two classical parties (Alice and… read more here.

Keywords: bell states; key agreement; protocol; semi quantum ... See more keywords
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Designing Secure Quantum Key Agreement Protocols Against Dishonest Participants

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Published in 2019 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-019-04275-5

Abstract: Quantum key agreement (QKA) aims to negotiate a secure and consistent key among several participants. In this paper, we find that a type of QKA protocol is not secure when a participant is dishonest. He… read more here.

Keywords: key agreement; quantum key; designing secure; secure ... See more keywords
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Collusion Attack and Counterattack on the Quantum Key Agreement Via Non-maximally Entangled Cluster States

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Published in 2020 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-020-04695-8

Abstract: Recently, Li et al. (Int J Theor Phys: DOI: https://doi.org/10.1007/s10773-020-04588-w , 2020) proposed a multiparty quantum key agreement protocol via non-maximally entangled cluster states. They claimed that the proposed protocol can help all the involved… read more here.

Keywords: entangled cluster; key agreement; maximally entangled; non maximally ... See more keywords
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Cryptanalysis and Improvement in Multi-Party Quantum Key Distribution Protocol with New Bell States Encoding Mode

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Published in 2021 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-021-04927-5

Abstract: Ma et al. [Int. J. Theor. Phys. (2021): 1328–1338] proposed a multi-party quantum key distribution (MQKD) protocol using Bell states, in which multiple participants can distribute a group key efficiently. However, this study indicates that… read more here.

Keywords: bell states; party quantum; multi party; key distribution ... See more keywords
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Cryptanalysis of a multiparty quantum key agreement protocol based on commutative encryption

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Published in 2017 at "Quantum Information Processing"

DOI: 10.1007/s11128-017-1647-2

Abstract: Recently, Sun et al. (Quantum Inf Process 15(5):2101–2111, 2016) proposed an efficient multiparty quantum key agreement protocol based on commutative encryption. The aim of this protocol is to negotiate a secret shared key among multiple… read more here.

Keywords: quantum; multiparty quantum; key agreement; protocol ... See more keywords
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Implementation of a hybrid scheme for coherent plug-and-play quantum key distribution

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Published in 2018 at "Quantum Information Processing"

DOI: 10.1007/s11128-018-1941-7

Abstract: We experimentally demonstrate a hybrid configuration for quantum key distribution that combines the simplicity of distributed-phase-reference protocols with the self-referencing features and polarization insensitivity of the so-called plug-and-play system. Additionally, all the components are arranged… read more here.

Keywords: plug play; quantum key; key distribution; distribution ... See more keywords
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Tunable multi-party high-capacity quantum key distribution based on m-generalized Fibonacci sequences using golden coding

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Published in 2018 at "Quantum Information Processing"

DOI: 10.1007/s11128-018-2018-3

Abstract: Practical communication settings for quantum key distribution (QKD) are very complex, and the number of participants should be tunable. Given these, we propose a tunable multi-party high-capacity QKD protocol based on m-generalized Fibonacci sequences and… read more here.

Keywords: party high; multi party; tunable multi; golden coding ... See more keywords