Hierarchical Quantum Secret Sharing Based On Special High-Dimensional Entangled State

Qin, Huawang; Tang, Wallace K. S.; Tso, Raylin

doi:10.1109/jstqe.2020.2975600

Cited by 33 publications

(24 citation statements)

References 46 publications

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“…The employment of layered entangled states and semi-quantum secure communication protocols are not exclusive to QKD. In fact, the proposals of [18,22,[25][26][27]39] testify the generality of the secure communication with classical Bobs. Layered secure semi-quantum communication protocols, however, remain much less explored.…”

Section: Confidentiality Of the Keymentioning

confidence: 99%

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Layered semiquantum secure communication protocols

Bala¹,

Asthana²,

Ravishankar³

2022

Preprint

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In this paper, we harness the potential offered by multidimensional states in secure communication with only one quantum participant. We propose four protocols for-(i) layered semi-quantum key distribution (LSQKD), (ii) layered semi-quantum secret sharing (LSQSS), (iii) integrated layered semi-quantum key distribution and secret sharing (ILSQKD+SS), and, (iv) integrated layered semi-quantum secure direct communication and key distribution (ILSQSDC+KD) to share secret information in an arbitrary layered network. All the four protocols allow for simultaneous distribution of secure information in all the layers of a network, thanks to multidimensional states.

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Section: Confidentiality Of the Keymentioning

confidence: 99%

“…This constitutes a rich area of research [19,[34][35][36][37]. In fact, both QKD and QSS protocols to distribute secret information in a network have been proposed by employing layered entangled states [38,39]. Such states have already been experimentally realised in the orbital angular momentum degree of freedom [40,41].…”

Section: Introductionmentioning

confidence: 99%

Layered semiquantum secure communication protocols

Bala¹,

Asthana²,

Ravishankar³

2022

Preprint

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“…The first quantum secret sharing protocol was proposed in 1999 using three-photon entangled Greenberger-Horne-Zeilinger (GHZ) state for three participants [4]. Based on multipartite quantum entanglement, improved quantum secret sharing protocols [5][6][7][8][9][10] and experimental demonstrations [11][12][13][14] have been presented in the past 20 years. Nevertheless, difficulties in preparing and transmitting GHZ states constrains the secret key rate and stability of QSS systems, making it far from practical implementation.…”

Section: Introductionmentioning

confidence: 99%

Differential phase shift quantum secret sharing using a twin field

Cao

Yin

et al. 2021

Opt. Express

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Quantum secret sharing (QSS) is essential for multiparty quantum communication, which is one of cornerstones in the future quantum internet. However, a linear rate-distance limitation severely constrains the secure key rate and transmission distance of QSS. Here, we present a practical QSS protocol among three participants based on the differential phase shift scheme and twin field ideas for the solution of high-efficiency multiparty communication task. In contrast to formerly proposed differential phase shift QSS protocol, our protocol can break the linear PLOB bound, theoretically improving the secret key rate by three orders of magnitude in a 300-km-long fiber. Furthermore, the new protocol is secure against Trojan horse attacks that cannot be resisted by previous differential phase shift QSS.

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“…Some existing QSS protocols designed in the context of qudits have already been reported in Refs. [42,[45][46][47][48][49][50]. Herein, inspired by the previous (t, n) threshold QSS protocol [32], the author utilized the transmitted particles and local unitary operators to share the multi-particle entangled quantum state between dealer and agents.…”

Section: Introductionmentioning

confidence: 99%

A novel dynamic quantum secret sharing in high-dimensional quantum system

Zhou

et al. 2021

Quantum Inf Process

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This paper proposed a novel dynamic quantum secret sharing protocol in highdimensional quantum system. Via transmitting the particles circularly and local unitary operations, the dealer and all agents can share the multi-particle entangled GHZ state in high-dimensional quantum system. The proposed protocol allows a dealer to share the predetermined dits without directly distributing any piece of shares to agents. To recover the secrets, dealer and all agents only need to perform the singleparticle measurement operation and then implement the simple modular arithmetic operation according to their corresponding measurement results. Besides, in the proposed protocol, only a little fraction of entangled GHZ states are employed for eavesdropping check instead of lots of decoy (or detecting) particles used in previous protocols. Since the protocol is designed in the high-dimensional quantum system, it makes our protocol have higher resource capacity and better security in detecting the illegal eavesdropper than former protocols designed in two-dimensional quantum system. Security analyses indicate that the proposed protocol is immune to general attacks of intercept-and-resend, entangle-and-measure, collusion, and revoked a dishonest agent. Furthermore, the efficiency of proposed DQSS protocol in noise environment is deduced through quantum fidelity. The obtained results indicate that the efficiency of proposed protocol decreases with the increase in channel noise parameter and it has a quite different efficiency in four types of noise, i.e., dit-flip, d-phaseflip, amplitude-damping and depolarizing.

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Hierarchical Quantum Secret Sharing Based On Special High-Dimensional Entangled State

Cited by 33 publications

References 46 publications

Layered semiquantum secure communication protocols

Layered semiquantum secure communication protocols

Differential phase shift quantum secret sharing using a twin field

A novel dynamic quantum secret sharing in high-dimensional quantum system

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