Comment on “Quantum secret sharing between multiparty and multiparty without entanglement”

Li, Chuan Ming; Chang, Chi Chao; Hwang, Tzonelih

doi:10.1103/physreva.73.016301

Cited by 28 publications

(16 citation statements)

References 1 publication

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“…Alice i 0 generates nN EPR pairs in the state secret message by cheating without the detection of other parties, which is the same as Alice m using the attack with EPR pairs in ref. [2]. However, all the weaknesses above can be avoided by the following improved QSS protocol.…”

Section: Review Of the Original Qss Protocol Between Multiparty And Mmentioning

confidence: 95%

“…The security of this present QSS protocol against the attacks in refs. [2,4] is discussed as follows.…”

Section: Securitymentioning

confidence: 99%

“…The checking procedure in M5 can avoid the attack with single photons and the attack with EPR pairs [2] . The fake-signal attack with EPR pairs [4] can be detected by the operations in M3 and the check in M2 and M5.…”

Section: Securitymentioning

confidence: 99%

“…After each member of group 2 measures the photons, the two groups share the secret messages. Unfortunately, Li et al [2] pointed out that if the mth party of group 1 is dishonest, she can obtain secret by substituting a sequence of single photons or a sequence of Einstein-Podolsky-Rosen (EPR) pairs generated by herself for the original photons without the detection of the other parties. In this paper, we present a protocol of quantum secret sharing between multiparty and multiparty with four states, which is an improvement over the one in ref.…”

mentioning

confidence: 99%

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Quantum secret sharing between multiparty and multiparty with four states

Yan

Gao

2007

SCI CHINA SER G

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A protocol of quantum secret sharing between multiparty and multiparty with four states was presented. It was shown that this protocol can nullify the Trojan horse attack with a multi-photon signal, the fake-signal attack with Einstein-PodolskyRosen pairs, the attack with single photons, and the attack with invisible photons. In addition, the upper bounds of the average success probabilities were given for dishonest agent eavesdropping encryption using the fake-signal attack with any two-particle entangled states. quantum secret sharing, security, Einstein-Podolsky-Rosen pairsRecently we proposed a quantum secret sharing (QSS) protocol between multiparty (m members in group 1) and multiparty (n members in group 2) using a sequence of single photons [1] . In our protocol, all members in group 1 directly encode their respective keys on the states of single photons via unitary operations, and then the last one (the mth member of group 1) sends 1/n of the resulting qubits to each of group 2. After each member of group 2 measures the photons, the two groups share the secret messages. Unfortunately, Li et al. [2] pointed out that if the mth party of group 1 is dishonest, she can obtain secret by substituting a sequence of single photons or a sequence of Einstein-Podolsky-Rosen (EPR) pairs generated by herself for the original photons without the detection of the other parties. In this paper, we present a protocol of quantum secret sharing between multiparty and multiparty with four states, which is an improvement over the one in ref. [1], and show that this improved protocol can prevent the dishonest member from this kind of cheating. Moreover, the present protocol is also secure against the Trojan horse attack with a multi-photon signal [3] , the fake-signal attack with EPR pairs [4] and the attack with invisible photons [5] . We also give the upper bounds of the average success probabilities for dishonest agent eavesdropping encryption using the fake-signal attack with any two-particle entangled states.

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Section: Review Of the Original Qss Protocol Between Multiparty And Mmentioning

confidence: 95%

“…The security of this present QSS protocol against the attacks in refs. [2,4] is discussed as follows.…”

Section: Securitymentioning

confidence: 99%

Section: Securitymentioning

confidence: 99%

mentioning

confidence: 99%

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Quantum secret sharing between multiparty and multiparty with four states

Yan

Gao

2007

SCI CHINA SER G

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“…Most of people focused on the presentation of new QSS protocols. Also a small part of people [21][22][23][24][25][26][27][28][29][30] focused on that the securities of some previous QSS protocols are reexamined and the security leaks are pointed out. Indeed, the latter is also a studying point on QSS.…”

Section: Introductionmentioning

confidence: 99%

Individual Attack on the Improved Multiparty Quantum Secret Sharing Protocol

et al. 2011

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Efficient Mediated Quantum Secret Sharing Protocol in a Restricted Quantum Environment

Tsai,

Wang

2023

Annalen der Physik

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The multiparty‐mediated quantum secret sharing (MQSS) protocol proposed by Tsai et al. [Quantum Inf. Process., 2022, 21, 63] allows n restricted users with limited quantum capabilities to share secret information using a dishonest third party with full quantum capabilities. Although the MQSS protocol allows restricted users to achieve secret sharing with lightweight quantum capabilities, the qubit efficiency of this protocol can be further improved. Therefore, this study proposes a measurement property of the graph state to design an efficient mediated quantum secret‐sharing protocol in the same quantum environment as that of Tsai et al.’s protocol. The proposed MQSS protocol not only inherits the lightweight property of Tsai et al.’s protocol but also improves the qubit efficiency of Tsai et al.’s protocol by times. Security analysis is performed to show that the proposed MQSS protocol can avoid collective, collusion, and Trojan horse attacks. Furthermore, this study uses quantum network simulation software to implement Tsai et al.’s protocol and the proposed protocol to prove the feasibility of the proposed MQSS protocol and show that it is more efficient than Tsai et al.’s protocol.

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Comment on “Quantum secret sharing between multiparty and multiparty without entanglement”

Cited by 28 publications

References 1 publication

Quantum secret sharing between multiparty and multiparty with four states

Quantum secret sharing between multiparty and multiparty with four states

Individual Attack on the Improved Multiparty Quantum Secret Sharing Protocol

Efficient Mediated Quantum Secret Sharing Protocol in a Restricted Quantum Environment

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