2011
DOI: 10.1007/s10773-011-0994-5
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Quantum Private Comparison Using Genuine Four-Particle Entangled States

Abstract: In this paper, a quantum private comparison protocol is proposed based on χ -type state. According to the protocol, two parties can determine the equality of their information with the assistant of a semi-honest third party. Due to utilizing quantum superdense coding, this protocol provides a high efficiency and capacity. Moreover, its security is also discussed.

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Cited by 59 publications
(34 citation statements)
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“…On the other hand, secure multi-party computation (SMC) has also been discussed in the quantum mechanism. Many special SMC problems have been solved in quantum setting, for instance, quantum private comparison (QPC) [10][11][12][13][14][15][16][17][18][19], quantum protocols for millionaire problem [20,21], quantum voting [22,23] and quantum auctions [24,25].…”
mentioning
confidence: 99%
“…On the other hand, secure multi-party computation (SMC) has also been discussed in the quantum mechanism. Many special SMC problems have been solved in quantum setting, for instance, quantum private comparison (QPC) [10][11][12][13][14][15][16][17][18][19], quantum protocols for millionaire problem [20,21], quantum voting [22,23] and quantum auctions [24,25].…”
mentioning
confidence: 99%
“…In essence, its security is guaranteed by the hash function. Since then, with different categories of quantum states, many other QPCE protocols have been proposed [18][19][20][21][22][23][24]. Recently, Liu et al [25] proposed a QPCE protocol based on Bell states.…”
Section: Introductionmentioning
confidence: 99%
“…The first QPC protocol is proposed by Yang et al [28,29] using Einstein-Podolsky-Rosen (EPR) pairs. Since then many QPC protocols have been proposed [28][29][30][31][32][33][34][35][36][37]. Most of them employed entangled states, including GHZ states and Bell states.…”
Section: Introductionmentioning
confidence: 99%
“…It is feasible with the present techniques. Based on the assumptions described in the previous QPC protocols [28][29][30][31][33][34][35], the features that we want our protocol to have are as follows.…”
Section: Introductionmentioning
confidence: 99%