Quantum Oblivious Transfer: a secure practical implementation

Nagy, Marius; Nagy, Naya

doi:10.1007/s11128-016-1438-1

Cited by 3 publications

(8 citation statements)

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“…The details of this verification were provided in Section 3 of Ref. [30]. In brief, she picks a sequence and asks Bob to announce the state of each qubit, and checks whether the announced numbers of |0 , |1 , |+ , and |− in this sequence are equal.…”

Section: The Ot Protocol Of Nagy Et Almentioning

confidence: 99%

“…[11,12] Therefore, researchers sought for practically secure OT in recent years. [13][14][15][16][17][18][19][20][21][22][23][24][25][26][27][28][29] Recently, Nagy et al [30] proposed a very feasible quantum OT protocol, which does not require quantum storage when all participants are honest. The authors proved that the protocol is secure against individual measurements, as well as 2-qubit entanglement-based attacks.…”

Section: Introductionmentioning

confidence: 99%

“…[31] that if Bob has the technology to handle 5-body entangled states, then in the protocol of Ref. [30], he can learn b unambiguously with probability 62.5% using von Neumann measurements, or 64.6% using positive operator-valued measure (POVM).…”

Section: Introductionmentioning

confidence: 99%

“…We will first review the OT protocol of Ref. [30] in Section 2. Then in Section 3, we will use the N = 1 case of the protocol as an example, to elaborate the cheating strategy using 4-body entangled states.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Coherent attacks on a practical quantum oblivious transfer protocol

2018

Chinese Phys. B

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In a recent quantum oblivious transfer protocol proposed by Nagy et al., it was proven that attacks based on individual measurements and 2-qubit entanglement can all be defeated. Later we found that 5-body entanglement-based attacks can break the protocol. Here we further tighten the security bound, by showing that the protocol is insecure against 4-body entanglement-based attacks, while being immune to 3-body entanglement-based attacks. Also, increasing the number of qubits in the protocol is useless for improving its security.

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Section: The Ot Protocol Of Nagy Et Almentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Coherent attacks on a practical quantum oblivious transfer protocol

2018

Chinese Phys. B

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show abstract

“…; Schaffner (2010); Sikora (2012); Chailloux, Kerenidis and Sikora (2013); Yang, Yang, Lei et al (2015)] and experiment[Fattal, Fiorentino, Chefles et al (2008); Li,Wen, Qin et al (2014);Nagy and Nagy (2017)]. …”

mentioning

confidence: 99%

Quantum Communication Networks and Trust Management: A Survey

Zhang¹,

Yan²,

Yan³

et al. 2019

Computers, Materials &Amp; Continua

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This paper summarizes the state of art in quantum communication networks and trust management in recent years. As in the classical networks, trust management is the premise and foundation of quantum secure communication and cannot simply be attributed to security issues, therefore the basic and importance of trust management in quantum communication networks should be taken more seriously. Compared with other theories and techniques in quantum communication, the trust of quantum communication and trust management model in quantum communication network environment is still in its initial stage. In this paper, the core technologies of establishing secure and reliable quantum communication networks are categorized and summarized, and the trends of each direction in trust management of quantum communication network are discussed in depth.

Quantum Oblivious Transfer: a secure practical implementation

Cited by 3 publications

References 10 publications

Coherent attacks on a practical quantum oblivious transfer protocol

Coherent attacks on a practical quantum oblivious transfer protocol

Quantum Communication Networks and Trust Management: A Survey

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