Comment on “Quantum direct communication with authentication”

Zhang, Zhanjun; Liu, Jun; Wang, Dong; Shou-Hua, Shi

doi:10.1103/physreva.75.026301

Cited by 107 publications

(61 citation statements)

References 18 publications

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“…Different from them, the quantum cryptography protocols in Refs. [21][22][23][24][25][26][27][28][29][30] do not have the assumption of anthenticated classical channels and need to accomplish the authentication processes first. All of the protocols in Refs.…”

Section: Introductionmentioning

confidence: 99%

Quantum Authencryption with Two-Photon Entangled States for Off-Line Communicants

2015

Int J Theor Phys

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In this paper, a quantum authencryption protocol is proposed by using the twophoton entangled states as the quantum resource. Two communicants Alice and Bob share two private keys in advance, which determine the generation of two-photon entangled states. The sender Alice sends the two-photon entangled state sequence encoded with her classical bits to the receiver Bob in the manner of one-step quantum transmission. Upon receiving the encoded quantum state sequence, Bob decodes out Alice's classical bits with the twophoton joint measurements and authenticates the integrity of Alice's secret with the help of one-way hash function. The proposed protocol only uses the one-step quantum transmission and needs neither a public discussion nor a trusted third party. As a result, the proposed protocol can be adapted to the case where the receiver is off-line, such as the quantum E-mail systems. Moreover, the proposed protocol provides the message authentication to one bit level with the help of one-way hash function and has an information-theoretical efficiency equal to 100 %.

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Section: Introductionmentioning

confidence: 99%

Quantum Authencryption with Two-Photon Entangled States for Off-Line Communicants

2015

Int J Theor Phys

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“…However, not all the proposed protocols can reach this requirement. For example, some protocols were attacked successfully by subtle strategies which were not concerned when these protocols were originally designed [19][20][21][22][23][24][25][26][27][28][29] . In this paper we study a different kind of insecurity, i.e., information leakage.…”

Section: Introductionmentioning

confidence: 99%

Revisiting the security of quantum dialogue and bidirectional quantum secure direct communication

Gao

Guo

Wen

et al. 2008

Sci. China Ser. G-Phys. Mech. As

155

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“…Obviously, this strategy works for the CQSDC protocol if the participant who takes charge of generating the quantum signal is dishonest. In fact, not only the CQSDC protocols, the other quantum cryptographic protocols, such as quantum secret sharing (QSS) [21][22][23][24], quantum direct communication with authentication [25,26] and quantum signature [27] have similar hidden troubles.…”

mentioning

confidence: 98%

“…As they are useful in some urgent circumstances, many efforts have been made on them and lots of schemes were presented [5][6][7][8][9][10][11][12][13][14].…”

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confidence: 99%

Improving the Security of Controlled Quantum Secure Direct Communication by Using Four Particle Cluster States Against an Attack with Fake Entangled Particles

et al. 2010

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A controlled quantum secure direct communication protocol (Zhang et al. Int. J. Theor. Phys. 48:2971-2976) by using four particle cluster states was proposed recently. The aim of Zhang et al. was that the successful realization of communication between Alice and Bob needed the cooperation of a controller, Charlie. However, we show that the controller Charlie's role could be excluded unknowingly. Using fake entangled particles and Bell measurement, the dishonest Bob who generates the initial signals can elicit Alice's secret message without the permission of Charlie. A possible improvement of the protocol is proposed.Keywords Controlled secure direct communication · Cluster state · Fake entangled particles Based on fundamental principles of quantum mechanics, quantum cryptography [1] can obtain unconditional security. Since the first quantum key distribution (QKD) protocol was proposed by Bennett and Brassard [2], quantum cryptography has attracted a great deal of attention. QKD permits the communicators share a secure random key. Different from QKD, quantum secure direct communication (QSDC) [3] and deterministic secure quantum communication (DSQC) [4] are another branch of quantum cryptography, which allow the

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Comment on “Quantum direct communication with authentication”

Cited by 107 publications

References 18 publications

Quantum Authencryption with Two-Photon Entangled States for Off-Line Communicants

Quantum Authencryption with Two-Photon Entangled States for Off-Line Communicants

Revisiting the security of quantum dialogue and bidirectional quantum secure direct communication

Improving the Security of Controlled Quantum Secure Direct Communication by Using Four Particle Cluster States Against an Attack with Fake Entangled Particles

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