An Improved Protocol for Controlled Deterministic Secure Quantum Communication Using Five-Qubit Entangled State

Shih Hung Kao, Jason Lin, Chia Wei Tsai, Tzone-Lih Hwang

Research output: Contribution to journalArticle

Abstract

In early 2009, Xiu et al. (Opt. Commun. 282(2) 333–337 2009) presented a controlled deterministic secure quantum communication (CDSQC) protocol via a newly constructed five-qubit entangled quantum state. Later, Qin et al. (Opt. Commun. 282(13), 2656–2658 2009) pointed out two security loopholes in Xiu et al.’s protocol: (1) A correlation-elicitation (CE) attack can reveal the entire secret message; (2) A leakage of partial information for the receiver is noticed. Then, Xiu et al. (Opt. Commun. 283(2), 344–347 2010) presented a revised CDSQC protocol to remedy the CE attack problem. However, the information leakage problem still remains open. This work proposes a new CDSQC protocol using the same five-qubit entangled state which can work without the above mentioned security problems. Moreover, the Trojan Horse attacks can be automatically avoided without using detecting devices in the new CDSQC.

Original languageEnglish
Pages (from-to)1894-1902
Number of pages9
JournalInternational Journal of Theoretical Physics
Volume57
Issue number6
DOIs
Publication statusPublished - 2018 Jun 1

Fingerprint

Quantum Communication
quantum communication
Secure Communication
Entangled State
Qubit
Communication Protocol
attack
Elicitation
Attack
Leakage
leakage
Partial Information
messages
Quantum State
Receiver
receivers
Entire

All Science Journal Classification (ASJC) codes

  • Mathematics(all)
  • Physics and Astronomy (miscellaneous)

Cite this

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abstract = "In early 2009, Xiu et al. (Opt. Commun. 282(2) 333–337 2009) presented a controlled deterministic secure quantum communication (CDSQC) protocol via a newly constructed five-qubit entangled quantum state. Later, Qin et al. (Opt. Commun. 282(13), 2656–2658 2009) pointed out two security loopholes in Xiu et al.’s protocol: (1) A correlation-elicitation (CE) attack can reveal the entire secret message; (2) A leakage of partial information for the receiver is noticed. Then, Xiu et al. (Opt. Commun. 283(2), 344–347 2010) presented a revised CDSQC protocol to remedy the CE attack problem. However, the information leakage problem still remains open. This work proposes a new CDSQC protocol using the same five-qubit entangled state which can work without the above mentioned security problems. Moreover, the Trojan Horse attacks can be automatically avoided without using detecting devices in the new CDSQC.",
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An Improved Protocol for Controlled Deterministic Secure Quantum Communication Using Five-Qubit Entangled State. / Kao, Shih Hung; Lin, Jason; Tsai, Chia Wei; Hwang, Tzone-Lih.

In: International Journal of Theoretical Physics, Vol. 57, No. 6, 01.06.2018, p. 1894-1902.

Research output: Contribution to journalArticle

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