中国物理学会期刊网
Chin. Phys. Lett.  2005, Vol.22 Issue (1): 22-24  
Quantum Dialogue Revisited
1Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 4300712School of Physics and Material Science, Anhui University, Hefei 2300393Department of Physics, Center China Normal University, Wuhan 430079

Abstract

An entanglement-based quantum dialogue protocol [Phys. Lett. A 328(2004)6] is proven to be insecure: that is, in the protocol an eavesdropper can steal the secret messages without being detected provided that he/she adopts the intercept-and-resend attack strategy. We modify the protocol, i.e. in the control mode, by introducing and randomly choosing two sets of measuring basis: the intercept-and-resend attack can be accordingly detected. Hence, within the present version two users can securely and simultaneously exchange their secret messages.

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[英文]
MAN Zhong-Xiao, ZHANG Zhan-Jun, LI Yong. Quantum Dialogue Revisited[J]. CPL, 2005, 22(1): 22-24.
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