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Controlled Deterministic Secure Quantum Communication Protocol Based on Three-Particle GHZ States in X-BasisSupported by the National Natural Science Foundation of China under Grant No. 61402058, Science and Technology, Sichuan Province of China under Grant No. 2013GZX0137, Fund for Young Persons Project of Sichuan Province of China under Grant No. 12ZB017, and the Foundation of Cyberspace Security Key Laboratory of Sichuan Higher Education Institutions under Grant No. szjj2014-074. (1st March 2015)
Record Type:
Journal Article
Title:
Controlled Deterministic Secure Quantum Communication Protocol Based on Three-Particle GHZ States in X-BasisSupported by the National Natural Science Foundation of China under Grant No. 61402058, Science and Technology, Sichuan Province of China under Grant No. 2013GZX0137, Fund for Young Persons Project of Sichuan Province of China under Grant No. 12ZB017, and the Foundation of Cyberspace Security Key Laboratory of Sichuan Higher Education Institutions under Grant No. szjj2014-074. (1st March 2015)
Main Title:
Controlled Deterministic Secure Quantum Communication Protocol Based on Three-Particle GHZ States in X-BasisSupported by the National Natural Science Foundation of China under Grant No. 61402058, Science and Technology, Sichuan Province of China under Grant No. 2013GZX0137, Fund for Young Persons Project of Sichuan Province of China under Grant No. 12ZB017, and the Foundation of Cyberspace Security Key Laboratory of Sichuan Higher Education Institutions under Grant No. szjj2014-074
<abstract> <title>Abstract</title> <p>A controlled deterministic secure quantum communication (CDSQC) protocol is proposed based on three-particle GHZ state in X-basis. Only X-basis and Z<sub>1</sub>Z<sub>2</sub>X<sub>3</sub>-basis (composed of Z-basis and X-basis) measurement are required, which makes the scheme more convenient than others in practical applications. By distributing a random key between both sides of the communication and performing classical XOR operation, we realize a one-time-pad scheme, therefore our protocol achieves unconditional secure. Because only user with legitimate identity string can decrypt the secret, our protocol can resist man-in-the middle attack. The three-particle GHZ state in X-basis is used as decoy photons to detect eavesdropping. The detection rate reaches 75% per qubit.</p> </abstract>