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Quantum Secure Direct Communication with Authentication Using Two Nonorthogonal States |
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| Authors: | Chao-Hua Yu Gong-De Guo Song Lin |
| Affiliation: | 1. School of Mathematics and Computer Science, Fujian Normal University, Fuzhou, 350007, China 2. Key Lab of Network Security and Cryptography, Fujian Normal University, Fuzhou, 350007, China |
| Abstract: | A quantum secure direct communication protocol with authentication using only two nonorthogonal states is presented. In the protocol, a one-way hash function is utilized for two-way authentication and two one-particle unitary operations are used for encoding. Moreover, it has been shown that this protocol is secure against some common attacks. |
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