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Three-Party Quantum Key Agreement with Two-Photon Entanglement |
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| Authors: | Xun-Ru Yin Wen-Ping Ma Wei-Yan Liu |
| Institution: | 1. State Key Laboratory of Integrated Service Networks, Xidian University, Xi’an, 710071, China 2. School of Mathematics, Taishan University, Tai’an, 271021, China 3. School of Science, Northwestern Polytechnical University, Xi’an, 710072, China |
| Abstract: | A three-party quantum key agreement protocol with two-qubit entangled states is proposed. In this paper, the three parties are entirely peer entities and each party has a equal contribution to the establishment of the shared secret key. Moreover, any subset of the three participants except the universal set can not determine the shared key alone. Finally, the security analysis shows that the present protocol can resist against both the outsider attack and the insider attack. |
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