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A Novel Multiparty Quantum Secret Sharing Scheme of Secure Direct Communication Based on Bell States and Bell Measurements |
| SHI Run-Hua1,2**, HUANG Liu-Sheng1,3, YANG Wei1,3, ZHONG Hong2
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1National High Performance Computing Center at Hefei, Department of Computer Science and Technology, University of Science and Technology of China, Hefei 230027
2School of Computer Science and Technology, Anhui University, Hefei 230039
3Suzhou Institute for Advanced Study, University of Science and Technology of China, Suzhou 215123
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| Cite this article: |
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SHI Run-Hua, HUANG Liu-Sheng, YANG Wei et al 2011 Chin. Phys. Lett. 28 050303 |
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Abstract We present a novel quantum secret sharing scheme of secure direct communication and analyze its security. This scheme takes Einstein–Podolsky–Rosen (EPR) pairs in Bell states as quantum resources. In order to obtain the direct communication message, all agents only need to perform Bell measurements, not to perform any local unitary operation. The total efficiency in this scheme approaches 100% as the classical information exchanged is unnecessary except for the eavesdropping checks.
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| Keywords:
03.67.Dd
03.67.Ac
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Received: 01 August 2010
Published: 26 April 2011
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| PACS: |
03.67.Dd
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(Quantum cryptography and communication security)
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03.67.Ac
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(Quantum algorithms, protocols, and simulations)
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