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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Bidirectional Quantum Secure Direct Communication Based on Entanglement
verfasst von : Dazu Huang, Zhigang Chen, Jianquan Xie, Ying Guo
Erschienen in: Advances in Security Technology
Verlag: Springer Berlin Heidelberg
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Based on entanglement,a bidirectional quantum secure direct communication scheme is proposed to exchange directly the communicators’ secret messages . In this scheme the messages are encoded in the entanglement state. our scheme has great capacity to distribute the secret messages since these messages have been imposed on high-dimensional Bell states via the local unitary operations with superdense coding. Security analysis indicates that this scheme is secure against the present Trojan horse attack and the current attack strategyand it can also ensure the security of the messages in a low noisy channel.