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Multiparty controlled quantum secure direct communication protocol

Wang Jian Chen Huang-Qing Zhang Quan Tang Chao-Jing

Multiparty controlled quantum secure direct communication protocol

Wang Jian, Chen Huang-Qing, Zhang Quan, Tang Chao-Jing
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Publishing process
  • Received Date:  10 May 2006
  • Accepted Date:  12 June 2006
  • Published Online:  05 January 2007

Multiparty controlled quantum secure direct communication protocol

  • 1. 国防科学技术大学电子科学与工程学院,长沙 410073

Abstract: Based on the order rearrangement of single photon sequence, we present a multiparty controlled quantum secure direct communication protocol. The present protocol can be applied to some special scenario. In the protocol, the sender's secret message can only be recovered by the receiver under the permission of all the controllers. The security for the protocol is ensured by the quantum no-cloning theorem and the secret transmitting order of the single photon sequence. Moreover, all photons are used to encode the secret message except those chosen for eavesdropping check and it is unnecessary for the protocol to use entanglement. Our protocol is efficient and practicable.

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