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Cryptanalysis of multiparty controlled quantum secure direct communication using Greenberger–Horne–Zeilinger state

✍ Scribed by Fei Gao; Su-Juan Qin; Qiao-Yan Wen; Fu-Chen Zhu

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
201 KB
Volume
283
Category
Article
ISSN
0030-4018

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Based on the idea of dense coding of three-photon entangled state and qubit transmission in blocks, we present a multiparty controlled quantum secret direct communication scheme by using Greenberger-Horne-Zeilinger state. In the present scheme, the sender transmits three bits of secret message to th