Two avowable quantum communication schemes

Details Two avowable quantum communication schemes Two avowable quantum communication schemes

2008-01-26

arxiv.org/abs/0801.4053v1

Communications in Theoretical Physics, 50 (2008) 1109

Physics

Quantum Physics

4 pages

Scientific paper

Two avowable quantum communication schemes are proposed. One is an avowable teleportation protocol based on the quantum cryptography. In this protocol one teleports a set of one-particle states based on the availability of an honest arbitrator, the keys and the Einstein-Podolsky-Rosen pairs shared by the communication parties and the arbitrator. The key point is that the fact of the teleportation can neither be disavowed by the sender nor be denied by the receiver. Another is an avowable quantum secure direct communication scheme. A one-way Hash function chosen by the communication parties helps the receiver to validate the truth of the information and to avoid disavowing for the sender.

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