Two avowable quantum communication schemes are proposed.One is an avowable teleportation protocolbased on the quantum cryptography.In this protocol one teleports a set of one-particle states based on the availabilityo...Two avowable quantum communication schemes are proposed.One is an avowable teleportation protocolbased on the quantum cryptography.In this protocol one teleports a set of one-particle states based on the availabilityof an honest arbitrator,the keys and the Einstein-Podolsky-Rosen pairs shared by the communication parties and thearbitrator.The key point is that the fact of the teleportation can neither be disavowed by the sender nor be denied bythe receiver.Another is an avowable quantum secure direct communication scheme.A one-way Hash function chosenby the communication parties helps the receiver to validate the truth of the information and to avoid disavowing for thesender.展开更多
基金supported by National Natural Science Foundation of China under Grant No.10671054Natural Science Foundation of Hebei Province of China under Grant No.07M006the Key Project of Science and Technology Research of the Ministry of Education under Grant No.207011
文摘Two avowable quantum communication schemes are proposed.One is an avowable teleportation protocolbased on the quantum cryptography.In this protocol one teleports a set of one-particle states based on the availabilityof an honest arbitrator,the keys and the Einstein-Podolsky-Rosen pairs shared by the communication parties and thearbitrator.The key point is that the fact of the teleportation can neither be disavowed by the sender nor be denied bythe receiver.Another is an avowable quantum secure direct communication scheme.A one-way Hash function chosenby the communication parties helps the receiver to validate the truth of the information and to avoid disavowing for thesender.
