【摘 要】
：
A protocol of quantum secret sharing between multiparty and multiparty with four states was presented. It was shown that this protocol can nullify the Trojan ho
【机 构】
：
College of Physics and Information Engineering,College of Mathematics and Information Science
【基金项目】
：
国家自然科学基金;教育部重点科研项目;河北省自然科学基金
论文部分内容阅读
A protocol of quantum secret sharing between multiparty and multiparty with four states was presented. It was shown that this protocol can nullify the Trojan horse attack with a multi-photon signal, the fake-signal attack with Einstein-Podolsky- Rosen pairs, the attack with single photons, and the attack with invisible photons. In addition, the upper bounds of the average success probabilities were given for dishonest agent eavesdropping encryption using the fake-signal attack with any two-particle entangled states.
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