Quantum Private Comparison Protocol Based on Bell Entangled States  

作　　者：刘文 王永滨 崔巍 

机构地区：[1]School of Computer,Communication University of China [2]Information Center,Ministry of Science and Technology of the People's Republic of China

出　　处：《Communications in Theoretical Physics》2012年第4期583-588,共6页理论物理通讯（英文版）

基　　金：Supported by the High Technology Research and Development Program of China (863 Program,2011AA01A107);Beijing Municipal Special Fund for Cultural and Creative Industries(2009);the Beijing Municipal Natural Science Foundation (4112052)

摘　　要：In this paper,a quantum private comparison protocol is proposed based on bell entangled states.In our protocol,two parties can compare the equality of their information with the help of a semi-honest third party.The correctness and security of our protocol are discussed.One party cannot learn the other's private information and the third party also cannot learn any information about the private information.

关 键 词：quantum private comparison protocol Bell entangled state PRIVATE 

分 类 号：O413.1[理学—理论物理] TP393[理学—物理]