One-way quantum identity authentication based on public key  

作　　者：ZHANG XingLan 

机构地区：[1]College of Computer Science and Technology, Beijing University of Technology, Beijing 100124, China

出　　处：《Chinese Science Bulletin》2009年第12期2018-2021,共4页

基　　金：Supported by the National Basic Research Program of China(Grant No.2007CB311100);High-Tech Research and Development Program of China(Grant No.2006AA01Z440)

摘　　要：Based on public key, a quantum identity authenticated (QIA) system is proposed without quantum entanglement. The public key acts as the authentication key of a user. Following the idea of the classical public key infrastructure (PKI), a trusted center of authentication (CA) is involved. The user selects a public key randomly and CA generates a private key for the user according to his public key. When it is necessary to perform QIA, the user sends a sequence of single photons encoded with its private key and a message to CA. According to the corresponding secret key kept by CA, CA performs the unitary operations on the single photon sequence. At last, the receiver can judge whether the user is an impersonator.Based on public key, a quantum identity authenticated （QIA） system is proposed without quantum entanglement. The public key acts as the authentication key of a user. Following the idea of the classical public key infrastructure （PKI）, a trusted center of authentication （CA） is involved. The user selects a public key randomly and CA generates a private key for the user according to his public key. When it is necessary to perform QIA, the user sends a sequence of single photons encoded with its private key and a message to CA. According to the corresponding secret key kept by CA, CA performs the unitary operations on the single photon sequence. At last, the receiver can judge whether the user is an impersonator.

关 键 词：公钥基础结构 量子纠缠 身份认证 公共密钥 用户选择 单向 加利福尼亚 身份验证 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术] O413.1[自动化与计算机技术—计算机科学与技术]