Quantum asymmetric cryptography with symmetric keys

被引：0
|
作者：
GAO Fei1
2 National Laboratory for Modern Communications
机构：
来源：
Science China(Physics,Mechanics & Astronomy) | 2009年 / 12期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
quantum cryptography; public-key cryptography; entanglement;
D O I：
暂无
中图分类号：
TN918 [通信保密与通信安全]; O413.1 [量子力学（波动力学、矩阵力学）];
学科分类号：
070205 ; 0809 ; 0839 ; 1402 ;
摘要：
Based on quantum encryption,we present a new idea for quantum public-key cryptography (QPKC) and construct a whole theoretical framework of a QPKC system. We show that the quantum-mechanical nature renders it feasible and reasonable to use symmetric keys in such a scheme,which is quite different from that in conventional public-key cryptography. The security of our scheme is analyzed and some features are discussed. Furthermore,the state-estimation attack to a prior QPKC scheme is demonstrated.
引用
收藏
页码：1925 / 1931
页数：7
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