CNOT extraction attack on "quantum asymmetric cryptography with symmetric keys"

被引：5
|
作者：
Lin Ching-Ying [1 ]
Hwang, Tzonelih [1 ]
机构：
[1] Natl Cheng Kung Univ, Dept Comp Sci & Informat Engn, Tainan 70101, Taiwan
来源：
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY | 2014年 / 57卷 / 05期
关键词：
quantum asymmetric cryptography; symmetric key; CNOT extraction attack;
D O I：
10.1007/s11433-013-5290-3
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper is based on previous quantum encryption proposed by researchers developing a scheme for cryptography using symmetric keys. This study has pointed out that the scheme consists of a pitfall that could lead to a controlled-NOT (CNOT) extraction attack. A malicious user can obtain the secret message of a sender without being detected by using a sequence of single photons and a controlled-NOT gate.
引用
收藏
页码：1001 / 1003
页数：3
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