Cryptanalysis and improvement of controlled secure direct communication

被引：13
|
作者：
Kao Shih-Hung [1 ]
Tzonelih, Hwang [1 ]
机构：
[1] Natl Cheng Kung Univ, Inst Comp Sci & Informat Engn, Tainan 701, Taiwan
来源：
CHINESE PHYSICS B | 2013年 / 22卷 / 06期
关键词：
quantum cryptography; quantum communication; QUANTUM; STATES;
D O I：
10.1088/1674-1056/22/6/060308
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
This paper points out that, due to a flaw in the sender's encoding, the receiver in Gao et al.'s controlled quantum secret direct communication (CQSDC) protocol [Chin. Phys. 14 (2005), No. 5, p. 893] can reveal the whole secret message without permission from the controller. An improvement is proposed to avoid this flaw.
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页数：3
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