Collective Attack and Improvement on "Mediated Semi-Quantum Key Distribution Using Single Photons"

被引:6
|
作者
Lu, Yu-Chin [1 ]
Tsai, Chia-Wei [2 ]
Hwang, Tzonelih [1 ]
机构
[1] Natl Cheng Kung Univ, Dept Comp Sci & Informat Engn, 1 Univ Rd, Tainan 70101, Taiwan
[2] Natl Taitung Univ, Dept Comp Sci & Informat Engn, 369,Sec 2,Univ Rd, Taitung 95092, Taiwan
关键词
collective attacks; semi-quantum key distribution; single photon; untrusted third-party;
D O I
10.1002/andp.201900493
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Lin et al. proposed a mediated semi-quantum key distribution protocol in 2019. This study shows that Lin et al.'s protocol has a security loophole that could mount to the collective attack to reveal some information about the secret key without being detected. To overcome this problem, an improved protocol is proposed and its security is proven.
引用
收藏
页数:4
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