Noise tolerance of the BB84 protocol with random privacy amplification

被引：16

作者：

Watanabe, Shun ^{[1
]}

Matsumoto, Ryutaroh ^{[1
]}

Uyematsu, Tomohiko ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Commun & Integrated Syst, Tokyo 1528552, Japan

来源：

INTERNATIONAL JOURNAL OF QUANTUM INFORMATION | 2006年 / 4卷 / 06期

关键词：

BB84; protocol; CSS code; quantum key distribution; random privacy amplification; two-way protocol;

D O I：

10.1142/S0219749906002316

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This paper shows that the random privacy amplification is secure with a higher key rate than Mayers' evaluation at the same error rate in the BB84 protocol with one-way or two-way classical communications. There exists only Mayers' evaluation on the secure key rate with random privacy amplification that is applicable to the BB84 protocol with two-way classical communications. Our result improves the secure key rate of the random privacy amplification in the BB84 protocol with two-way classical communications.

引用

页码：935 / 946

页数：12

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