Security of ping-pong protocol based on pairs of completely entangled qudits

被引：26
作者：
Zawadzki, Piotr [1 ]
机构：
[1] Silesian Tech Univ, Inst Elect, PL-44100 Gliwice, Poland
来源：
QUANTUM INFORMATION PROCESSING | 2012年 / 11卷 / 06期
关键词：
Quantum cryptography; Quantum secure direct communication; Ping-pong protocol; QUANTUM CRYPTOGRAPHY; DIRECT COMMUNICATION; FACTORIZATION; ATTACK;
D O I：
10.1007/s11128-011-0307-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Quantum secure direct communication protocols offer confidential transmission of classic information over quantum channel without prior key agreement. The ping-pong based protocols provide asymptotic security and detailed analysis of security level provided by each variant of the protocol is required. The paper presents a general method of calculation of the eavesdropped information as a function of the attack detection probability. The method is applied to the ping-pong protocol based on completely entangled pairs of qudits. The upper and lower bounds on the amount of the leaked information and eavesdropping detection probability are provided.
引用
收藏
页码：1419 / 1430
页数：12
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