电子科技大学学报2017，Vol.46Issue(2)：340-345,6.DOI:10.3969/j.issn.1001-0548.2017.02.004
基于四粒子纠缠态的两方量子密钥协商协议
Two-Party Quantum Key Agreement Protocols Based on Four-Particle Entangled States
摘要
Abstract
Quantum key agreement (QKA) protocols allow participants to negotiate a classical shared secret key fairly via public quantum channels. Furthermore, the shared key cannot be determined independently by any subset of the participants. Their security is assured by the quantum mechanics principles, so they can achieve unconditional security and have drawn considerable attention. Based on four-particle entangled states and logical qubits, two robust two-party quantum key agreement protocols against collective-dephasing noise and collective-rotation noise are proposed. The security analysis shows that the two protocols can not only resist against participant attacks and outsider attacks, but also resist against two kinds of Trojan horse attacks. Furthermore, the two protocols also achieve higher qubit efficiency.关键词
四粒子纠缠态/外部攻击/参与者攻击/量子密钥协商/量子密码Key words
four-particle entangled state/outsider attack/participant attack/QKA/quantum cryptography分类
信息技术与安全科学引用本文复制引用
何业锋..基于四粒子纠缠态的两方量子密钥协商协议[J].电子科技大学学报,2017,46(2):340-345,6.基金项目
国家自然科学基金(61373171, 61472472, 61272037) （61373171, 61472472, 61272037）
陕西省教育厅专项科研计划(14JK1659) （14JK1659）
