Novel qubit block encryption algorithm with hybrid keys

被引：42
|
作者：
Zhou, Nanrun [1 ]
Liu, Ye
Zeng, Guihua
Xiong, Jin
Zhu, Fuchen
机构：
[1] Nanchang Univ, Dept Elect Informat Engn, Nanchang 330031, Peoples R China
[2] Shanghai Jiao Tong Univ, Dept Elect Engn, State Key lab Fiber Opt Local Area Networks & Adv, Shanghai 200240, Peoples R China
[3] Natl Lab Modern Commun, Chengdu 610041, Peoples R China
来源：
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS | 2007年 / 375卷 / 02期
基金：
中国国家自然科学基金;
关键词：
block encryption algorithm; qubit; hybrid keys; key management; quantum cryptography;
D O I：
10.1016/j.physa.2006.09.022
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
By combining quantum key with classical one, a novel block cryptographic algorithm that can be applied to encrypt qubits is presented. The security of the algorithm is analyzed from several aspects. It is shown that the qubit block encryption algorithm can prevent quantum attacking strategy as well as classical attacking strategy. The hybrid keys are securely reusable after a checking process, which lessens the task of key management significantly. The proposed algorithm offers an alternative to the standard one-time-pad encryption of a quantum bit string using a quantum key. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：693 / 698
页数：6
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