利用有限域上遍历矩阵实现基于隐藏基的密钥交换

J4 ›› 2009, Vol. 47 ›› Issue (4): 783-789.

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Implement of Keyexchange Based on the Hiddenbases viaErgodic Matrix over Finite Field

YUAN Zhe^1, ZHAO Yongzhe^1, LI Guangwei^2, ZHANG Wenrui ^|3,DI Chaosheng^4, YANG Fan^5, WANG Jun^5

1. College of Computer Science and Technology, Jilin University, Changchun 130012, China;2. AvePoint Technology Changchun |Co., Ltd, Changchun 130012, China;3. Jilin Filiale of Jilin Mobile Communication Co., Ltd, Jilin 132200, Jilin Province, China;4.
Communication Construction Co., Ltd of Institute of Posts and Telecommunications of Changchun,Changchun 130012, China|5. Appliances of Motor Vehicle Service of Changchun, Changchun 130041, China

Received:2008-08-19 Online:2009-07-26 Published:2009-08-24
Contact: ZHAO Yongzhe E-mail:yongzhe@jlu.edu.cn.

Abstract

Abstract:

Aiming at the poor security of traditional methods for keyexchange, we proposed a new method for keyexchange: the keyexchange based on hiddenbases. The bases selected by both parties are hidden by making use of ergodic matrix over finite field. Thus, this method realizes exchangeoperation and the keyexchange based on hiddenbases ultimately. Both the parties can do keyexchange on a relatively larger scale by making use of the protocol. Through the safety analysis of exchangeoperation, we found that the protocol can resist brute attack, and it is also of high security and strong practicability.

Key words: hiddenbase, keyexchange, exchangeoperation; ergodic matrix over finite field

CLC Number:

TP309

YUAN Zhe, DIAO Yong-Zhe, LI Guang-Wei, ZHANG Wen-Rui, DI Chao-Sheng, YANG Fan, WANG Jun. Implement of Keyexchange Based on the Hiddenbases viaErgodic Matrix over Finite Field[J].J4, 2009, 47(4): 783-789.

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Implement of Keyexchange Based on the Hiddenbases viaErgodic Matrix over Finite Field

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