National Changhua University of Education Institutional Repository : Item 987654321/12172

English | 正體中文 | 简体中文 | Items with full text/Total items : 6507/11669
Visitors : 30000038 Online Users : 406

RC Version 3.2 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.

Scope Adv. Search

Login ‧ Upload ‧ Help ‧ About ‧ Administer

NCUEIR > College of Science > math > Periodical Articles > Item 987654321/12172

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/12172

Title:	Analysis and Improvement on a Contributory Group Key Exchange Protocol Based on the Diffie-Hellman Technique
Authors:	Tseng, Yuh-Min;WU, Tsu-Yang
Contributors:	數學系
Keywords:	Contributory property;Group key agreement;Provable security;Decisional Diffie-Hellman problem
Date:	2010
Issue Date:	2012-07-03T03:45:36Z
Publisher:	IOS Press
Abstract:	In 2008, based on the two-party Diffie-Hellman technique, Biswas proposed a contributory group key exchange protocol called the Group-DH protocol. This contributory property is an important one of group key agreement. Unfortunately, in this paper we show that the proposed Group-DH protocol is not a contributory group key exchange protocol. Therefore, we propose an improved group key exchange protocol with verifiably contributory property based on the same Diffie-Hellman technique. When an identical group key is constructed, each participant can confirm that his/her contribution is actually included in the group key. We show that the improved protocol is provably secure against passive attacks under the decisional Diffie-Hellman assumption. As compared to the previously proposed group key exchange protocols, our protocol provides contributiveness and the required computational cost is suitable for low-power participants in a network environment.
Relation:	Informatica, 21(2): 247-258
Appears in Collections:	[math] Periodical Articles

Files in This Item:

File	Size	Format
index.html	0Kb	HTML	773	View/Open