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IEICE TRANSACTIONS on Information

Open Access
Secure Key Transfer Protocol Based on Secret Sharing for Group Communications

Chia-Yin LEE, Zhi-Hui WANG, Lein HARN, Chin-Chen CHANG

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Summary :

Group key establishment is an important mechanism to construct a common session key for group communications. Conventional group key establishment protocols use an on-line trusted key generation center (KGC) to transfer the group key for each participant in each session. However, this approach requires that a trusted server be set up, and it incurs communication overhead costs. In this article, we address some security problems and drawbacks associated with existing group key establishment protocols. Besides, we use the concept of secret sharing scheme to propose a secure key transfer protocol to exclude impersonators from accessing the group communication. Our protocol can resist potential attacks and also reduce the overhead of system implementation. In addition, comparisons of the security analysis and functionality of our proposed protocol with some recent protocols are included in this article.

Publication
IEICE TRANSACTIONS on Information Vol.E94-D No.11 pp.2069-2076
Publication Date
2011/11/01
Publicized
Online ISSN
1745-1361
DOI
10.1587/transinf.E94.D.2069
Type of Manuscript
Special Section INVITED PAPER (Special Section on Information and Communication System Security)
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