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http://dx.doi.org/10.9708/jksci.2016.21.9.073

Improvements of a Group key Management based on (2,2) Secret Sharing  

Yong, Seunglim (Dept. of Computer Systems and engineering, Inha Technical College)
Abstract
In 2014, Wuu et al. proposed a group key management scheme based on (2,2) secret sharing. They asserted that their scheme satisfies security requirements and mutual authentication. But this paper pointed out that their scheme does not satisfy mutual authentication and impersonating attack. In this paper, we describe the reasons and processes that a malicious group member can impersonate the Group Key Distributor. To fill the gaps, we discuss the problems, and propose an improved protocol.
Keywords
Group key management; Secret sharing; Hash chain;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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