한국컴퓨터정보학회논문지 (Journal of the Korea Society of Computer and Information)

  • 제21권9호
  • /
  • Pages.73-78
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  • 2016
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  • 1598-849X(pISSN)
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  • 2383-9945(eISSN)
한국컴퓨터정보학회 (Korean Society of Computer Information)
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Improvements of a Group key Management based on (2,2) Secret Sharing

  • Yong, Seunglim (Dept. of Computer Systems and engineering, Inha Technical College)
  • 투고 : 2016.05.04
  • 심사 : 2016.08.31
  • 발행 : 2016.09.30
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초록

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.

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참고문헌

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