Enhancement on strongly secure group key agreement

  title={Enhancement on strongly secure group key agreement},
  author={Yuh-Min Tseng and Tung-Tso Tsai and Sen-Shan Huang},
  journal={Security and Communication Networks},
In 2011, Zhao et al. presented a new security model of group key agreement (GKA) by considering ephemeral secret leakage (ESL) attacks. Meanwhile, they proposed a strongly secure GKA protocol under the new model. In this paper, two security weaknesses on their protocol are pointed out and remedied, in which, their GKA protocol must rely on a signature scheme with existential unforgeability under adaptive chosen message attacks (UF-ACMA) to achieve the security goals of authenticated key… CONTINUE READING
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