Batch rekeying for secure group communications

  title={Batch rekeying for secure group communications},
  author={Xiaozhou Li and Yang Richard Yang and Mohamed G. Gouda and Simon S. Lam},
Many emerging web and Internet applications are based on a group communications model. Thus, securing group communications is an important Internet design issue. The key graph approach has been proposed for group key management. Key tree and key star are two important types of key graphs. Previous work has been focused on individual rekeying, i.e., rekeying after each join or leave request. In this paper, we first identify two problems with individual rekeying: inefficiency and an out-of-sync… CONTINUE READING
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