A Novel Key Management Scheme for Dynamic Access Control in a Hierarchy

@article{Tzeng2011ANK,
  title={A Novel Key Management Scheme for Dynamic Access Control in a Hierarchy},
  author={Shiang-Feng Tzeng and Cheng-Chi Lee and Tzu-Chun Lin},
  journal={I. J. Network Security},
  year={2011},
  volume={12},
  pages={178-180}
}
Shen and Chen proposed a novel key management scheme for dynamic access control in a hierarchy. In this article, the authors shall present an improved version of Shen and Chen’s scheme to reduce the computational time required for key generation and derivation. 
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