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19th International Conference on Advanced Information Networking and Applications (AINA'05) Volume 1 (AINA papers)
An Improved RSA-Based Access Control Scheme for Hierarchical Groups
Taipei, Taiwan
March 25-March 30
ISBN: 0-7695-2249-1
Jiali Cao, Sun Yat-sen University
Zheng-an Yao, Sun Yat-sen University
We reveal some drawbacks in Ghodosi's scheme and present an improved RSA-based access control scheme for hierurchical groups. The proposed scheme enjoys the following properties:
  • The size of an individual?s share sequence is bounded by a small constant times the size of the RSA modulus corresponding to that group.
  • The delegation of information flow from higher-level groups to lower-level groups is completely non-interactive.
  • doesn?t require an on-line trusted authority to upgrade the system as soon as communication happened.
  • The proposed scheme is resistant to conspiracy
  • Citation:
    Jiali Cao, Zheng-an Yao, "An Improved RSA-Based Access Control Scheme for Hierarchical Groups," aina, vol. 1, pp.719-723, 19th International Conference on Advanced Information Networking and Applications (AINA'05) Volume 1 (AINA papers), 2005
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