A tree key graph design scheme for hierarchical multi-group access control

Authors:
Han-Seung Koo;O-Hyung Kwon;Sung-Woong Ra
Affiliations:
Broadcasting System Research Department, Electronics and Telecommunications Research Institute, Daejeon, South Korea;Broadcasting System Research Department, Electronics and Telecommunications Research Institute, Daejeon, South Korea;Electronic Engineering Department, Chungnam National University
Venue:
IEEE Communications Letters
Year:
2009

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Abstract

A tree key graph design scheme for hierarchical multi-group access control with low communication overhead is presented. A simulation result shows that the proposed scheme can reduce a communication overhead up to about 15.2% compared to the previously proposed scheme.