Title :
A tree key graph design scheme for hierarchical multi-group access control
Author :
Koo, Han-Seung ; Kwon, O-Hyung ; Ra, Sung-Woong
Author_Institution :
Broadcasting Syst. Res. Dept., Electron. & Telecommun. Res. Inst., Daejeon, South Korea
fDate :
11/1/2009 12:00:00 AM
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.
Keywords :
access control; cryptography; graph theory; telecommunication security; communication overhead; multi-group access control; traffic encryption keys; tree key graph design; user group keys; Access control; Communication system control; Cryptography; Digital multimedia broadcasting; Internet; Merging; Multimedia communication; Sun; TV broadcasting; Tree graphs; Access control, tree key graph, key management;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/LCOMM.2009.091183
