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Conference Paper
A Novel Hierarchical Access Control Scheme in Digital Broadcasting System
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- Authors
- Han-Seung Koo, Yun-Jeong Song, O-Hyung Kwon, Sung-Woong Ra
- Issue Date
- 2007-01
- Citation
- International Conference on Consumer Electronics (ICCE) 2007, pp.1-2
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- This paper proposed the hierarchical access control scheme based on Key Tree mechanism in digital broadcasting conditional access (CA) system. The proposed scheme optimizes the connection network which is used in the multi-group(MG) scheme [1]. As a result, we archived up to 20% and 9% improvement for a storage and rekey overhead, respectively. © 2007 IEEE.
- KSP Keywords
- Access control scheme, Broadcasting system, Connection network, Digital Broadcasting, Key tree, conditional access, hierarchical access control, multi-group