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Conference Paper
Synchronization of Conditional Access Software for Providing Seamless Conditional Access Services to IPTV systems
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- Authors
- Jin Young Moon, Jong Youl Park, Jung Tae Kim, Eui Hyun Paik
- Issue Date
- 2009-07
- Citation
- International Technical Conference on Circuits/Systems, Computers and Communications (ITC-CSCC) 2009, pp.1173-1176
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- IPTV systems adopting one of conditional access systems for contents security have a difficulty in changing the conditional access system embedded in a set-top box or on a removable hardware device. However, software downloading through an IP network enables an IPTV set-top box to change its existing conditional access system in a secure way. This paper proposes a synchronization mechanism for the dynamic conditional access system that securely downloads and seamlessly executes conditional access software. The proposed synchronization mechanism enables the dynamic conditional access system to predownload the required software in advance and to lengthen the replacement delay.
- KSP Keywords
- Conditional access system, IP networks, IPTV systems, Set-top-box(STB), Synchronization Mechanism