An Authentication Protocol Supporting User Device Mobility in CAS-Based IPTV Environments 


Vol. 35,  No. 2, pp. 302-312, Feb.  2010


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  Abstract

Internet Protocol Television (IPTV) service is the convergence service of the telecommunication and broadcasting that provides various bidirectional multimedia contents by IPTV service subscribe's request through the high-speed internet. However, the proposed technologies current do not guarantee the security such as authentication between Set-Top-Box (STB) and the user mobile devices available IPTV service at home domain, and authentication of mobile user device at out of door. This paper proposes the authentication protocol for distributing content securely from STB to the users' mobile devices at home domain and authentication for network access and IPTV service access when the user's mobile device is moved out of the house. The proposed scheme using the proxy signature enables to distribute and protect securely the contents protected through an underlying Conditional Access System (CAS) without re-encrypting then that the existing scheme should employ. Then this protocol supports the authentication scheme to get service access authentication based on network access authentication using the signature, which the STB issued on behalf of the trust authority of IPTV service provider. Also the proposed authentication protocol reduces the total communication overhead and computation time comparing to the other authentication protocol.

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  Cite this article

[IEEE Style]

H. Roh, S. Jung, J. Yi, S. Jung, "An Authentication Protocol Supporting User Device Mobility in CAS-Based IPTV Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 302-312, 2010. DOI: .

[ACM Style]

Hyosun Roh, Seohyun Jung, Jeonghyun Yi, and Souhwan Jung. 2010. An Authentication Protocol Supporting User Device Mobility in CAS-Based IPTV Environments. The Journal of Korean Institute of Communications and Information Sciences, 35, 2, (2010), 302-312. DOI: .

[KICS Style]

Hyosun Roh, Seohyun Jung, Jeonghyun Yi, Souhwan Jung, "An Authentication Protocol Supporting User Device Mobility in CAS-Based IPTV Environments," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 302-312, 2. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880