User Authentication and Key Distribution on Open IPTV System

KIPS Transactions on Computer and Communication Systems, Vol. 18, No. 4, pp. 227-236, Aug. 2011
10.3745/KIPSTC.2011.18.4.227,   PDF Download:


IPTV(Internet Protocol Television) is one of the typical businesses which are the convergence of Broadcast and Communication. It provides broadcasting service using IP networks. Recently, IPTV service is developed to Mobile IPTV or Open IPTV. Especially, Open IPTV uses open platform so not only service providers but also general users can provide contents to other users. Open IPTV system has many content providers, so existing security solution of IPTV cannot be adopted. In this paper, we suggest user authentication and key distribution mechanism on Open IPTV. Our proposed mechanism is based on Kerberos, so it can support distribution environment such as Open IPTV. We demonstrate that proposed mechanism can guarantee secure transmission of contents and reduce the delay of user authentication on Open IPTV system compared to other authentication mechanisms. We also compare our proposal and other mechanisms in various aspects, and analyze efficiency and safety of proposed mechanism. As a result, we insist that this mechanism satisfies the security requirements for IPTV.

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Cite this article
[IEEE Style]
J. Y. Jung, I. S. Doh and K. J. Chae, "User Authentication and Key Distribution on Open IPTV System," KIPS Journal C (2001 ~ 2012) , vol. 18, no. 4, pp. 227-236, 2011. DOI: 10.3745/KIPSTC.2011.18.4.227.

[ACM Style]
Ji Yeon Jung, In Shil Doh, and Ki Joon Chae. 2011. User Authentication and Key Distribution on Open IPTV System. KIPS Journal C (2001 ~ 2012) , 18, 4, (2011), 227-236. DOI: 10.3745/KIPSTC.2011.18.4.227.