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Unequal authenticity protection (UAP) for rate-distortion-optimized secure streaming of multimedia over wireless networks

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3 Author(s)
Zhi Li ; Dept. of Electr. & Comput. Eng., Nat. Univ. of Singapore ; Sun, Q. ; Yong Lian

This paper presents a new notion of authenticating degraded multimedia content streamed over wireless networks - unequal authenticity protection (UAP). Multimedia content differs from other data in that the importance of different bits within a bitstream often varies. Therefore, given limited resources, a natural solution is to apply better authenticity protection to more important bits, and vice versa. In this paper, a quantitative relationship between the optimal authentication probability and the given resource budget is firstly derived, followed by a proposed authentication graph which realizes the idea of UAP. Simulation results further confirm the validity of the proposal

Published in:

Circuits and Systems, 2006. ISCAS 2006. Proceedings. 2006 IEEE International Symposium on

Date of Conference:

21-24 May 2006