PUMA
Istituto di Scienza e Tecnologie dell'Informazione     
Chessa S., Giunta G., Di Pietro R., Oligeri G. Video streaming authentication over lossy channels. In: Net&System Security '07 (Pisa, Palazzo dei Congressi, 27 Novembre 2007).
 
 
Abstract
(English)
We consider the problem of source and content authentication in video streaming applications in multicast satellite networks. In this paper we pro-pose a novel method that combines digital signa-ture with watermarking techniques. The proposed approach does not introduce bandwidth overhead while the computational overhead introduced by digital signature is reduced using signature amor-tization by means of an hash chain. We develop an analytical treatment of the proposed approach, and present extensive simulation results that con-firm the quality of the proposal in enforcing a ro-bust authentication mechanism for video stream-ing broadcast over a lossy channel.
Subject Video
Multicast
Authentication
Satellite
C.4 PERFORMANCE OF SYSTEMS


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