Abstract
Abstract-Recently, high-bandwidth streaming media security is becoming more important to the continuous increase of the wide application of multimedia and the improvement of image processing on the internet. However the tradition data encryption solutions are not appropriate for such a high-bandwidth streaming media. In spite of extensive research in multimedia security, the capability of symmetric encryption techniques in secure real time multicast video streaming has not been fully studied. In this paper, our aim is to study how to secure the streaming data transmission in the insecure network environment of multicast and broadcast. We consider the performance of AES, DES and RC4 encryption algorithms in encrypting the data stream with the bandwidth of 1~1000Mbps. MPEG-4 format of multicast streaming is used to test the effectiveness of the three encryption techniques. The simulation results showed that the AES and RC4 have the throughput over 250Mbps, can meet our demand currently.
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