Content security is an important issue in multimedia applications. In this paper we perform a cryptanalysis of several encryption algorithms that have been proposed to protect the privacy of MPEG video streams. In particular, we analyze the encryption based on permuting the Hu® man codeword list, and two selective encryption algorithms- VEA and MVEA. For the convenience of the reader, we provide a simple overview of MPEG encoding, and we include all analyzed algorithms and their characteristics.

Cryptanalysis of Video Encryption Algorithms.pdf

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