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In this paper, the authors propose a novel type of digital video encryption that has several advantages over other currently available digital video encryption schemes. They also present an extended classification of digital video encryption algorithms in order to clarify these advantages. They analyze both security and performance aspects of the proposed method, and show that the method is efficient and secure from a cryptographic point of view. Even though the method is currently feasible only for a certain class of video sequences and video codecs, the method is promising and future investigations might reveal its broader applicability.
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