Digital video encryption algorithms based on correlation-preserving permutations

Authors:
Daniel Socek;Spyros Magliveras;Dubravko Ćulibrk;Oge Marques;Hari Kalva;Borko Furht
Affiliations:
Department of Computer Science and Engineering, Florida Atlantic University, Boca Raton, FL;Department of Mathematical Sciences, Florida Atlantic University, Boca Raton, FL;Department of Computer Science and Engineering, Florida Atlantic University, Boca Raton, FL;Department of Computer Science and Engineering, Florida Atlantic University, Boca Raton, FL;Department of Computer Science and Engineering, Florida Atlantic University, Boca Raton, FL;Department of Computer Science and Engineering, Florida Atlantic University, Boca Raton, FL
Venue:
EURASIP Journal on Information Security
Year:
2007

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Abstract

A novel encryption model for digital videos is presented. The model relies on the encryption-compression duality of certain types of permutations acting on video frames. In essence, the proposed encryption process preserves the spatial correlation and, as such, can be applied prior to the compression stage of a spatial-only video encoder. Several algorithmic modes of the proposed model targeted for different application requirements are presented and analyzed in terms of security and performance. Experimental results are generated for a number of standard benchmark sequences showing that the proposed method, in addition to providing confidentiality, preserves or improves the compression ratio.