Designing A Novel Selective, Fast and Efficient Encryption Scheme For HEVC Video Sequences
Mokhtar Ouamri, Kamel Mohamed Faraoun
Journal of Multimedia Processing and Technologies, Vol. 6, No. 1, 2015.
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Abstract:
Emerging High efficiency video coding (HEVC) is expected to be widely adopted in network applications for high definition devices and mobile terminals. Thus, construction of HEVCâ€™s encryption schemes that maintain format
compliance and bit rate of encrypted bit stream becomes an active securityâ€™s researches area. This paper presents a novel selective encryption technique for HEVC videos, based on enciphering the bins of selected Golombâ€“Rice codeâ€™s suffixes with the Advanced Encryption Standard (AES) in a CBC operating mode. The scheme preserves format compliance and size
of the encrypted HEVC bit stream, and provides high visual degradation with optimized encryption space defined by selected Golombâ€“Rice suffixes. Experimental results show reliability and robustness of the proposed technique.