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Keywords:
steganography; mp4 file; multimedia storage; YouTube
steganography; mp4 file; multimedia storage; YouTube
Summary:
The aim of this work is to analyze suitability of existing internet multimedia storage services to use as a covert (steganographic) transmission channel. After general overview we focus specifically on the YouTube service. In particular, we study the feasibility of the recently proposed new steganographic technique [6] of hiding information directly in the structure of the mp4-encoded video file. Our statistical analysis of the set of 1000 video files stored by this service show the practical limitations for this type of information hiding.
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