Video steganography for confidential documents: integrity, privacy and version control

Authors:
Diego F. de Carvalho;Rafael Chies;André P. Freire;Luciana A. F. Martimiano;Rudinei Goularte
Affiliations:
University of Sao Paulo - ICMC, Sao Carlos, SP, Brazil;University of Sao Paulo - ICMC, Sao Carlos, SP, Brazil;University of Sao Paulo - ICMC, Sao Carlos, SP, Brazil;State University of Maringa, Maringa, PR, Brazil;University of Sao Paulo - ICMC, Sao Carlos, SP, Brazil
Venue:
Proceedings of the 26th annual ACM international conference on Design of communication
Year:
2008

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Abstract

The safety of communication in organizations is a very important issue. It is about confidentiality, integrity and authentication during access or editing of confidential internal documents. A non-conventional means to increase security is the use of steganography to hide documents in digital videos, which makes possible to hide higher amounts of information and documents than steganography in images. In this work, we present a steganography technique using MPEG-4 videos aiming to increase documents secrecy. We also propose an architecture for version control of collaborative documents using encryption techniques, together with steganography, providing authentication and electronic documents integrity.