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Multi-Image Hiding Blind Robust RGB Steganography in Transform Domain
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Debnath, Diptasree; Ghosh, Emlon; Banik, Barnali Gupta – International Journal of Web-Based Learning and Teaching Technologies, 2020
Steganography is a widely-used technique for digital data hiding. Image steganography is the most popular among all other kinds of steganography. In this article, a novel key-based blind method for RGB image steganography where multiple images can be hidden simultaneously is described. The proposed method is based on Discrete Cosine Transformation…
Descriptors: Computer Security, Information Security, Privacy, Color
Post No Photos, Leave No Trace: Children's Digital Footprint Management Strategies
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Buchanan, Rachel; Southgate, Erica; Smith, Shamus P.; Murray, Tiana; Noble, Brittany – E-Learning and Digital Media, 2017
Given that today's children are prolific users of the internet, concern has been raised about the future impact of the digital footprints they are currently generating. Here, we report on the "Best Footprint Forward" project which utilised focus groups to investigate the digital footprint awareness of 33 children (ranging in age from 10…
Descriptors: Internet, Preadolescents, Elementary School Students, Computer Use
Bringing the Cybersecurity Challenge to the Social Studies Classroom
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Berson, Michael J.; Berson, Ilene R. – Social Education, 2014
Educators have been increasingly sensitized to the role of schools in developing students' cyberethics, cybercitizenship, and cybersafety, which have emerged as one of the most pressing and yet unexplored areas of education. The Department of Defense has identified challenges to cybersecurity infrastructure as a significant risk for the…
Descriptors: Bullying, Computer Mediated Communication, School Role, School Safety
Chocolate Key Cryptography
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Bachman, Dale J.; Brown, Ezra A.; Norton, Anderson H. – Mathematics Teacher, 2010
Cryptography is the science of hidden or secret writing. More generally, cryptography refers to the science of safeguarding information. Cryptography allows people to use a public medium such as the Internet to transmit private information securely, thus enabling a whole range of conveniences, from online shopping to personally printed movie…
Descriptors: Intellectual Property, Privacy, Computer Security, Internet
The Efficacy of International Regulation of Transborder Data Flows: The Case for the Clipper Chip.
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Mhlaba, Sondlo Leonard – Government Information Quarterly, 1995
Discusses origins of Transborder Data Flows (TDFs) as an international problem in the early 1970s. Shows how technological development in telecommunications and networks has made regulation more complex and urgent. Recommends the internationalization of the Key Escrowed Encryption System (KEES) and the development of broad international TDF…
Descriptors: Coding, Computer Security, Copyrights, Information Transfer
A Pretty Good Paper about Pretty Good Privacy.
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McCollum, Roy – 1995
With today's growth in the use of electronic information systems for e-mail, data development and research, and the relative ease of access to such resources, protecting one's data and correspondence has become a great concern. "Pretty Good Privacy" (PGP), an encryption program developed by Phil Zimmermann, may be the software tool that…
Descriptors: Access to Information, Coding, Computer Networks, Computer Security