INTEGRATED ENCRYPTION-STEGANOGRAPHY PROTECTION OF MULTIMEDIA CONTENT AND DATA IN E-LEARNING SISTEMS
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Abstract
Introduction. The article focuses on the modern research and the practice of using
information security tools in e-learning systems. It has been noted that, in most cases, e-learning
systems ensure the confidentiality and addressability of information processes and the security of
educational materials when using open communication channels. However, a comprehensive
approach to e-learning systems protection needs to be better researched.
Purpose. Developing a data and multimedia content protection method in e-learning systems
using an integrated cryptographic-steganographic approach.
Methods. Steganography, cryptography.
Results. The strengthening of data and multimedia content protection in e-learning systems was
proposed using an integrated cryptographic-steganographic approach. This method applies the digital
watermark construction algorithm based on matrix cryptographic transformation operations. The
complex application of two protection methods is aimed at increasing the steganographic stability of
the digital watermark embedding algorithm by complicating the task of selecting the bit inversion
parameter in the bytes intended for embedding identification features. An additional protective effect
is provided by the non-obviousness of the choice of the byte in the file container for embedding a
digital watermark and the possibility of their identification only using cryptographic procedures by
authorized users. This approach is productive in forming a trust strategy in online materials and
remote activities in the educational field. Incorporating the proposed security mechanisms into
existing and developing e-learning systems is offered by snippets or plugins adding.
Conclusion. The practical implementation of software tools according to the developed method
should contribute to the increase of trust between the participants of the e-learning system due to the
possibility of identifying stolen or compromised ideas and innovations in the content of the
educational resources, fixing the status of compromised users among both students and teachers.
Article Details
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