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Hardware Data Encryption Complex Based on Programmable Microcontrollers

The growing danger of computer crime puts forward a new set of urgent tasks. At the same time, the development of hardware encryption systems can be effective in the solving some of them. To study the hardware possibilities of reducing the probability of unauthorized access to information, an available complex for demonstrating data encryption based on programmable microcontrollers is proposed. The article provides a diagram of the corresponding demonstration complex with a description of its work. The algorithms and methods of information protection between devices using combined communication channels and embedded systems are offered. The software-hardware complex, which uses a combination of engineering and software solutions, provides the possibility to conduct spectral analysis of data streams and research noise and signals that may occur in optical communication lines and radio channels. In addition, this complex can be used for laboratory work on cryptography and data protection in communication lines.