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• A MODEL OF A SUBSYSTEM FOR GENERATING CRYPTOGRAPHIC KEYS OF THE CYBERPHYSICAL SYSTEM INFORMATION PROTECTION SYSTEM

  V. А. Golovskoy, А. V. Vinokurov

  2025-04-27

  Abstract ▼

  The study is devoted to improving the subsystem of information protection in the radio channels of a
  cyberphysical system using the example of a robotic complex (RTC). Modern and promising critical conditions
  for the use of RTCs are considered, which determine the sets of requirements for the characteristics
  of both RTCs and their subsystems, such as the radio data transmission system (RS) and the information
  security subsystem. One of the approaches to meeting the requirements is the unification of theseRTC subsystems, which can be divided conditionally into two scientific and technical tasks: unification of
  radio protocols and unification of information security tools in RS radio channels. The paper presents the
  practical problems obtained as a result of the analysis, which lie at the intersection of two areas of research
  – RS and information security subsystems. A hypothesis has been formed about the potential for
  effective resolution of one of these practical problems – providing an information protection system with
  cryptographic keys - by including a cryptographic key generation subsystem (CKGS) from biometric data
  used as the initial key information in the RTC information protection system. The proposed improvement
  has several aspects – regulatory, economic, and technical. The paper examines only the scientific and
  technical side of the issue, as a result of which a functional model of the CKGS is proposed, which provides
  a study of the possibilities of the modeled subsystem for the implementation of the formulated principles
  of functioning. The purpose of the work is to develop a model of the CKGS functioning for the cryptographic
  information protection system in the RS RTC radio channels and the formation of its algorithmic
  content. The object of research is a system of cryptographic information protection in RS radio channels.
  The subject of the research is an algorithm for generating cryptographic keys for a cryptographic information
  protection system in RS RTC radio channels. To achieve this goal, a class of abstractions involved
  and a methodological apparatus are substantiated that uses the provisions of the theory of algorithms to
  prove the existence of an algorithm that solves a formulated mass problem and has specified non-trivial
  semantic properties. Research methods – analysis, analogy, synthesis, decomposition, abstraction. The
  main mass problem and the hypothesis of its solvability are formulated. In order to test the hypothesis, the
  corresponding theorem is formulated and proved. The proposed model makes it possible to prove the joint
  effective feasibility of various information processing algorithms