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Mechanical primitives in cryptography
Design of pseudorandom generators
    Pseudorandom generators are very important for many applications, such as testing of VLSI testing, information transmission systems or cryptography. It is obvious that the best examples of pseudorandom sequences can be found in nature. Behavioral simulation of real world objects makes it possible to create perfect generators. However, there are significant difficulties related to technical implementation of such generators. Therefore development of pseudorandom generators is of great practical interest. The goal of this research is to evaluate possibilities for implementation of pseudorandom generators based on behavioral simulation of mechanical primitives and develop real generator prototypes. Our research shows that the classical model of mechanics, which describes relative motion of systems, makes it possible to generate pseudorandom sequences. An example of the simplest generator describes free oscillation of a system with one or several degrees of freedom. Generators implemented on the basis of simulation of mechanical primitives have important features: they can generate sequences of bits, numbers or permutations as well as generate several independent sequences simultaneously.

Development of key exchange protocols
    The main criterion for reliability estimation of cryptographic systems is that system reliability is to be fully dependent on the key. Generation, storage and exchange of keys are complex cryptographic problems. Complexity of these problems is determined not only by complexity of relevant mathematical methods, but also by a need to take account of the "human factor". How Alice is going to transfer the keys to Bob? How Bob can check that it was Alice who transferred the key? Can Bob be sure that Alice transferred the key only to him? These questions and many other questions are to be taken into consideration when key exchange protocols are developed. This research is dedicated to study of mechanical primitives in order to use them in key exchange protocols. First results show that by analogy with mechanical primitives various protocols can be designed where participants share the common secret.
    It is a widely accepted fact that the development of information technologies sets stringent requirements related to confidentiality of information. Data protection from unauthorized access is very important for such activity fields as commerce, medicine, army and science. In addition to fields mentioned above, the information protection problem emerges every time when it is necessary to transmit data from one location to the other or store archive information. One of the most flexible and efficient secrecy enforcement methods is based on cryptographic algorithms. This research is dedicated to permutations which are a fundamental element of cryptography. The developed algorithms for generation of permutations make it possible to decrease the memory volume required for generation of permutations and speed up the generation process at the same time. New algorithms for generation of permutations allow one to introduce flexible and efficient cryptographic schemes.
     Our algorithms make it possible to efficiently generate all possible permutations of the certain order as well as solve specific problems, such as generation of the previous or the next permutation, generation of permutations with certain properties, solution determination for the TSP (traveling salesman problem). We designated our methods as methods for direct generation of permutations.
     We intend to use the algorithm property which makes it possible to generate permutations in real time depending on the key in order to design dynamic and key dependent S and P boxes.
Remote surveillance system
    Today security systems attract attention of a wide user group - from business owners to private individuals. Modern security system is a complex high-tech hardware/software complex. It combines digital video facilities, remote monitoring systems, alert systems and other application-oriented equipment. Remote monitoring systems are employed on production sites, in public establishments, parking garages and lots, business offices and private houses. The strategy course of our firm is to develop of flexible products taking account of rapidly changing modern technologies. Results of our development can be combined into an independent product. Modular structure allows us to offer the user separate modules as well. These modules can be integrated into the existing structure. The surveillance system offered by K-DOM, Inc. implements the following objectives:
  • video monitoring and video recording
  • control of various security facilities
  • prompt alert and alarm messaging
  • remote system monitoring and control over LAN, ISDN, xDSL
  • cryptographic encryption on the basis of known, proprietary or user-provided methods
  • X-Ray check system interfaced with the common security system
Recognition of license plates
    There are various practical applications for recognition of license plates. For example, it would be convenient to determine if an incoming vehicle is authorized to enter the parking lot or parking garage and open the gates automatically if the authorization result is positive. Another example is tracking of stolen vehicles or ticketed vehicles whose owners are banned from driving them. This research is focused on development of algorithms for recognition of vehicle license plates. Besides, we develop software which employs these algorithms and makes it possible to analyze the situation and send the alarm signal to the analytical center with the use of various communication channels.