Mobile devices are becoming truly ubiquitous, and mobile computing is making revolutionary changes in the computer world. Mobile devices can constitute heterogeneous networks that provide access to information in online mode from any point in the world. This leads to the issue of ensuring mobile network and information system security, which is quite a complex but relevant task. Such a security system should be easy to use and manage, and also ensure higher reliability. This article describes

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... approach to designing a security system and interaction protocols for protection of mobile and sensor networks by means of using cryptographic algorithms. In this work, a model of a distributed protocol for authentication in the wireless sensor networks is offered to enable devices to carry out the authentication procedure without using a conventional centralized authentication server