Computer Model of a Secure Wireless Sensor Network of a “Smart Home”

A computer model of a secure wireless sensor network (WSN) of a smart home, having the structure of a combined projective plane of order n and built using ZigBee technology, is presented. It includes programs of a coordinator, a trusted center (with the functions of a virtual sleeping node), a virtual router, and sleeping nodes hosted on four tabs or remote computers. The first program simulates the planning of functioning according to the WSN protocols by setting k pairs of nodes from the source and recipient, the second program in the process of protocol modeling performs the functions of one of 210 −2k end nodes, the third program is configured and performs the functions of one of 91 routers, the fourth program simulates the functions of the remaining 2k end nodes. The confidentiality and integrity of the transmissions are ensured by the Kuznyechik(Grasshopper) algorithms implemented in the virtual node program in the mode of generating an extension using keys calculated according to Blom’s scheme. The distribution of preliminary keys for key spaces according to Blom’s scheme is carried out by a trusted center TC using a secret key based on a common long-term key of the node and the trusted center using the hash value of this key as a password. The computer model is designed for remote simulation of the operation of a “smart” home WSN when compiling and monitoring the control program of this WSN.