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Problems and Prospects for Strengthening Technical and Economic Security of Agricultural Enterprises

 current state of technical and economic security of agricultural enterprises is explored in the article. The main directions for strengthening technical and economic security of agricultural enterprises are suggested

Effectiveness evaluation of modified block ciphers using standardized NIST statistical tests

This research work proposes peculiarities of construction of modified block ciphers on the basis of inclusion of masking symbols. The analysis of effectiveness of the proposed block ciphers using the National Institute of Standards and Technology (NIST USA) statistical tests is done. Increasing of block ciphers’ effectiveness is described