title: ÐÑÑÐ»ÐµÐ´Ð¾Ð²Ð°Ð½Ð¸Ðµ ÐºÑÐ¸Ð¿ÑÐ¾ÑÑÐ¾Ð¹ÐºÐ¾ÑÑÐ¸ ÑÑÐ¸Ð³Ð¾Ð½Ð¾Ð¼ÐµÑÑÐ¸ÑÐµÑÐºÐ¾Ð³Ð¾ ÑÐ¸ÑÑÐ° Ñ Ð¿Ð¾Ð¼Ð¾ÑÑÑ ÑÐ²Ð¾Ð»ÑÑÐ¸Ð¾Ð½Ð½ÑÑ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ð¾Ð²
title: Ð²ÑÐ¿ÑÑÐºÐ½Ð°Ñ ÐºÐ²Ð°Ð»Ð¸ÑÐ¸ÐºÐ°ÑÐ¸Ð¾Ð½Ð½Ð°Ñ ÑÐ°Ð±Ð¾ÑÐ° Ð±Ð°ÐºÐ°Ð»Ð°Ð²ÑÐ°
titleType: Subtitle
title: Research of trigonometric cipher using evolutionary algorithms
Creators: name: Ð¡Ð°Ð´ÑÑÐ¾Ð², Ð Ð¾Ð¼Ð°Ð½
Publisher: name: Ð¡Ð°Ð½ÐºÑ-ÐÐµÑÐµÑÐ±ÑÑÐ³ÑÐºÐ¸Ð¹ Ð¿Ð¾Ð»Ð¸ÑÐµÑÐ½Ð¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ½Ð¸Ð²ÐµÑÑÐ¸ÑÐµÑ ÐÐµÑÑÐ° ÐÐµÐ»Ð¸ÐºÐ¾Ð³Ð¾
Year: 2019
Subjects: ÐºÑÐ¸Ð¿ÑÐ¾Ð°Ð½Ð°Ð»Ð¸Ð·
Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼ Ð¿ÑÐµÐ»Ð¸Ð½Ð¾Ð¹ ÐºÐ¾Ð»Ð¾Ð½Ð¸Ð¸
ÑÐ¸ÑÑ
ÑÑÐ¸Ð³Ð¾Ð½Ð¾Ð¼ÐµÑÑÐ¸ÑÐµÑÐºÐ¸Ð¹ ÑÐ¸ÑÑ
ÑÐ²Ð¾Ð»ÑÑÐ¸Ð¾Ð½Ð½ÑÐµ Ð°Ð»Ð³Ð¾ÑÐ¸ÑÐ¼Ñ
cryptanalysis
bee colony algorithm
cypher
trygonometric cypher
evolutionary algorithms

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description: This work relates to the field of information security and information security. The first chapter provides an analysis of the subject area: describes the current situation of cryptanalysis, presents the main types of ciphers. Also in the first chapter the position of evolutionary algorithms in modern cryptanalysis is revealed, then, the basic principle of the bee colony algorithm is given. The second chapter theoretically describes the trigonometric cipher and analyzes its key search space. Next, the bee colony algorithm is theoretically described, and, based on previous findings, the principle of the algorithm implementation for cryptanalysis of a trigonometric cipher is formed. The third chapter provides a software implementation of the staff encoder / decoder of the trigonometric cipher, as well as the bee colony algorithm for cryptanalysis of this cipher. The fourth chapter compares the results of the cryptanalysis algorithm with the already existing genetic algorithm for cryptanalysis of the trigonometric cipher, based on the data obtained, conclusions are made about the cryptographic strength of the cipher, and a comparative analysis of two approaches to cryptanalysis is carried out.