APPLICATION OF OPERATOR-MATRIX METHOD AND DOUBLE KEY IN OBJECT ENCRYPTION

ilhomjonqodirov02

Authors

         Gafurov M.Kh. – Candidate of technical sciences, associate professor, Tajik technical University, Khujand, Republic of Tajikistan, mirugaf56@gmail.com

Annotation

      This article discusses how to build an alphabet substitution, create and use a two-key cipher using the example of the operator-matrix substitution method. It should be noted that the operator-matrix substitution method has a high resistance of the encrypted object. The rapid development of science and technology, the digitalization of various spheres of society, the widespread use of modern technologies in the activities of most important public spheres greatly simplifies the process of accessing secret and other restricted information for foreign states, which requires more attention from us to strengthening the national system of technical information protection. Currently, in information systems, there are specialized software products that protect information objects using various methods of substituting an open object with an encrypted object or vice versa, with the help of which interested individuals or groups, upon gaining access, quickly convert the encrypted text object into an open one and become aware of its contents. To prevent and protect an open object, it is required to propose new highly resistant substitution methods. The author of the article concluded that when choosing a second substitution key, an arbitrary pair of elements is proposed, in each pair one is Gafurov M.Kh. Application of operator-matrix method and double key in object encryption 19 replaceable, the other is replacing, the more elements in the substitution set, the closer the probability of determining an arbitrary variant of the substitution key is to zero

Key words

method, object, alphabet, encryption, decryption, sets, operator, symbol, key, variant, stability

Language

english

Type

technical

Year

2023

Page

18-19

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Publication date

09/22/2023