This article studied groups of direct and inverse elementary functions expanded cryptographic transformation matrix, and also acquired the rights for their synthesis. Methods of synthesis of three-digit extended matrix of elementary functions in discrete and module-discrete representation.
information security, cryptographic transformation, three-digit extended matrix elementary function, discrete representation, modular discrete representation
"Rozrobka metodiv syntezu tryrozriadnykh rozshyrenykh matrychnykh elementarnykh funktsii" [Development of synthesis methods of three-digit extended matrix elementary functions],
Science and Technology of the Air Force of Ukraine,