Cryptography

The book describes the basics of traditional cryptography starting with the ancient Caesar and Vigener ciphers ending with the basics of quantum cryptography and also describes the operation of conventional (CPU) and quantum processors. All sections are provided with the necessary theoretical information and illustrations. The material is divided into 2 main parts: traditional cryptography built on the basis of mathematics and arithmetic and quantum cryptography built on the basis of physical processes.It is recommended for students studying in areas related to information security and information protection.