Cryptography - data protection method

Cryptography - data protection method
Derbyshev Lev
RI-270007

Caesar cipher

Enigma Encryption Machine
This is what the Enigma
machine looks like.
With its help, German
soldiers managed to pass
instructions during
World War II.

Information Problems
As the amount of data increases, the following problems appear:
Data leakage
Data substitution
Distortion due to technical reasons

Personal data. Who is interested in this?
A lot of people search like information. Its use may have a different character from the sale of a product to the actions of a criminal character.

One-way encryption
This is an example of how to calculate a unique hash sum. Check the program for authenticity.

Two-way encryption
This type of encryption can be decrypted by knowing the master key. It is designed to transmit data securely.