Šifrování a jeho využití v podnikové praxi

Abstract

This work outlines ciphers and cipher methods from of source beginning till present. There are stated rules of the cryptography and three basic types of the cryptography. There is a symmetrical, an asymmetrical and a hybrid cryptography which is consists of two previous. This work contains as well informations about cryptography with a public key and security of the electronic communication. There is described in this work what are technical and economic reasons which hamper to mass distribution of the cryptography in practice. The goal of this work is a proposition of the present situation.