Cryptography
The real cryptography should fulfil the level of sercecy
for the critical information, that cannot be decrypted by large organizations such as transnational corporations and authorities. In past real cryptography
has been used only for military purposes. However now, with the development of
information society, it becomes a main instrument for confidentiality providing.
As far as formation of information society, facilities
of total supervision after millions of people became accessible for governments.
Therefore cryptography becomes one of the basic instruments which provides
confidentiality, trust, authorizing, electronic payments, corporate safety and lots of other important things. | 
