10-06-2017, 07:09 AM
[attachment=6150]
Overview of Cryptography & Its Applications
People wants and needs privacy and security while communicating
In the past, cryptography is heavily used for military applications to keep sensitive information secret from enemies (adversaries). Julius Caesar used a simple shift cipher to communicate with his generals in the battlefield.
Nowadays, with the technologic progress as our dependency on electronic systems has increased we need more sophisticated techniques.
Cryptography provides most of the methods and techniques for a secure communication.