Cryptography a simple introducton Free

Cryptography If you are familiar with hacking, you know the name of MD5 or Digital signature. These are parts of cryptography. I am writing this post because today i have my semester exam of cryptography, and i think as a hacker you must know about cryptography. Cryptography is a science and art of securing data by changing it in a coded form by some encoding method. ex- When Julius Caesar sent messages to his generals, he didn’t trust his messengers. So he replaced every A in his messages with a D, every B with an E, and so on through...