Encryption is simply a means of passing important information and having it arrive at its intended recipient without being read or changed by unauthorized people/processes.It is used in all walks of life. And not just by the government (Although the strongest forms of encryption do tend to be used for Military and Governmental use) Encryption doesn’t need to be complex, but tends to be these days because of the evolution of the modern computer. Caesar cipher was one of the earliest well known forms of encryptions which simply moved the letters of the alphabet across, i.e. A became Z and B became C. HELLO THERE would read IFMMP UIFSF As said above encryption is used in day to day life by you and you don’t even realise if. When logging into your bank or favourite webmail the password is being protected by encryption a lot of the time. But also when you’re passing your credit card details to places such as PayPal or Amazon again you’re being protected by encryption. The Wiki link about encryption is some interesting reading if you would like to know more. Hope that helps. Mac |