International Journal of Computer Science and Mobile Computing (IJCSMC)
Data security is the science and study of methods of protecting data from unauthorized disclosure and modification. As per the technology upgraded, there is need to secure data which is transmitted over the network. Unsecured networks can be hacked into easily, and hackers can do lots of things in short amounts of time. A hacker can search the hard drive of the average PC user in less than a minute. In this short time period a search can be conducted on spread sheets or databases that contain user names and passwords. This paper provides a technique to encrypt the data using a key involving Armstrong numbers.