Date Added: Jan 2014
The people are living in the information age. Hence data security plays an important role. Hackers are becoming more active now-a-days. Hence it is increasingly becoming more important to protect their data. There are some techniques used to make data transmission with protection. Cryptography is one of them. This paper provides a technique in which Armstrong number is used for encryption of message. Color is important in authentication process as it acts as password. Using this technique, message is hidden from unauthorized people and accessible to an authorized individual when required.