International Journal of Computer Applications
Today the worldwide activities of various organizations, enterprises and institutions, general agencies and individuals are done through internet. The fast evolution of digital data exchange, security information becomes much important in data storage and transmission. The dramatic increase of data theft is a concern for the internet community as a whole. Cryptography allows people to carry over the confidence found in the data transaction electronic world; everyday thousands of people interact electronically, whether it is through e-mail, e-commerce, E-banking or overall data transformation using internet.