Comparative Analysis Of Symmetric Encryption Algorithms For Data Communication

The Internet today is being used by billions of users for a large variety of commercial and non commercial purposes. It was maintained by different administrative organizations. Internet is mainly used as an efficient means for communication, entertainment and education. There is a need for protecting confidential data because of the rapid growth of Internet. The Internet was however originally designed for rescarch and educational purpose and not. for commercial applications. Internet model was not designed with security in mind. Cryptography plays a vital role in the information and network security. This paper mainly focuses on three commonly used symmetric encryption algorithms such as Blowfish, Camellia and Rejindael. These algorithms are implemented and are compared to evaluate the performance of these algorithms.