International Journal of Latest Trends in Engineering and Technology (IJLTET)
With rapid growth of internet access users it is much easier to change the original information. Therefore many internet users worry about their document security. There is need to develop system which can protect data from hackers. Cryptography plays important role in the field of internet security. Now-a-days many encryption algorithms are available such as DES, Blowfish, AES and MARS etc. Each one has their own benefit. User need to choose encryption algorithm according to their need. Every algorithm has their own strength and weakness.