Date Added: Jun 2012
In the recent times, security is the main thing that everybody is asking for; in the electronically message transferring system, data/information can be hacked anytime during transmission. The technique of keeping a message secure is cryptography. Cryptography is the study of mathematical techniques related to aspects of information security such as on confidentiality, data integrity, entity authentication, and data origin authentication. Cryptography is basically one set of technique which provides information security. The way of hiding a message in such a way that no third party can get the original message, this is called encryption.