Cryptography and Steganography: Security in Electronic Transactions

Abstract

A new use for two ancient arts and sciences; Cryptography and Steganography are now as useful as they were thousands of years ago. The digital communication security rests mainly on the developments of these two methodologies to assure that the flow of information generated by the e-commerce (e means electronic), the Internet, and other electronic transactions, require to be protected against unauthorized interventions. By developing and applying these techniques, the flow of information is kept under reasonable protection from outside unwanted intruders. On the other hand, the governments of some countries around the world are considering to establish methods to control the use of these technologies. Meanwhile, there are groups that are against any intent of control or restriction from part of the Government for the use of these methods.