Date Added: Apr 2011
The digital information revolution has brought about changes in the society and the lives. Its many advantages have also generated new challenges and new opportunities for innovation. New technology and new applications bring new threats and drives them to invent new protection mechanisms. With this rapid development in information technology, there is a growing demand for cryptographic techniques, which has spurred a great deal of intensive research activities in the study of cryptography. Since the 1990s, several researchers have observed that there exists an interesting relationship between chaos, fractal and cryptography.