The Research Of Chaotic Encryption Communication Based On Chua's Circuit

Currently the security of Computer Communication is extremely important, however, the existing information security measures and traditional cryptosystems are still facing challenges of function requirements and hacker attack now and need to develop and improve continually. Chaotic systems are characterized by noise-like behavior, extremely sensitive dependence on initial conditions, and continuous broad-band power spectrum. These properties are all especially suitable to secure communication system, and chaos theory and chaotic communications have achieved the vast research results. Based on these basis combined with the character of Internet, we can research and develop the chaotic encryption system based on Internet. Having no problem of robustness of chaos synchronization, meanwhile having some feasibility, we can have new ideas for cryptography, therefore it is meaningful theoretically and practically.The thesis mentally aim at the topic on chaotic communication tightly, base not only the nonlinear system theories but also communication theories with modern, apply the good characteristic of chaos to the correspondence system, point key problem mentally on chaotic synchronization and safe hash arithmetic etc during chaotic communication research. Because chaotic communication system is nonlinear system, we should carry through the analysis adopting nonlinear system theories .The main work contents and creative point of thesis is as follows:1,chaotic synchronization is foundation and premise of chaotic communication, which is key on success and failure of communication, So in chapter 2 we introduce mentally dense chaotic synchronization and chaotic controlling theories, point emphasizing mentally that synchronously coupling method, providing chaotic theory and related technique foundations for...