With the rapid development of network and communication technologies, there comes an urgent and higher requirement on the verification, which should be more veracious, safe and practicable.
随着网络技术与通信技术的飞速发展，现代社会对个人身份识别的准确性、安全性与实用性提出了更高的要求。
3
It is an urgent need for network secure communication to apply Chaos theory to the multimedia signals transmission, and it is one of most advanced and hot research topics internationally.