DES Algorithm of Encryption Algorithm
Zhengqiang Wang · Journal of Xingtai Polytechnic College · 2006
21st century is an information age.Information is playing more and more important role in society and has become a important strategic resource.Information technology changes our life and work style.At the same time Information security has become one of our important social problems.This paper introduces one method to ensure the information security.and mainly discusses the basic conception、structure and encryption algorithm of group key in single key crypto-system.