Research of network information secure transmission

In network informationization 21st century, the internet popularization brought great convenience to the people. Meanwhile, the internet technology emerge its imperfection and it is likely to be easy hacked into. At present, the internet application makes the society into a huge network. The data might be filched or tempered during the network transmission. That will affect the interests of the apartment or the whole enterprise, even the national security. So the perfect way in allusion to the network secure transmission is data encryption. This method is to ensure the data details not to be known while being leak.