The Application of Data Encryption Technology Based on Network Security

: With the development of information technology, the problem of computer network security is becoming more and more prominent. Illegal invasion, information disclosure, virus impact and network vulnerability are all factors that affect computer network security. In the process of rapid development of Internet technology, the development speed of computer communication technology is getting faster and faster. Data encryption technology not only can encrypt and decrypt data, but also can realize digital signature, authentication and authentication and other functions, thus ensuring the confidentiality, integrity and confirmation of data transmission over the network. The application of data encryption technology in the process of information transmission, provides a favorable safeguard for information security, is the main effective way to guarantee the computer security currently. The author introduced several data encryption technology, analyzed its application in computer security. Nowadays, in the network age, computer security issues have attracted much attention. In order to ensure computer network security, it is necessary to pay attention to improving data encryption technology. The data encryption system is simple and effective, with good security and practicality.