The System of Digital Signature Authentication Based on PKI
基于PKI技术的数字签名身份认证系统*

The article introduced a kind of authentication system based on PKI.CA is the core of the authentication system.With the development of PKI and CA,the identify certificate used in identify authentication and identity verification has made the complete system.The signature of data isn't easy to forge and the certificate issued by CA can represent the customer's identify.So used the principle of digital signature to identify the both communication sides,and used the certificate issued by credible CA to be the ID of the both sides.