In order to ensure the information security, the users can encryption and signature the transmitting data information by using the Data Certificate, which is issued by the certificate authority.

• PKI技术采用证书管理公钥,通过CA认证中心发放的数字证书,对要传输的数字信息进行加密和签名,保证信息的机密性、真实性、完整性和不可否定性,从而保证信息的安全。