关键词: 中国疾病预防控制信息系统, 云认证服务平台, 数字证书, 身份认证, 多CA互信互认

Abstract: This paper provides twofactor login authentication method based on digital certificate for Chinese center for disease control and prevention information system registered users, based on digital certificate, establishes a highsecurity and highly reliable identity authentication management mechanism through the establishment of cloud electronic authentication service platform. Thus it can prevent the hidden dangers of account information leakage. At the same time, it also describes how to build multi CA mutual trust mechanism. In order to solve the problem of mutual recognition of digital certificates in different CA institutions to achieve cross regional data transmission and sharing issues, support the analysis of different CA certificates, certificate file storage, certificate query verification of the unity.

Key words: Chinese center for disease control and prevention information system, cloud authentication service platform, digital certificate, identity authentication, multi CA mutual trust