江汉大学学报（自然科学版）

数字证书是CA颁发的一种电子证书,对于数据加密采用了公钥与私钥模式,可以有效保证数据在传输过程中的安全性。因此,数字证书被广泛地运用于授权身份管理、可信网站服务、安全终端保护、安全电子邮件以及代码签名保护等安全工作中,从而有效保证了网络的安全性。首先对数字证书进行简略概述,并以此为背景对数字证书的原理进行了分析与研究,最后指出了数字证书在网络安全方面的实际运用。

Digital certificate is an electronic certificate issued by the CA. The technology uses public key and private key for data encryption mode,it can effectively guarantee the security of data during transmission, therefore, the digital certificates have been widely applied to authorized identity management,trusted website services,terminal security protection,e-mail security and code signing protection,so as to effectively guarantee the security of the network. The author introduced the digital certificate briefly,then analysed the principle of digital certificate,at last,pointed out the application of digital certificate in network security.