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1 引言进入21世纪,网络安全问题已不再停留在认识阶段,而是进入了实施阶段。随着网络安全投资的不断增加,网络安全技术应用越来越广泛,从电子商务、事务处理到软件发布、电子邮件,任何安全系统都离不开认证,数字签名是目前应用最广的认证系统。数字证书提供了一种在Internet上进行身份认证和数字签名的方式,在网上进行事物处理、电子商务等活动时,双方需要使用数字证书来表明自己的身份,并使用数字证书来进行有关操作。
1 Introduction In the 21st century, the issue of cybersecurity has ceased to exist in the stage of cognition, but has entered the implementation phase. With the increasing investment in network security, network security technology is more and more widely used. From e-commerce, transaction processing to software distribution, e-mail, any security system can not be separated from authentication, digital signature is the most widely used authentication system . Digital certificates provide a way to authenticate and digitally sign on the Internet. When doing online transactions such as things processing and e-commerce, both parties need to use digital certificates to prove their identities and use digital certificates to carry out the operations.