And how to ensure the security of electronic transaction processing and information exchanging activity in military information networks is very crucial. So the digital certificate as an authoritative document used to validate identity in the Internet / Intranet also arises at the historic moment. 而如何保障军队信息网中的安全事务处理和信息交换是目前最为关注的焦点,因而数字证书作为一种可以在Internet/Intranet上进行验证身份的权威性文档也就应运而生。