This certificate database, actually composed of several files (cert7.db, key3.db), has to be built using some external tool from the Netscape Network Security Services (NSS) called 「certutil」.
这个证书数据库实际上由几个文件组成(cert7 . db和key3 . db),必须使用Netscape Net workSecurity Services (NSS)提供的外部工具「certutil」构建它。