论证子系统的设计：包括认证中心的建立与运作，商家证书和用户证书的申请、颁发、查询、安装。
The authentication subsystem which includes the establishment and operation of authentication center, the application, grant, query, and setting of merchant and client certificate.
论证子系统的设计：包括认证中心的建立与运作，商家证书和用户证书的申请、颁发、查询、安装。
The authentication subsystem which includes the establishment and operation of authentication center, the application, grant, query, and setting of merchant and client certificate.
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