# CA

证书和证书中心。人们常说：“要想进行 HTTPS 通信，就要安装证书”。这句话未免说得太笼统，我觉得，**应该刻意地区分开证书和证书中心**，下面以 Charles 为例讲讲。

![](/files/-M0XKJw4kjv5wsOzkeFY)


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