Just One Pure ITer
摘要：本文尝试一步步还原HTTPS的设计过程，以理解为什么HTTPS最终会是这副模样。但是这并不代表HTTPS的真实设计过程。在阅读本文时，你可以尝试放下已有的对HTTPS的理解，这样更利于“还原”过程。 我们先不了聊HTTP，HTTPS，我们先从一个聊天软件说起，我们要实现A能发一个hello消息给B： 如果我们要实现这个聊天软件，本文只考虑安全性问题，要实现： A发给B的hello消息包，即使被中间人拦截到了，也无法得知消息的内容 1.
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