裸奔的 HTTP为什么需要 HTTPS ？因为 HTTP 在裸奔。针对上篇文章中提到过的安全传输信息的几个要素：保证传输内容的安全，即不传输明文防止传输内容被篡改，即可以识别篡改确认对方真的是对方，即通信双方身份的认证由于 HTTP 是明文传输的，也没有提供身份验证的方式，任何人都可以在通信链路...

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Https 为什么是安全的？这可以说是一个高频面试题了。但要完全说明白这个问题，你需要具备一些前置知识。所以在本篇中，暂时不会涉及到 Https 的具体通信流程。让我们先思考一个问题，如何安全的传输信息？保证传输内容的安全，即不传输明文防止传输内容被篡改，即可以识别篡改确认对方真的是对方...

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