参考文章
iOS学习笔记——HTTPS原理篇
HTTPS工作原理和TCP握手机制
图解SSL/TLS协议
How to Use SSL/TLS with Node.js
在上一篇博文《Node核心模块之crypto》中，提到了加密（摘要，加密解密，签名等）的四种常见类型：
Hash（哈希）
HMAC（基于哈希的消息认证码）
加密，解密
签名，验证
HTTPS的整个过程和以上几种方法密切相关。
CA证书
CA 即 Certificate Authority （数字证书认证机构），CA证书的签发以及验证包含以下三方：
CA
Server
Client
过程包括：
Server生成一对公钥和私钥
Server将公钥以及域名等信继续阅读 »
最近碰到一个问题，应用程序每天的第一次进行系统访问时，会报一个奇怪的错误，最后经过仔细的跟踪，错误信息找到了,如下所示:
The last packet successfully received from the server was 60,428,178 milliseconds ago. The last packet sent successfully to the server was 60,428,180 milliseconds ago。继续阅读 »
最近在 mac 上用 terminal 启动 python 的时候经常会提示我，端口被占用了，像这样
bash
0 errors found
February 25, 2016 - 18:25:21
Django version 1.6.7, using settings 'green.settings'
Starting development server at http://0.0.0.0:8000/
Quit the server with CONTROL-C.
Error: That port is already in use.
ps aux | grep python
shell
(kkh)➜ green 继续阅读 »
Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub.
Quick Start
Create a new post
bash
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More info: Writing
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Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub.
Quick Start
Create a new post
bash
$ hexo new "My New Post"
More info: Writing
Run server
bash
$ hexo server
More in继续阅读 »