标签：tar blank targe target ref com tls .com lan
转自：
http://www.cnblogs.com/leivon/p/5691619.html
https://www.cnblogs.com/leivon/p/5692588.html
[加密]SSL/TLS原理详解
原文地址：https://www.cnblogs.com/aaronLinux/p/9133226.html
