很简单的利用openssl 编写的ssl 客户端和服务端,大部分是在原来的基础上改的,添加了不少的新功能,大家可以看看,有什么不足可以提出.-Very simple to use openssl prepared ssl client and server, most of them based on the original change, add a lot of new features, we will look at, what are the deficiencies may have.