▍1. openssl
基于OpenSSL的安全聊天系统 – Windows或Linux平台均可 – 点到点模式 – 基于OpenSSL的安全套接字通信 – 客户端服务器双向认证 (Mutual authentication based on OpenSSL Secure Sockets communication- client server based on the OpenSSL security chat system- Windows or Linux platforms can be- point-to-point mode-)