Websocket-Echo-Server C++ Websocket Echo Server Features Use only c++ standard libraries. Dependencies c++17 openssl (only use SHA1, ) Used only for SHA1 It will be implemented based on the c++ standard library soon. Platforms Win Linux Referenced in https://datatracker.ietf.org/doc/html/rfc6455 https://developer.mozilla.org/ko/docs/Web/API/WebSockets_API/Writing_WebSocket_servers