package main

import "crypto/tls"

func main() {

        cert, err := tls.LoadX509KeyPair("server.crt", "server.key")
        if err != nil {
                panic(err)
        }

        config := new(tls.Config)
        config.Certificates = []tls.Certificate{ cert }
        config.AuthenticateClient = true

        listener, err := tls.Listen("tcp", "127.0.0.1:8080", config)
        if err != nil {
                panic(err)
        }

        for {
                conn, err := listener.Accept()
                if err != nil {
                        panic(err)
                }
                tlsConn := conn.(*tls.Conn)

                err = tlsConn.Handshake()
                if err != nil {
                        println("Handshake failed:", err.Error())
                        tlsConn.Close()
                        continue
                }

                println("Handshake succeeded!")
                tlsConn.Close()
        }
}