Hello, i want to etablish a secure communication between my client and my server. To do so, I use boost.asio with openssl. First question: Do I have to build and include the openssl library libraries on my own (I do so now and it is working fine...)? Second question: The ssl-context for server and client is: ssl::context Context(IOService, ssl::context::sslv23); Context.set_options(ssl::context::default_workarounds); Context.set_verify_mode(ssl::context::verify_none); the client simply connects to the (listening) server pSSLSocket->lowest_layer().connect(ip::tcp::endpoint(ip::address_v4(acIP),999)); pSSLSocket->handshake(ssl::stream_base::client); the server executes an async_handshake if it accepts a new connection m_SSLSocket.async_handshake(ssl::stream_base::server, bind(&CConnection::OnHandshake, this, placeholders::error)); Unfortunately the async_handshake call (or the corresponding run call) fails. I am not sure why as I am not able to attach a debugger to my application, but the application definitely crashes. What's wrong?