Start an asynchronous SSL handshake.
template< typename HandshakeHandler> DEDUCED async_handshake( handshake_type type, HandshakeHandler && handler); » more... template< typename ConstBufferSequence, typename BufferedHandshakeHandler> DEDUCED async_handshake( handshake_type type, const ConstBufferSequence & buffers, BufferedHandshakeHandler && handler); » more...