A computer-implemented method, comprising: receiving encoded connection information at a close-range input device (160-c) being a near field communication input device of a client mode electronic device from a server mode electronic device, wherein the encoded connection information comprises a quick response code encoding a hash value, an Internet protocol address, and a transmission control protocol port number, wherein the hash value is obtained from applying a hash function on a random number generated by the server mode electronic device and a digital certificate associated with the server mode electronic device; decoding the encoded connection information into one or more connection elements; establishing a communication connection with the server mode electronic device utilizing the connection elements; receiving authentication information at the client mode electronic device via the communication connection; authenticating the server mode electronic device to the client mode electronic device utilizing the authentication information; and generating one or more human-readable authentication elements (146-f) responsive to authentication of the server mode electronic device for presentation via a display of a close-range output device (160-c) of the client mode electronic device and a display of the server mode electronic device, the one or more human-readable authentication elements (146-f) configured to confirm authentication of the client mode electronic device to the server mode electronic device, wherein the one or more human readable authentication elements comprise one or more word lists. receiving encoded connection information at a close-range input device (160-c) being a near field communication input device of a client mode electronic device from a server mode electronic device, wherein the encoded connection information comprises a quick response code encoding a hash value, an Internet protocol address, and a transmission control protocol port number, wherein the hash value is obtained from applying a hash function on a random number generated by the server mode electronic device and a digital certificate associated with the server mode electronic device; decoding the encoded connection information into one or more connection elements; establishing a communication connection with the server mode electronic device utilizing the connection elements; receiving authentication information at the client mode electronic device via the communication connection; authenticating the server mode electronic device to the client mode electronic device utilizing the authentication information; and generating one or more human-readable authentication elements (146-f) responsive to authentication of the server mode electronic device for presentation via a display of a close-range output device (160-c) of the client mode electronic device and a display of the server mode electronic device, the one or more human-readable authentication elements (146-f) configured to confirm authentication of the client mode electronic device to the server mode electronic device, wherein the one or more human readable authentication elements comprise one or more word lists.