INF1822-IoT-Cryptographic-Algorithms References https://github.com/scottmac/arduino https://github.com/tzikis/arduino https://github.com/spaniakos/ArduinoMD5 https://github.com/rweather/arduinolibs http://spaniakos.github.io/ArduinoDES/ https://nodemcu.readthedocs.io/en/master/en/modules/crypto