A Public-Key Protection Scheme Using in the Wireless Module of the Digital Stethoscope

Internet of Things (IoT) is the future development trend of consumer electronics products, especially in the medical field. Stethoscopes are used to listen to acoustic signals from the internal organs of the human body. It plays a very important role in the diagnosis process, and the chest piece and the connecting cable are known to facilitate transmission of pathogens from patient to the user (doctor). Replacing the connecting cable with a wireless system may help reduce the potential risk and further allow broadcasting of the signals for multi-users for examination simultaneously. However, there is no good security protection in wireless system that could cause patient's privacy and information leakage issues. This paper proposes the use of wireless transmission module and electronic stethoscope combination that is convenient to connect with any smart mobile devices or servers for storing the diagnosis information and analyzing on line. Meanwhile, the design of wireless transmission module is also integrated public-key based security scheme against with common wireless system attacks and threats.