Smart wearable devices, as a popular mobile device, have a broad market. Smart wearable
medical devices implemented in wearable health monitoring systems can monitor the data
pertaining to a patient's body and let the patient know their own physical condition. In
addition, these data can be stored, analyzed, and processed in the cloud to effectively
prevent diseases. As an Internet‐of‐things technology, fog computing can process, store,
and control data around devices in real time. However, the distributed attributes of fog nodes …

… Security and Communication Networks … Wiley and Hindawi regrets that the usual
quality checks did not identify these issues before publication and have since put additional
measures in place to safeguard research integrity. … Chen, “FogDriven Secure
Authentication and Key Exchange Scheme for Wearable Health Monitoring System,”
Security and Communication Networks, vol. 2021, Article ID 8368646, 14 pages, 2021. …