A smart-card-based user authentication scheme for wireless sensor networks (in short. a SUA-WSN scheme) is designed to restrict access to the sensor data only to users who are in possession of both a smart card and the corresponding password. While a significant number of SUA-WSN schemes have been suggested in recent years. their intended security properties lack formal definitions an... https://shopredoners.shop/product-category/high-rise-wide-leg-crop/