Due to its significant global impact, both domestic and international efforts are underway to
cure the infection and stop the COVID-19 virus from spreading further. In resource-limited …

Recent years have seen the emergence of practical advanced cryptographic tools that not
only protect data privacy and authenticity, but also allow for jointly processing data from …

Traditional (physical) access control systems are well-established mechanisms, allowing
organizations to determine who should be able to access which physical space. This can …

Abstract A Single Sign-On (SSO) system allows users to access different remote services
while authenticating only once. SSO can greatly improve the usability and security of online …

While several electronic apps help with contact tracing of COVID patients, and those apps
do not prevent patients from getting in contact with healthy international travelers or …

This study investigates the acceptance and perceptions of COVID-19 mobile applications,
particularly the Excelsior Pass for proof of vaccination in New York State (NYS). Employing …