Context There is a great variety of techniques for performing authentication, like the use of
text passwords or smart cards. Some techniques combine others into one, which is known …

This paper presents a comprehensive investigation of authentication schemes for smart
mobile devices. We start by providing an overview of existing survey articles published in the …

As the most prevailing two-factor authentication mechanism, smart-card-based password
authentication has been a subject of intensive research in the past two decades, and …

Dozens of two-factor authentication schemes have been proposed to secure real-time data
access in industrial wireless sensor networks (WSNs). However, more often than not, the …

Wireless sensor networks (WSNs) will be integrated into the future Internet as one of the
components of the Internet of Things, and will become globally addressable by any entity …

Despite the additional protection it affords, two-factor authentication (2FA) adoption
reportedly remains low. To better understand 2FA adoption and its barriers, we observed the …

The application of Internet of Things (IoT) has generally penetrated into people's life and
become popular in recent years. The IoT devices with different functions are integrated and …

Secure and efficient lightweight user authentication protocol for mobile cloud computing
becomes a paramount concern due to the data sharing using Internet among the end users …

Revealing the security flaws of existing cryptographic protocols is the key to understanding
how to achieve better security. Dozens of multi-factor authentication schemes for multi …

Providing secure, efficient, and privacy-preserving user authentication in mobile networks is
a challenging problem due to the inherent mobility of users, variety of attack vectors, and …