The goal of this work is to enable user authentication via finger inputs on ubiquitous surfaces
leveraging low-cost physical vibration. We propose VibWrite that extends finger-input …

With increasing private and sensitive data stored in mobile devices, secure and effective
mobile-based user authentication schemes are desired. As the most natural way to contact …

Inputting a pattern or PIN code on the touch screen is a popular method to prevent
unauthorized access to mobile devices. However, these sensitive tokens are highly …

Securely pairing wearables with another device is the key to many promising applications,
such as mobile payment, sensitive data transfer and secure interactions with smart home …

Biometrics have been widely adopted for enhancing user authentication, benefiting usability
by exploiting pervasive and collectible unique characteristics from physiological or …

PIN and pattern lock are difficult to accurately enter on small watch screens, and are
vulnerable against guessing attacks. To address these problems, this paper proposes a …

Continuous user authentication is of great importance to maintain security for a mobile
system and protect user's privacy throughout a login session. In this paper, we propose …

With the rich functionalities and enhanced computing capabilities available on mobile
computing devices with touch screens, users not only store sensitive information (such as …

Wearable devices that capture users' rich information regarding their daily activities have
unmet authentication needs. Today's solutions, which primarily rely on indirect …

Smartwatches have come into wide use in recent years, and a number of smartwatch
applications that improve convenience and user health are being developed and introduced …