Authentication, access control, and audit (3As) are three fundamental mechanisms in enterprise security management for countering various types of looming threats from both inside...
Current software interfaces for entering text on touch screen devices mimic existing mechanisms such as keyboard typing or handwriting. These techniques are poor for entering priv...
We examine the problem of keyboard acoustic emanations. We present a novel attack taking as input a 10-minute sound recording of a user typing English text using a keyboard, and t...
Context information is used by pervasive networking and context-aware programs to adapt intelligently to different environments and user tasks. As the context information is poten...
Abstract. We introduce and define the notion of identity-based zeroknowledge, concentrating on the non-interactive setting. In this setting, our notion allows any prover to widely...