This is a codebase for Jiayi's PhD thesis, Adaptive User Authentication on Mobile Devices. Please feel free to contact Jiayi (jiayi.chen@uwaterloo.ca) for any questions regarding the thesis projects.
Chaperone is an active acoustic sensing based smartphone loss prevention solution.
DSA (Device Sharing Awareness) is an Android solution that provides automatically detection of device sharing events.
SHRIMPS is a multi-user, multi-modal implicit authentication (IA) framework for designing and evaluating multi-user IA schemes.
MRAAC is a multi-stage risk-aware adaptive authentication system and access control framework.