Windows Biometrics Framework

Windows OS provides LOGON/UAC to support biometric technology. The Biometrics API provides a range of APIs for accessing biometrics services, while users can develop their own biometrics API-based applications to produce customized services. such as, payment, privacy management, application Rights Management, image recognition and so on.

Purpose plug-in binary component that exposes a standard interface connects biometric Unit (BU) to sensor hardware Supplem Ents capabilities of simple sensors
Sensor adapter-Data Acquisition (optional) Engine adapter-algorithm control (registration, matching, etc.) (mandatory) Storage adapter-Secure template storage (optional)

WBDI Requirements:

Exposing the Wbdi interface GUID

Implement the necessary IOCTLs

Processing requests

umdf-using parallel I/O queue

callback function for Request object support cancellation request

Windows Biometrics Framework