SCDP describes a driver-level API, it doesn't tell you how to talk to the actual hardware. Vendors ship Windows drivers that implement that API but I'm not awar

SCDP describes a driver-level API, it doesn't tell you how to talk to the actual hardware. Vendors ship Windows drivers that implement that API but I'm not aware of any who've documented it. And while SCDP provides a secure communication channel with the biometric device, in itself that doesn't give you an ability to seal secrets to that device based on the biometric data.