June 28, 2018

White Paper: Hardware-backed Keystore Authenticators (HKA) on Android 8.0 or Later Mobile Devices

Enabling Any Relying Parties to Create FIDO UAF (1.1 or later) Client Apps

This paper introduces the details of a hardware-backed Keystore authenticators (HKA) implementation approach, based on the first commercial deployment. It takes advantage of secure Android Keystore with key attestation and fingerprint sensors in hardware on standard off-the-shelf Android 8.0 or later mobile devices. Since it is enabled only by Android applications, any RPs and application developers can develop their own secure FIDO UAF 1.1 authenticators.

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