The device needs to be registered with the Tatvik TMF20 RD service Management Server as well as with UIDAI before it can be used for Aadhaar based authentication.
This will be done automatically by the Registration Service software and generally does not require any user intervention. The Management Client also provides ways to activate a device manually if required. Tatvik TMF20 Registered Device (RD) service as per UIDAI RD API specifications for Aadhaar authentication applications. Tatvik TMF20 RD Service Renewal / Recharge Specifications & Features: - FAP20 compliant large capture area - Secure boot with RSA signature verification - Finger capture and extraction module in TEE (Trusted Execution Environment) - Secure processor with hardware RSA Keystore, Signing, RSA-2048, AES-256, SHA-256, TRNG
 
The functionality of registering a biometric device and issuing a device certificate is handled by the Device Provider.
The RD Service also provides the core functionality of biometric capture. The UIDAI server, on the other hand, provides the functionality of authenticating the biometric data captured by the Registered Device Service against its own database.