Aadhar Authentication Flow

The Aadhaar Authentication Flow denotes the flow of requests and responses that takes place during an Authentication request using the Aadhaar API. The stages in the Aadhar Authentication are described below:

STEP-1: The user places an Authentication request through a Hardware device which is capable of capturing Aadhaar Number / Biometric information. The information captured here is encrypted and can only be decrypted by UIDAI

STEP-2: AUA client application sends this data securely to the AUA servers. AUA servers sign the request.

STEP-3: AUA captures data along with necessary additional field which is sent across to the ASA.

STEP-4: The ASA sends the package to UIDAI which queries the CIDR databases to verify if the Aadhaar data requested is valid or not.

STEP-5: The UIDAI sends ‘Yes’ or ‘No’ response or resident details are sent back to the ASA and then to AUA server.

STEP-5: The AUA server confirms receipt of the data

STEP-5: Service delivery is offered to the Aadhaar user based on the authentication.

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