But, If you see a ‘?’ mark on the digital signature in your downloaded Aadhaar file, you will have to manually validate it for authenticity. Read on to know how to do it.
Working internet connectivity
An electronic version of Aadhaar
Steps to validate
Open e-Aadhaar PDF file on your computer and enter the PIN
Right-click on the ‘validity unknown’ icon and click on ‘Validate Signature’
Click on the Signature Properties option
Click on ‘Show Certificate.’
Then, click on Show Signature’s Certificate button
Mark the certification path named ‘NIC sub-CA for NIC 2011, National Informatics centre’, click the ‘Trust’ tab and then ‘Add to Trusted Identities’.
Click on Ok from the security popup window
Check (✔) the field for ‘Use this certificate as a trusted root’ and click ‘OK’ twice to close this and the next window.
Click ‘Validate Signature’ to execute the validation.
Note: Once ‘NIC sub-CA for NIC 2011, National Informatics centre’ has been as a Trusted Identity, any subsequent documents with digital signatures from CCA will be validated automatically when opened.