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Please follow the below steps to verify that the Digital Certificates and Digital Signatures are from trusted sources:Open the PDF file in the PDF reader.Left-click on the Digital Signature field.Click Verify SignatureClick PropertiesClick Verify IdentityAdd Contact information for certificate owner:More items...

Set signature verification preferencesOpen the Preferences dialog box.Under Categories, select Signatures.For Verification, click More.To automatically validate all signatures in a PDF when you open the document, select Verify Signatures When The Document Is Opened.More items...?

How to validate digital signatures in e-Aadhaar?Right click on the 'validity unknown' icon and click on 'Validate Signature'You will get the signature validation status window, click on 'Signature Properties'.Click on 'Show Certificate.More items...

Sometimes a signing will show the validity of the document certification is UNKNOWN displayed across the top of a signing. You can fix this by trusting the certificate. Click Signature Panel, then expand Signature Details and click Certificate Details...

The most recognizable authentication companies include Professional Sports Authenticator (PSA), James Spence Authentication (JSA), and Autograph Certification Experts (ACE). It's a good idea to go with one of these companies, as you want a recognizable company to authenticate your autograph.

Click OK Right click on the signed signature field Select "Validate Signature" - you should now get the green check mark.

View digital signature detailsOpen the file that contains the digital signature you want to view.Click File > Info > View Signatures.In the list, on a signature name, click the down-arrow, and then click Signature Details.