![]() You can also allow your trusted identities from the Windows Certificate Store to be used during verification. If the time stamp authority’s certificate is not listed, you will have to request it from the signer.Ĭhoose Security > IDs and Certificates > Trusted Identities to manage your list of trusted identities. If the time stamp authority’s certificate is not trusted, click Add To Trusted Identities. When a document is signed, the signature render as valid on the signer machine, however, when sent to a recipient the signature validity appears as Unknown or. Then click the Show Certificate button in the General pane if the signer time-stamped from a third-party authority. In the Signature Properties dialog box, click the Date/Time tab to view the time stamp authority. In the Validation Status dialog box, click Properties. If the Root CA that issued the signing certificate is not included in Adobe Trusted Identities. 4) Verify that there is a certification path. 2) You will get the signature validation status window, click on Signature Properties. Right-click a signature and select Verify Signature from the shortcut menu. Validate the Signature using Windows Integration. You may try the following steps and see if this helps: 1) Right-click on the validity unknown icon and click on Validate Signature. If there is no contact information for a known signer, use alternate means to verify the signature. If so, you can confirm the signature's origin by matching certificate numbers. Click Verify Identity to see if the user has entered contact information. If the Validity Status is Unknown, you will have to verify the signature by contacting the signer. ![]() The Validation Status information box shows the results.Ĭlick Properties for more information about the signature. Now you need to click on ‘Show Certificate’. This will display a dialog showing the Signature Validation Status To view further. After that, You will get the signature validation status window, click on ‘Signature Properties’. Using the Hand Tool select the signature that you wish to validate. Now, Right-click on the ‘ Validity Unknown ‘ icon and click on ‘Validate Signature’. Every time we click on a signature, we get this message in Reader DC, and cannot further sign a document. We are struggling with getting Adobe Reader DC to recognize signature as trusted. Right-click a signature on the page and then select Verify Signature from the shortcut menu. Open the eAadhaar Downloaded from UIDAI Resident Portal with Adobe Reader. By configuring digital signatures validation preferences, you can enable validating signatures automatically when the document. Adobe Reader DC signature validity UNKNOWN. Open a PDF document containing a digital signature. Verifying a signature means to check the signature validity and whether any changes have been made to the PDF document since it was signed. ![]() Verifying Digital Signatures Verifying Digital Signatures
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