![]() If you want to show the signature as disabled, here's an article on how to do it. You need to set the fields up in the right order to do this. When the user clicks on the signature, they are really clicking on the button. The signature field would need to be ReadOnly. A slightly trickier method is to place an invisible button(that does the same thing as 1) over top of the signature field. You wouldn't even have to enable the signature field. ![]() You could extend this method to actually start the signature process so the user doesn't have to actually click on the signature field. On a negitive result, use a popup to let the user know they need to change somthing. The easiest way is to create a validate button that runs code for validating the fields and then shows/enables the signature field on a positive result. In both methods you have to hide or disable the signature field so the user can't click on it.ฤก. Product Update - To read our product update, click here.There are a couple of ways to do this.Documentation - To read more about the Admin portal, click here.Video - To learn more about greytHR, click here.Only a few Root CA's are considered trusted by default by the Adobe certificate validation engine. Recommend to r efer a step by step process to validate signature. Digital Signature Verification in a PDF File, How to Verify Digital Signature in a PDF File if Signature showing Question Mark. Watch full process to validate Digital Signature from Question Mark to Correct Mark in a PDF File. ![]() ![]() As an alternative, the recipient must manually add the Root Certificate of the signing certificate on Adobe Trusted Identities. In this page you will read and watch video How to Validate Digital Signature in a PDF File. The user can validate the signature if the Root CA is already installed on Microsoft Certificate Store. This has nothing to do with the signing engine but with the Adobe certificate validation procedure. ![]() However, this doesn't mean that the signature is not valid. If the Root CA that issued the signing certificate is not included in Adobe Trusted Identities, the digital signature is considered as not trusted when the document is opened in Adobe Reader. Open the PDF file in PDF Converter Professional Left-click on the DSC field. Normally, the digital certificates are issued by a Root CA (Certification Authority). ![]()
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