Verifying Text signatures

GroupDocs.Signature provides TextVerifyOptions class to specify different options for verification of Text signatures.

Here are the steps to verify Text signature within the document with GroupDocs.Signature:

This example shows how to verify Text signature in the document. See VerificationResult

Signature signature = new Signature("signedSample.pdf");
// create QRCode option with predefined QRCode text
TextVerifyOptions options = new TextVerifyOptions();
 
// specify if all pages shoudl be verified
options.setAllPages(false);
PagesSetup pagesSetup = new PagesSetup();
pagesSetup.setFirstPage(false);
pagesSetup.setLastPage(true);
pagesSetup.setOddPages(false);
pagesSetup.setEvenPages(true);
options.setPagesSetup(pagesSetup);
// specify text pattern
options.setText("John");
// specify verification text pattern
options.setMatchType(TextMatchType.Contains);
// specify types of QR code to verify
options.setSignatureImplementation(TextSignatureImplementation.Stamp);
options.setFormTextFieldTitle("Sample");
options.setFormTextFieldType(FormTextFieldType.RichText);
 
// sign document to file
VerificationResult result = signature.verify(options);
if (result.isValid()) {
    System.out.print("\nDocument was verified successfully!");
} else {
    System.out.print("\nDocument failed verification process.");
}

More resources

GitHub Examples 

You may easily run the code above and see the feature in action in our GitHub examples:

Free Online App 

Along with full-featured .NET library we provide simple, but powerful free Apps.
You are welcome to eSign PDF, Word, Excel, PowerPoint documents with free to use online GroupDocs Signature App.

Close
Loading

Analyzing your prompt, please hold on...

An error occurred while retrieving the results. Please refresh the page and try again.