Verify QR Code

Introduction

In the realm of document management and authentication, ensuring the integrity and validity of signatures is paramount. GroupDocs.Signature for .NET provides a comprehensive solution for verifying QR codes embedded within documents. In this tutorial, we’ll delve into the step-by-step process of verifying QR codes using GroupDocs.Signature for .NET.

Prerequisites

Before diving into the verification process, ensure that you have the following prerequisites in place:

  1. Installation of GroupDocs.Signature for .NET: Download and install GroupDocs.Signature for .NET from the download link.
  2. Access to a Document Containing QR Codes: Prepare a sample document that contains QR codes for verification.

Import Namespaces

Firstly, you need to import the necessary namespaces to utilize the functionalities provided by GroupDocs.Signature for .NET. Follow these steps:

using System;
using GroupDocs.Signature;
using GroupDocs.Signature.Domain;
using GroupDocs.Signature.Options;

Now, let’s break down the process of verifying QR codes embedded within a document using GroupDocs.Signature for .NET:

Step 1: Specify Document Path

string filePath = "sample_multiple_signatures.docx";

Ensure to replace "sample_multiple_signatures.docx" with the path to your document.

Step 2: Initialize Signature Object

using (Signature signature = new Signature(filePath))
{
    // Verification code goes here
}

Initialize a Signature object by providing the path to the document.

Step 3: Specify Verification Options

QrCodeVerifyOptions options = new QrCodeVerifyOptions()
{
    AllPages = true, // this value is set by default
    Text = "John",
    MatchType = TextMatchType.Contains
};

Define verification options such as AllPages to verify all pages, Text to specify the text to be matched within the QR code, and MatchType to define the matching criteria.

Step 4: Verify Document Signatures

VerificationResult result = signature.Verify(options);

Invoke the Verify method of the Signature object, passing the verification options.

Step 5: Handle Verification Results

if (result.IsValid)
{
    // Valid signature found
}
else
{
    // Invalid signature found
}

Based on the verification result, handle the success or failure scenarios accordingly.

Conclusion

In this tutorial, we’ve explored the process of verifying QR codes within documents using GroupDocs.Signature for .NET. By following these steps, you can seamlessly integrate QR code verification functionality into your .NET applications, ensuring document integrity and authenticity.

FAQ’s

Can GroupDocs.Signature for .NET verify QR codes across different document formats?

Yes, GroupDocs.Signature for .NET supports a wide range of document formats including DOCX, PDF, and more for QR code verification.

Is there a free trial available for GroupDocs.Signature for .NET?

Yes, you can avail of a free trial from the releases page.

What support options are available for GroupDocs.Signature for .NET users?

Users can access support via the forum for GroupDocs.Signature.

Can I purchase a temporary license for GroupDocs.Signature for .NET?

Yes, temporary licenses are available for purchase from the GroupDocs purchase page.

Is there extensive documentation available for GroupDocs.Signature for .NET?

Absolutely, you can refer to the detailed documentation provided here for comprehensive guidance on utilizing the functionalities of GroupDocs.Signature for .NET.

Verify Digital Signature Verify Text