GroupDocs.Signature empowers .NET developers to safeguard PPTX documents against alterations using digital signatures. Augment your business applications with robust data protection capabilities.
// Leverage Signature to digitally sign the document
using (Signature signature = new Signature("input.pptx"))
{
// Provide the digital certificate and associated password
DigitalSignOptions options = new DigitalSignOptions("certificate.pfx")
{
Password = "1234567890",
// Configure visual representation if required
PageNumber = 1,
Left = 50,
Top = 50
};
// Secure the document with the digital certificate
SignResult result = signature.Sign("output.pptx", options);
}
The GroupDocs.Signature for .NET library is engineered to sign all prevalent file formats. Streamline your business processes by easily adding, modifying, verifying, or removing a variety of signatures.
Embed Text, Image, Barcode, QR-Code, or Stamp signatures with precision on any page of any supported document. You can also add or edit hidden metadata, such as EXIF, in images and most file types. Ensure the integrity of your document content with digital signatures.
Post-signature processing offers numerous possibilities. Verify that your signed documents have been correctly processed. For greater control, retrieve a comprehensive list of all signatures through the search function.
Most signature types are fully editable. You have the flexibility to adjust text, reposition elements, change colors, resize, and more.
Our solution provides full CRUD operations for signatures. If necessary, you can remove a variety of signature types, including digital certificates, from your document.
// Provide the document to be signed
using (Signature signature = new Signature("input.pptx"))
{
// Use a valid digital certificate with the corresponding password
DigitalSignOptions options = new DigitalSignOptions("certificate.pfx")
{
Password = "1234567890",
// Specify any additional text information
Reason = "Security issue",
Contact = "John Smith",
Location = "Office D.W.",
// Incorporate an image and other options for visual representation
ImageFilePath = "image.png",
AllPages = true,
VerticalAlignment = VerticalAlignment.Center,
HorizontalAlignment = HorizontalAlignment.Left,
Width = 60,
Height = 80,
Margin = new Padding() { Bottom = 10, Right = 10 }
};
// Save the secured document to a designated location
SignResult result = signature.Sign("output.pptx", options);
}
Download GroupDocs.Signature for free or get a trial license for full access!
Explore documentation, code samples, and community support to enhance your experience.
We deliver a rich variety of signature formats and powerful operations
The .NET API empowers you to process over 60 different formats. You can seamlessly create and embed diverse signatures on any page, apply digital certificates for content security, and efficiently manage existing signatures within the document.
