How to Add Digital Signatures in a PPT File

The below code example clearly demonstrates the steps about how to add digital signatures to a PPT file using GroupDocs.Signature library in Java by adding just a few lines of code.

Create new instance of Signature class and pass source document path as a constructor parameter.
Instantiate the DigitalSignOptions object with required certificate & password.
Call Sign method of Signature class instance; pass DigitalSignOptions to it.
Analyze SignResult result to check newly created signatures if needed.

System Requirements

GroupDocs.Signature for Java APIs are supported on all major platforms and operating systems. Before executing the code below, please make sure that you have the following prerequisites installed on your system.

Operating Systems: Microsoft Windows, Linux, MacOS
Development Environments: Visual Studio, Xamarin, MonoDevelop
Frameworks: .NET Framework, .NET Standard, .NET Core, Mono
Download the latest version of GroupDocs.Signature for Java from NuGet

Signature signature = new Signature("sample.pdf"); 
DigitalSignOptions options = new DigitalSignOptions("certificate.pfx");
 
// certifiate password
options.setPassword("1234567890");
// digital certificate details
options.setReason("Sign");
options.setContact("JohnSmith");
options.setLocation("Office1");
 
// image as digital certificate appearance on document pages
options.setImageFilePath("sample.jpg");
//
options.setAllPages(true);
options.setWidth(80);
options.setHeight(60);
options.setVerticalAlignment(VerticalAlignment.Bottom);
options.setHorizontalAlignment(HorizontalAlignment.Right);
Padding padding = new Padding();
padding.setBottom(10);
padding.setRight(10);
options.setMargin(padding);
 
SignResult signResult = signature.sign("signed.ppt", options);
// analyzing result
System.out.print("List of newly created signatures:");
int number = 1;
for(BaseSignature temp : signResult.getSucceeded())
{
    System.out.print("Signature #"+ number++ +": Type: "+temp.getSignatureType()+" Id:"+temp.getSignatureId()+
            ",Location: "+temp.getLeft()+"x"+temp.getTop()+". Size: "+temp.getWidth()+"x"+temp.getHeight());
}

Other Available Options

Multi-format digital signatures API for documents and images. Add signatures to some of the popular file formats as stated below.

Add Digital Signatures to PPT in Java

Secure your PPT files by adding popular digital signature types using Java library. Manipulate electronic signatures properties and set up advance signing options within documents as you may need.

About GroupDocs.Signature for Java API

How to Add Digital Signatures in a PPT File

System Requirements

Add PPT Signature Live Demos

What is PPT File Format

Other Available Options