Verify if a PowerPoint Document is Digitally Signed Using Java

Import JAR Dependency (2 Methods)


Steps and Sample Code

  • Create a Presentation instance.
  • Load a PowerPoint document using Presentation.loadFromFile() method.
  • Detect if the document is digitally signed or not using Presentation.isDigitallySigned() method.
import com.spire.presentation.Presentation;

public class VerifyIfPPTisDigitallySigned {
public static void main(String []args) throws Exception {
//Create a Presentation instance
Presentation ppt = new Presentation();
//Load a PowerPoint document

//Verify if the document is digitally signed or not
if (ppt.isDigitallySigned()) {
System.out.println("This document is digitally signed");
} else {
System.out.println("This document is not digitally signed");




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