Verify Digital Signatures in Documents using Java

VerifyDigitalSignature.java

// Verifying Digital Signatures in a PDF document using Signature API for Java by GroupDocs
Signature signature = new Signature("sample_signed.pdf");

DigitalVerifyOptions options = new DigitalVerifyOptions("certificate.pfx");
options.setComments("Test comment");
options.setPassword("1234567890");

// Verify Document Signatures
VerificationResult result = signature.verify(options);
if (result.isValid()) {
    System.out.println("Document Verified Successfully !");
}
else {
    System.out.println("Document Verification Failed.");
}