How to Verify Digital Signatures in a PSD File

The code example below clearly demonstrates the steps about how to verify digital signatures in an already signed PSD file in Java using GroupDocs.Signature library 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 DigitalVerifyOptions object according to your requirements and specify verification options.
Call verify method of Signature class and pass DigitalVerifyOptions to it.

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");
DigitalVerifyOptions options = new DigitalVerifyOptions(Constants.CertificatePfx);
options.setComments("Test comment");
options.setPassword("1234567890");

// verify document signatures
VerificationResult result = signature.verify(options);
if (result.isValid())
{
    System.out.print("\nDocument was verified successfully!");
}
else
{
    System.out.print("\nDocument failed verification process.");
}

Other Available Options

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

Verify Digital Signatures in PSD via Java

Java library to verify all popular digital signature types within a PSD file. Easily manipulate psd properties and customize signing options within documents and images.

About GroupDocs.Signature for Java API

How to Verify Digital Signatures in a PSD File

System Requirements

Verify PSD Signature Live Demos

What is PSD File Format

Other Available Options