This short tutorial explains how to verify signature in PDF using Python. You will get information to set the IDE for running the sample code, and the flow of the program with the help of a list of steps and a runnable sample code that can be used for verifying signature in PDF using Python. Different options available during this process will also be explored to perform other operations related to the digit signatures.

Steps to Verify Signature in PDF using Python

1. Set the environment to add Aspose.PDF for Python via .NET to verify the signature
2. Instantiate the PdfFileSignature object
3. Bind the target PDF with the above PdfFileSignature object using the bind_pdf() method
4. Call the verify_signature() method to verify the signature
5. Display the verification message if verified

These steps provide a summary for signature validation on PDF using Python. It shows that first a PdfFileSignature object is to be declared and then bind the source PDF using the bind_pdf() that enables the PdfFileSignature object to parse the PDF for verifying the signatures. Finally, call the verify_signature() method and provide the name of the signature that is to be verified if used by the PDF or not.

Code to Verify Digital Signature in PDF using Python

This crisp code demonstrates the PDF digital signature validation process using Python. It uses aspose.pdf.facades.PdfFileSignature object to bind and verify a particular signature by providing its name. The PdfFileSignature object contains different methods to check if a PDF has a digital signature or not, extract certificates, get the names of all empty signature fields, sign a PDF or even remove a signature.

This article shows us how to verify digital signature in PDF. If you want to learn the process to protect PDF files with passwords, refer to the article on how to protect PDF file with password using Python.