Unable to unlock PDF File

Aspose.PDF Product Family
1

I am trying to unlock the Attached PDF file using password “test”

Aspose.Pdf.Kit.PdfFileSecurity sec = new Aspose.Pdf.Kit.PdfFileSecurity(@"c:\test\test.pdf", @"c:\test\test2.pdf");

sec.DecryptFile("test");

But same file we can able to unlock through Adobe pdf writer. Please let me know how to fix this issue.

2

Hi Ganesan,

Please try to decrypt the PDF file with empty password as shown below:


sec.DecryptFile("");

I hope this helps. If you have any further questions, please do let us know.
Regards,