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PDF Signature breaks PDF/A


Signing a PDF/A document breaks the PDF/A compliance.

Does Aspose plan to implement PDF signature which keeps the PDF/A compliance ? This is mandatory for the application we are working on.

We're using Aspose PDF version 7.2.0.

please check this technical note :


Hi Pnocera,

Thanks for using our products.

have tested the scenario and I am able to reproduce the same problem. For the
sake of correction, I have logged it in our issue tracking system as PDFNEWNET-34110. We will investigate this
issue in details and will keep you updated on the status of a correction.

We apologize for your inconvenience.

Hi Pnocera,

I have further tested this scenario and have found that the source file which you have shared is not PDF/A compliant. I have tried using the Pre-flight option of Adobe Acrobat. Can you please double check at your end.

Hi Pnocera,

We have recently released the latest version of Aspose.Pdf for .NET 7.6.0 which includes many fixes related to PDF/A conversion. Please try using it and in case you encounter the similar issue or you have any further query, please feel free to contact.