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Convert PDF to PDF/A issue concerning signatures

Hello!

To convert PDF files with signature to PDF/A, it is necessary to remove the signature before conversion (using PdfFileSignature.removeSignature). This way, I get a valid PDF/A document after conversion. But if there was some kind of signature block in the input document, it is lost in the resulting document.
So I want to ask, if it is possible to remove the signature data itself, but preserve the visible signature block in the document?

Kind regards

@dvtdaten

Could you please share a sample PDF for our reference as well so that we can test the scenario in our environment and address it accordingly.

Attached is a signed input pdf and the PDF/A converted output without the signature block at the end of the document: signedPdf.zip (186.0 KB)

Is it possible to remove the signature data itself, but preserve the visible signature block in the document?

@dvtdaten

We were able to reproduce the issue in our environment while test the scenario with Aspose.PDF for Java 21.5. Therefore, we have logged it as PDFJAVA-40533 in our issue tracking system. We will further look into its details and keep you posted with the status of its correction. Please be patient and spare us some time.

We are sorry for the inconvenience.