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https://issues.apache.org/jira/browse/PDFBOX-5012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17238245#comment-17238245
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Marco Pancioni commented on PDFBOX-5012:
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Hi [~mkl] and [~msahyoun] ,
sorry for delay in response.
We have produced a file without XFA as described in this comment (attached)
Trying to sign this file, the result is the same: Adobe does not recognize
signature.
So i think it's not possibile to remove the dynamic part of XFA or we don't use
the correct procedure.
Above comments indicate that type of XFA is dynamic and this is the problem
encountered during signature with pdfbox, but testing with methods
{{PDAcroForm.hasXFA()}} and {{PDAcroForm.xfaIsDynamic()}} report two different
output: true in first case and false in second case.
Is correct? If yes, is there a method to determine if remove the XFA is secure
or not respect to entire file?
> Signature Field Not Recognize
> -----------------------------
>
> Key: PDFBOX-5012
> URL: https://issues.apache.org/jira/browse/PDFBOX-5012
> Project: PDFBox
> Issue Type: Bug
> Components: Signing
> Affects Versions: 2.0.21
> Reporter: Marco Monacelli
> Priority: Major
> Labels: XFA
> Attachments: PDF_orig_anon.pdf, PDF_orig_anon_without_XFA.pdf
>
>
> We have a document with a signature field prepared.
> We can locate the signature field and add the signature to it, but the result
> is still an unsigned document.
> CosWriter not identifies the field as a signature field.
> The document has been made anonymous but the result is the same as the
> original.
>
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