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https://issues.apache.org/jira/browse/PDFBOX-2001?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13947884#comment-13947884
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Nicolas Kaczmarski commented on PDFBOX-2001:
--------------------------------------------
If you open this document with Acrobat or FoxIt Reader, signature is well
detected. (I have added a screnshot in attachment)
This is not the case with PDFBox.
> Digital Signature information
> -----------------------------
>
> Key: PDFBOX-2001
> URL: https://issues.apache.org/jira/browse/PDFBOX-2001
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 1.8.3
> Reporter: Nicolas Kaczmarski
> Attachments: D.1_signiert.pdf
>
>
> We have a signed PDF but signature is described without key "Sig".
> As you can see in the standard PDF 32000-1:2008 - Table 252 - Entries in a
> signature dictionary, this key is optional :
> "(Optional) The type of PDF object that this dictionary describes; if
> present, shall be Sig for a signature dictionary. "
> But PDFBox seems to limit its research of signature only if this key "Sig" is
> present.
> What is your position about that?
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