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https://issues.apache.org/jira/browse/PDFBOX-1822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13879023#comment-13879023
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Andreas Lehmkühler commented on PDFBOX-1822:
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I changed the implementation of COSDocument#isXRefStream in revision 1560474. I
tno more relies on the trailer dictionary to determine if the pdf uses a xref
table or a xref stream.
Can someone please check if the signing now works as I'm not familiar with all
that signing stuff.
> Signature byte range is Invalid
> -------------------------------
>
> Key: PDFBOX-1822
> URL: https://issues.apache.org/jira/browse/PDFBOX-1822
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing, PDModel, PDModel.AcroForm, Signing
> Affects Versions: 1.8.3, 1.8.4, 2.0.0
> Reporter: vakhtang koroghlishvili
> Attachments: araxis-merge - compare two document.jpg,
> damaged-sig.jpg, unsigned-signed.pdf, unsigned.pdf
>
>
> On person send me a unsigned PDF document. He wanted to sign it. When I try
> to sign it (using pad box), I have some problem.
> After signing adobe reader tells me "The signature byre range is invalid".
> I will attach original and signed document.
> I think, it is PDF box parser error. another signature libraries sign
> document very well. I'm searching the problem at the moment, in order to fix
> it.
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