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https://issues.apache.org/jira/browse/PDFBOX-1780?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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vakhtang koroghlishvili updated PDFBOX-1780:
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Attachment: original-signed [ORIGINAL].pdf
original-signed -[FIXED].pdf
original-signed [DAMAGED].pdf
testing pdf files.
> previous revision is damaged after signing
> ------------------------------------------
>
> Key: PDFBOX-1780
> URL: https://issues.apache.org/jira/browse/PDFBOX-1780
> Project: PDFBox
> Issue Type: Bug
> Components: Parsing, Signing, Writing
> Affects Versions: 1.8.2
> Reporter: vakhtang koroghlishvili
> Priority: Critical
> Attachments: original-signed -[FIXED].pdf, original-signed
> [DAMAGED].pdf, original-signed [ORIGINAL].pdf
>
>
> Ihave PDF file which was signed by some other application. When I try to sign
> it with PDFbox, previous revision is damaged.
> I have discussion at stackoverflow, with Michael Klink.
> http://stackoverflow.com/questions/19903884/pdf-document-is-modified-by-another-revision/19905271?noredirect=1#19905271
> when we see some changes merely was structural. Some changes was just
> rounding problem - ISSUE 1778.
> When I test, problem of damaged signature was caused from structural change
> [where there must be direct reference, there was indirect reference and etc..]
> So we solve that problem. I will upload damaged PDF document, fixed pdf, and
> the patch too.
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